{ "cases": [ { "_generated_from": "tasks/scenarios/agentloop_ax_id_stable_across_mutation.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "best_effort", "description": "Reads a deterministic AX target, inserts an unrelated sibling, reads the target again, and requires the raw backendDOMNodeId or MCP uid mapping to remain stable.", "driver": { "checks": [ { "kind": "step_ok", "label": "second_ax_identity_read", "step": 5 }, { "expected": "stable|role=button|name=ax-stable-63|", "kind": "saved_contains", "label": "identity_stable", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.getElementById('ax-stable').getAttribute('aria-label') === 'ax-stable-63'", "op": "wait_for_function" }, { "name": "ax-stable-63", "op": "ax_node_identity", "role": "button", "save_as": "before" }, { "expression": "(() => { const target = document.getElementById('ax-stable'); const inserted = document.createElement('span'); inserted.id = 'ax-unrelated-insert'; inserted.textContent = 'unrelated mutation'; target.before(inserted); return 'mutated'; })()", "op": "evaluate" }, { "compare_to": "before", "name": "ax-stable-63", "op": "ax_node_identity", "role": "button", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.ax_node_identity", "fw.chrome_devtools_mcp.op.evaluate", "cdp.accessibility.get_full_ax_tree" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/obs" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.observation", "version.v0_4", "purpose.issue_106", "purpose.diagnostic" ], "task_id": "sc_agentloop_ax_id_stable_across_mutation__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "An unchanged AX target keeps its identity across an unrelated DOM mutation (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/app_add_single_item.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Logs in, adds one item, and answers with the server-computed cart total.", "driver": { "checks": [ { "kind": "step_ok", "label": "item_added", "step": 6 }, { "expected": "total-3", "kind": "saved_equals", "label": "server_total", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#user-in", "value": "eve-7" }, { "op": "click", "selector": "#login-btn" }, { "expression": "document.getElementById('greet').textContent.indexOf('hi-') !== -1", "op": "wait_for_function" }, { "expression": "!!document.getElementById('add-widget-a')", "op": "wait_for_function" }, { "op": "click", "selector": "#add-widget-a" }, { "expression": "!!document.getElementById('cart-widget-a')", "op": "wait_for_function" }, { "expression": "document.getElementById('cart-total').textContent === 'total-3'", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#cart-total" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.runtime.evaluate", "cdp.input.dispatch_mouse_event", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/app" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.multi_step_flow", "version.v0_4" ], "task_id": "sc_app_add_single_item__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Adding one item is reflected in the server-side cart total (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/app_cart_persists_reload.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Logs in, adds an item, reloads the document, and answers with the total restored from server state.", "driver": { "checks": [ { "kind": "step_ok", "label": "restored", "step": 8 }, { "expected": "total-7", "kind": "saved_equals", "label": "total_after_reload", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#user-in", "value": "eve-7" }, { "op": "click", "selector": "#login-btn" }, { "expression": "document.getElementById('greet').textContent.indexOf('hi-') !== -1", "op": "wait_for_function" }, { "expression": "!!document.getElementById('add-widget-c')", "op": "wait_for_function" }, { "op": "click", "selector": "#add-widget-c" }, { "expression": "!!document.getElementById('cart-widget-c')", "op": "wait_for_function" }, { "op": "reload" }, { "expression": "document.getElementById('cart-total').textContent === 'total-7'", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#cart-total" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.reload", "fw.chrome_devtools_mcp.op.text_content", "cdp.runtime.evaluate", "cdp.input.dispatch_mouse_event", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/app" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.multi_step_flow", "version.v0_4" ], "task_id": "sc_app_cart_persists_reload__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "The cart survives a page reload via the session cookie (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/app_cart_total_two_items.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Logs in, adds two items with different prices, and answers with the aggregated total.", "driver": { "checks": [ { "kind": "step_ok", "label": "both_added", "step": 8 }, { "expected": "total-14", "kind": "saved_equals", "label": "aggregate_total", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#user-in", "value": "eve-7" }, { "op": "click", "selector": "#login-btn" }, { "expression": "document.getElementById('greet').textContent.indexOf('hi-') !== -1", "op": "wait_for_function" }, { "expression": "!!document.getElementById('add-widget-a')", "op": "wait_for_function" }, { "op": "click", "selector": "#add-widget-a" }, { "expression": "!!document.getElementById('cart-widget-a')", "op": "wait_for_function" }, { "op": "click", "selector": "#add-gizmo-x" }, { "expression": "!!document.getElementById('cart-gizmo-x')", "op": "wait_for_function" }, { "expression": "document.getElementById('cart-total').textContent === 'total-14'", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#cart-total" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.runtime.evaluate", "cdp.input.dispatch_mouse_event", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/app" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.multi_step_flow", "version.v0_4" ], "task_id": "sc_app_cart_total_two_items__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Two different items sum to the server-computed total (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/app_checkout_receipt.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Logs in, adds one item, checks out, and answers with the order id the server derived from the cart.", "driver": { "checks": [ { "kind": "step_ok", "label": "receipt_shown", "step": 8 }, { "expected": "ord-13-1", "kind": "saved_equals", "label": "order_id", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#user-in", "value": "eve-7" }, { "op": "click", "selector": "#login-btn" }, { "expression": "document.getElementById('greet').textContent.indexOf('hi-') !== -1", "op": "wait_for_function" }, { "expression": "!!document.getElementById('add-gizmo-y')", "op": "wait_for_function" }, { "op": "click", "selector": "#add-gizmo-y" }, { "expression": "!!document.getElementById('cart-gizmo-y')", "op": "wait_for_function" }, { "op": "click", "selector": "#checkout-btn" }, { "expression": "document.getElementById('receipt').textContent.indexOf('ord-') !== -1", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#receipt" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.runtime.evaluate", "cdp.input.dispatch_mouse_event", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/app" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.multi_step_flow", "version.v0_4" ], "task_id": "sc_app_checkout_receipt__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Checkout returns a server-computed order receipt (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/app_filter_narrows.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Logs in, types a filter prefix, and answers with the live match counter.", "driver": { "checks": [ { "kind": "step_ok", "label": "filter_applied", "step": 8 }, { "expected": "wid:3", "kind": "saved_equals", "label": "narrowed", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#user-in", "value": "eve-7" }, { "op": "click", "selector": "#login-btn" }, { "expression": "document.getElementById('greet').textContent.indexOf('hi-') !== -1", "op": "wait_for_function" }, { "expression": "document.querySelectorAll('#items li').length === 5", "op": "wait_for_function" }, { "op": "fill", "selector": "#filter-in", "value": "wid" }, { "expression": "document.getElementById('filter-in').dispatchEvent(new Event('input', {bubbles: true})); 'fired'", "op": "evaluate" }, { "expression": "document.getElementById('filter-count').textContent === 'wid:3'", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#filter-count" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "fw.chrome_devtools_mcp.op.text_content", "cdp.runtime.evaluate", "cdp.input.dispatch_mouse_event", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/app" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.multi_step_flow", "version.v0_4" ], "task_id": "sc_app_filter_narrows__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Typing a filter narrows the item list to matching entries (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/app_filter_then_add.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Logs in, filters to the gizmo group, adds the first match, and answers with its cart line.", "driver": { "checks": [ { "kind": "step_ok", "label": "added_from_filter", "step": 9 }, { "expected": "gizmo-x:1", "kind": "saved_equals", "label": "cart_line", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#user-in", "value": "eve-7" }, { "op": "click", "selector": "#login-btn" }, { "expression": "document.getElementById('greet').textContent.indexOf('hi-') !== -1", "op": "wait_for_function" }, { "expression": "document.querySelectorAll('#items li').length === 5", "op": "wait_for_function" }, { "op": "fill", "selector": "#filter-in", "value": "giz" }, { "expression": "document.getElementById('filter-in').dispatchEvent(new Event('input', {bubbles: true})); 'fired'", "op": "evaluate" }, { "expression": "document.getElementById('filter-count').textContent === 'giz:2'", "op": "wait_for_function" }, { "op": "click", "selector": "#add-gizmo-x" }, { "expression": "!!document.getElementById('cart-gizmo-x')", "op": "wait_for_function" }, { "expression": "document.getElementById('cart-gizmo-x').textContent.trim().replace(/ rm$/, '')", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate", "cdp.input.dispatch_mouse_event", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/app" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.multi_step_flow", "version.v0_4" ], "task_id": "sc_app_filter_then_add__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "An item added from a filtered view lands in the cart (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/app_full_flow_aggregate.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Runs the entire flow and answers with greeting plus receipt, every part server-computed.", "driver": { "checks": [ { "kind": "step_ok", "label": "flow_complete", "step": 10 }, { "expected": "hi-eve-7|ord-14-2", "kind": "saved_equals", "label": "aggregate", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#user-in", "value": "eve-7" }, { "op": "click", "selector": "#login-btn" }, { "expression": "document.getElementById('greet').textContent.indexOf('hi-') !== -1", "op": "wait_for_function" }, { "expression": "!!document.getElementById('add-widget-a')", "op": "wait_for_function" }, { "op": "click", "selector": "#add-widget-a" }, { "expression": "!!document.getElementById('cart-widget-a')", "op": "wait_for_function" }, { "op": "click", "selector": "#add-gizmo-x" }, { "expression": "!!document.getElementById('cart-gizmo-x')", "op": "wait_for_function" }, { "op": "click", "selector": "#checkout-btn" }, { "expression": "document.getElementById('receipt').textContent.indexOf('ord-') !== -1", "op": "wait_for_function" }, { "expression": "document.getElementById('greet').textContent + '|' + document.getElementById('receipt').textContent", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate", "cdp.input.dispatch_mouse_event", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/app" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.multi_step_flow", "version.v0_4" ], "task_id": "sc_app_full_flow_aggregate__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "The full login-add-add-checkout flow aggregates end to end (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/app_locked_without_login.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Clears any leftover session cookie, reloads, and confirms the server refuses the item list.", "driver": { "checks": [ { "kind": "step_ok", "label": "locked_state", "step": 4 }, { "expected": "locked", "kind": "saved_equals", "label": "server_refused", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.cookie = 'abb_app_sid=; Max-Age=0; path=/'; 'cleared'", "op": "evaluate" }, { "op": "reload" }, { "expression": "document.getElementById('filter-count').textContent === 'locked'", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#filter-count" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "fw.chrome_devtools_mcp.op.reload", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.runtime.evaluate", "cdp.input.dispatch_mouse_event", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/app" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.multi_step_flow", "version.v0_4" ], "task_id": "sc_app_locked_without_login__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "The item list is locked without a session (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/app_login_greets.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Fills the user field, logs in, and answers with the greeting the server echoed back.", "driver": { "checks": [ { "kind": "step_ok", "label": "login_done", "step": 4 }, { "expected": "hi-eve-7", "kind": "saved_equals", "label": "greeting", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#user-in", "value": "eve-7" }, { "op": "click", "selector": "#login-btn" }, { "expression": "document.getElementById('greet').textContent.indexOf('hi-') !== -1", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#greet" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.runtime.evaluate", "cdp.input.dispatch_mouse_event", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/app" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.multi_step_flow", "version.v0_4" ], "task_id": "sc_app_login_greets__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Logging in yields a server-echoed greeting (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/app_logout_locks.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Logs in, logs out, and answers with the server farewell plus the relocked list marker.", "driver": { "checks": [ { "kind": "step_ok", "label": "logged_out", "step": 6 }, { "expected": "bye-eve-7:locked", "kind": "saved_equals", "label": "farewell_and_lock", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#user-in", "value": "eve-7" }, { "op": "click", "selector": "#login-btn" }, { "expression": "document.getElementById('greet').textContent.indexOf('hi-') !== -1", "op": "wait_for_function" }, { "op": "click", "selector": "#logout-btn" }, { "expression": "document.getElementById('greet').textContent.indexOf('bye-') !== -1 && document.getElementById('filter-count').textContent === 'locked'", "op": "wait_for_function" }, { "expression": "document.getElementById('greet').textContent + ':' + document.getElementById('filter-count').textContent", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate", "cdp.input.dispatch_mouse_event", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/app" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.multi_step_flow", "version.v0_4" ], "task_id": "sc_app_logout_locks__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Logging out drops the server session and relocks the list (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/app_qty_accumulates.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Logs in, adds one item twice, and answers with the cart line plus total.", "driver": { "checks": [ { "kind": "step_ok", "label": "second_add", "step": 8 }, { "expected": "widget-b:2:total-10", "kind": "saved_equals", "label": "qty_and_total", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#user-in", "value": "eve-7" }, { "op": "click", "selector": "#login-btn" }, { "expression": "document.getElementById('greet').textContent.indexOf('hi-') !== -1", "op": "wait_for_function" }, { "expression": "!!document.getElementById('add-widget-b')", "op": "wait_for_function" }, { "op": "click", "selector": "#add-widget-b" }, { "expression": "!!document.getElementById('cart-widget-b')", "op": "wait_for_function" }, { "op": "click", "selector": "#add-widget-b" }, { "expression": "document.getElementById('cart-total').textContent === 'total-10'", "op": "wait_for_function" }, { "expression": "document.getElementById('cart-widget-b').textContent.trim().replace(/ rm$/, '') + ':' + document.getElementById('cart-total').textContent", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate", "cdp.input.dispatch_mouse_event", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/app" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.multi_step_flow", "version.v0_4" ], "task_id": "sc_app_qty_accumulates__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Adding the same item twice accumulates quantity server-side (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/app_remove_item.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Logs in, adds two items, removes one, and answers with the corrected total.", "driver": { "checks": [ { "kind": "step_ok", "label": "line_removed", "step": 11 }, { "expected": "total-7", "kind": "saved_equals", "label": "corrected_total", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#user-in", "value": "eve-7" }, { "op": "click", "selector": "#login-btn" }, { "expression": "document.getElementById('greet').textContent.indexOf('hi-') !== -1", "op": "wait_for_function" }, { "expression": "!!document.getElementById('add-widget-a')", "op": "wait_for_function" }, { "op": "click", "selector": "#add-widget-a" }, { "expression": "!!document.getElementById('cart-widget-a')", "op": "wait_for_function" }, { "op": "click", "selector": "#add-widget-c" }, { "expression": "!!document.getElementById('cart-widget-c')", "op": "wait_for_function" }, { "op": "click", "selector": "#rm-widget-a" }, { "expression": "document.getElementById('cart-total').textContent === 'total-7'", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#cart-total" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.runtime.evaluate", "cdp.input.dispatch_mouse_event", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/app" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.multi_step_flow", "version.v0_4" ], "task_id": "sc_app_remove_item__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Removing a cart line updates the server-side total (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/cs_eval_context_persists.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Sets a window global in one evaluate call and derives a value from it in a second call. A driver that evaluates each expression in a throwaway context (or a fresh isolated world) fails here.", "driver": { "checks": [ { "kind": "step_ok", "label": "second_eval_ok", "step": 3 }, { "expected": "42", "kind": "saved_equals", "label": "context_persisted", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "window.__abb_x = 41, 'set'", "op": "evaluate" }, { "expression": "String(window.__abb_x + 1)", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.connect_session", "version.v0_4" ], "task_id": "sc_cs_eval_context_persists__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "The JS world persists between separate driver evaluate calls (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/cs_fresh_page_no_stale_globals.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Sets a window global on the first page, then creates a new page on the same URL and confirms the global is absent. Exercises that new targets get fresh execution contexts rather than reusing the old page's world.", "driver": { "checks": [ { "kind": "step_ok", "label": "recreate_ok", "step": 3 }, { "expected": "fresh", "kind": "saved_equals", "label": "world_is_fresh", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "window.__abb_marker = 41, 'marked'", "op": "evaluate" }, { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "typeof window.__abb_marker === 'undefined' ? 'fresh' : 'stale'", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "cdp.target.create_target", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.connect_session", "version.v0_4" ], "task_id": "sc_cs_fresh_page_no_stale_globals__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "A newly created page starts with a fresh JS world (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/cs_ready_state_complete.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Navigates and immediately asks the page for its readyState through the driver's evaluate surface. A driver that returns from goto before the document settles fails here.", "driver": { "checks": [ { "kind": "step_ok", "label": "goto_ok", "step": 1 }, { "expected": "complete", "kind": "saved_equals", "label": "ready_complete", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.readyState", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "cdp.page.navigate", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.connect_session", "version.v0_4" ], "task_id": "sc_cs_ready_state_complete__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "A settled navigation reports document.readyState complete (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/cs_second_page_independent_nav.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Navigates the first page to the core fixture, creates a second page, navigates it to /page2 and reads its heading. The first page's location must not constrain the second target's navigation.", "driver": { "checks": [ { "kind": "step_ok", "label": "second_nav_ok", "step": 3 }, { "expected": "Page Two", "kind": "saved_equals", "label": "second_page_heading", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "new_page" }, { "op": "goto", "url": "{fixture_base_url}/page2" }, { "op": "text_content", "save_as": "answer", "selector": "#title" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.text_content", "cdp.target.create_target", "cdp.page.navigate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.connect_session", "version.v0_4" ], "task_id": "sc_cs_second_page_independent_nav__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "A second page navigates independently of the first (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/cs_session_survives_three_pages.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Creates three pages in sequence, navigating each, and reads the heading from the last one. Exercises session/bookkeeping stability across repeated target creation within one attempt.", "driver": { "checks": [ { "kind": "step_ok", "label": "third_page_nav_ok", "step": 5 }, { "expected": "CDP Core Fixture", "kind": "saved_equals", "label": "third_page_heading", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "new_page" }, { "op": "goto", "url": "{fixture_base_url}/page2" }, { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "text_content", "save_as": "answer", "selector": "#title" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.text_content", "cdp.target.create_target" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.connect_session", "version.v0_4" ], "task_id": "sc_cs_session_survives_three_pages__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "The driver session stays healthy across three page creations (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/cs_two_pages_isolated.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Fills an input on the first page, then creates a second page on the same fixture and confirms its input is untouched. Exercises multi-target isolation within one driver session.", "driver": { "checks": [ { "kind": "step_ok", "label": "second_page_created", "step": 3 }, { "expected": "isolated", "kind": "saved_equals", "label": "no_state_leak", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#field", "value": "leak-probe" }, { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.getElementById('field').value === '' ? 'isolated' : 'leaked:' + document.getElementById('field').value", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.evaluate", "cdp.target.create_target", "cdp.target.attach_to_target" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.connect_session", "version.v0_4" ], "task_id": "sc_cs_two_pages_isolated__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "State set in one page must not leak into a second page (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/cs_ua_surface.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Reads the user agent through the driver's own identity surface and through page JavaScript. Exercises the session's identity plumbing end to end; every engine spoofs a Mozilla-family UA, so the page-observed value must contain 'Mozilla/'.", "driver": { "checks": [ { "kind": "step_ok", "label": "driver_ua_readable", "step": 2 }, { "expected": "Mozilla/", "kind": "saved_contains", "label": "page_ua_mozilla", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "user_agent", "save_as": "driver_ua" }, { "expression": "navigator.userAgent", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.user_agent", "fw.chrome_devtools_mcp.op.evaluate", "cdp.browser.get_version" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.connect_session", "version.v0_4" ], "task_id": "sc_cs_ua_surface__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Read the browser identity through the driver and the page (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/cs_url_surface.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Navigates to the core fixture and reads the current URL through the driver's own url surface (not page JS). The reported location must contain the fixture path.", "driver": { "checks": [ { "kind": "step_ok", "label": "url_readable", "step": 2 }, { "expected": "/l1/core", "kind": "saved_contains", "label": "url_has_fixture_path", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "url", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.url", "cdp.page.navigate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.connect_session", "version.v0_4" ], "task_id": "sc_cs_url_surface__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "The driver's URL surface reflects the navigated location (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/dyn_counter_clicks.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Clicks #counter-btn three times on the probe controls page; each click increments the #press-count output via a JS handler. Reads the final tally. Exercises repeated pointer dispatch and observation of client-side state accumulation.", "driver": { "checks": [ { "kind": "step_ok", "label": "third_click_ok", "step": 4 }, { "expected": "3", "kind": "saved_equals", "label": "count_is_three", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "click", "selector": "#counter-btn" }, { "op": "click", "selector": "#counter-btn" }, { "op": "click", "selector": "#counter-btn" }, { "op": "text_content", "save_as": "answer", "selector": "#press-count" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.text_content", "cdp.input.dispatch_mouse_event" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_3/probe/controls" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.waiting_dynamic", "version.v0_4" ], "task_id": "sc_dyn_counter_clicks__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Click a counter button repeatedly and read the tally (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/dyn_paging_final.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "On the paging fixture each #next click advances a counter and fetches that page's datum over XHR. The final datum P3-FINAL-73 exists only on page 3, reachable after two clicks, so it can only be read by waiting for each async update. Exercises polling/event-driven waiting across real network round-trips.", "driver": { "checks": [ { "kind": "step_ok", "label": "final_datum_settled", "step": 5 }, { "expected": "P3-FINAL-73", "kind": "saved_contains", "label": "status_has_final", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "click", "selector": "#next" }, { "expression": "document.getElementById('status').textContent.indexOf('page:2:')===0", "op": "wait_for_function" }, { "op": "click", "selector": "#next" }, { "expression": "document.getElementById('status').textContent.indexOf('P3-FINAL-73')>=0", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#status" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v2/actl2/paging" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.waiting_dynamic", "version.v0_4" ], "task_id": "sc_dyn_paging_final__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Advance paging via XHR clicks and read the final datum (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/form_checkbox_check.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Checks the #checkbox input and reads its live .checked property via evaluate. Exercises the check contract: the driver must toggle the control to a checked state observable on the DOM property, not merely dispatch a click.", "driver": { "checks": [ { "kind": "step_ok", "label": "check_ok", "step": 2 }, { "kind": "saved_truthy", "label": "checkbox_is_checked", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "check", "selector": "#checkbox" }, { "expression": "document.getElementById('checkbox').checked", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.check", "fw.chrome_devtools_mcp.op.evaluate", "cdp.input.dispatch_mouse_event" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.forms", "version.v0_4" ], "task_id": "sc_form_checkbox_check__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Check a checkbox and observe the checked property (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/form_checkbox_event.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Checks the #agree checkbox on the probe controls page; the change handler writes 'checked' into #agree-out. Reads it back. Unlike a bare .checked read, this asserts the driver's check dispatches a real change event the page can react to.", "driver": { "checks": [ { "kind": "step_ok", "label": "check_ok", "step": 2 }, { "expected": "checked", "kind": "saved_equals", "label": "agree_checked", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "check", "selector": "#agree" }, { "op": "text_content", "save_as": "answer", "selector": "#agree-out" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.check", "fw.chrome_devtools_mcp.op.text_content", "cdp.input.dispatch_mouse_event" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_3/probe/controls" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.forms", "version.v0_4" ], "task_id": "sc_form_checkbox_event__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Check a checkbox and observe its change handler output (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/form_fill_overwrites.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Fills the same input twice; fill semantics require clear-then-set, so only the second value must remain.", "driver": { "checks": [ { "kind": "step_ok", "label": "second_fill_ok", "step": 3 }, { "expected": "second-77", "kind": "saved_equals", "label": "second_value_only", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#overwrite", "value": "first-11" }, { "op": "fill", "selector": "#overwrite", "value": "second-77" }, { "op": "input_value", "save_as": "answer", "selector": "#overwrite" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.input_value", "cdp.input.insert_text" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/forms" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.forms", "version.v0_4" ], "task_id": "sc_form_fill_overwrites__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "A second fill replaces the first value (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/form_fill_readback.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Fills the #field text input with a distinctive value and reads it back via input_value. Exercises the fill contract end to end: the driver must set the input's live value and observe it, proving keyboard/value semantics rather than just a DOM attribute.", "driver": { "checks": [ { "kind": "step_ok", "label": "fill_ok", "step": 2 }, { "expected": "bench-fill-7q", "kind": "saved_equals", "label": "value_roundtrips", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#field", "value": "bench-fill-7q" }, { "op": "input_value", "save_as": "answer", "selector": "#field" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.input_value", "cdp.input.insert_text" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.forms", "version.v0_4" ], "task_id": "sc_form_fill_readback__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Fill a text input and read the value back (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/form_focus_active_element.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Focuses the core text field through each driver's public route or documented Runtime.evaluate fallback, then verifies the page's active element.", "driver": { "checks": [ { "kind": "step_ok", "label": "focus_route_completed", "step": 2 }, { "expected": "field", "kind": "saved_equals", "label": "active_element_changed", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "focus", "selector": "#field" }, { "expression": "document.activeElement && document.activeElement.id", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.focus", "fw.chrome_devtools_mcp.op.evaluate", "cdp.dom.focus", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.forms", "version.v0_4", "purpose.issue_106" ], "task_id": "sc_form_focus_active_element__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "The driver focus route changes document.activeElement (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/form_press_enter_handler.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Presses Enter inside a text field whose keydown handler records the event; exercises real key-event dispatch, not value mutation.", "driver": { "checks": [ { "kind": "step_ok", "label": "press_ok", "step": 2 }, { "expected": "enter-65", "kind": "saved_equals", "label": "keydown_seen", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "key": "Enter", "op": "press", "selector": "#enter-field" }, { "op": "text_content", "save_as": "answer", "selector": "#enter-out" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.press", "fw.chrome_devtools_mcp.op.text_content", "cdp.input.dispatch_key_event" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/forms" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.forms", "version.v0_4" ], "task_id": "sc_form_press_enter_handler__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "press Enter reaches the focused field's key handler (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/form_radio_pick.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Clicks the second radio in a group and derives which one the group reports as checked.", "driver": { "checks": [ { "kind": "step_ok", "label": "click_ok", "step": 2 }, { "expected": "opt-b", "kind": "saved_equals", "label": "b_selected", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "click", "selector": "#opt-b" }, { "expression": "(document.querySelector('input[name=opt]:checked') || {id: 'none'}).id", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.evaluate", "cdp.input.dispatch_mouse_event" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/forms" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.forms", "version.v0_4" ], "task_id": "sc_form_radio_pick__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Clicking one radio selects it and deselects siblings (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/form_select_option.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Selects the Engineering option in the #dept dropdown on the probe controls page; the page's change handler writes 'picked:eng' into #dept-out. Reads it back. Exercises select_option and confirms the driver triggers the change event rather than only setting value.", "driver": { "checks": [ { "kind": "step_ok", "label": "select_ok", "step": 2 }, { "expected": "picked:eng", "kind": "saved_equals", "label": "dept_picked_eng", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "select_option", "selector": "#dept", "value": "eng" }, { "op": "text_content", "save_as": "answer", "selector": "#dept-out" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.select_option", "fw.chrome_devtools_mcp.op.text_content", "cdp.dom.set_attribute_value" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_3/probe/controls" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.forms", "version.v0_4" ], "task_id": "sc_form_select_option__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Select a dropdown option and observe the change event (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/form_submit_roundtrip.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Fills the query input, clicks submit, waits for the reloaded document, and reads the server-echoed query value. Exercises the full fill -> submit -> navigation -> readback chain.", "driver": { "checks": [ { "kind": "step_ok", "label": "submit_ok", "step": 3 }, { "expected": "submitted:probe-624", "kind": "saved_equals", "label": "query_echoed", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#q", "value": "probe-624" }, { "op": "click", "selector": "#q-submit" }, { "expression": "location.search.indexOf('q=') >= 0 && !!document.getElementById('q-echo')", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#q-echo" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.input.insert_text", "cdp.page.navigate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/forms" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.forms", "version.v0_4" ], "task_id": "sc_form_submit_roundtrip__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Submit a GET form and read the echoed query (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/form_textarea_fill.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Fills a textarea and reads its live value through the driver.", "driver": { "checks": [ { "kind": "step_ok", "label": "fill_ok", "step": 2 }, { "expected": "ta-line-9", "kind": "saved_equals", "label": "textarea_roundtrip", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#notes", "value": "ta-line-9" }, { "op": "input_value", "save_as": "answer", "selector": "#notes" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.input_value", "cdp.input.insert_text" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/forms" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.forms", "version.v0_4" ], "task_id": "sc_form_textarea_fill__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Fill a textarea and read it back (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/fr_child_posts_parent.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Both static children post a greeting on load; the parent collects them and answers with the sorted join, proving frame scripts executed and the message channel works.", "driver": { "checks": [ { "kind": "step_ok", "label": "messages_arrived", "step": 2 }, { "expected": "hello-a|hello-b", "kind": "saved_equals", "label": "both_children_posted", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "window.__msgs && window.__msgs.length >= 2", "op": "wait_for_function" }, { "expression": "window.__msgs.slice().sort().join('|')", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "cdp.page.frame_attached", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/frames" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.frames_oopif", "version.v0_4" ], "task_id": "sc_fr_child_posts_parent__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Child frames deliver postMessage to the parent document (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/fr_child_self_navigation.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Sets a marker on the parent, navigates the first child frame to a new URL, and answers with the child's new message plus proof the parent was not reloaded.", "driver": { "checks": [ { "kind": "step_ok", "label": "child_navigated", "step": 3 }, { "expected": "child-nav2-42:top-alive", "kind": "saved_equals", "label": "parent_survived", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "window.__top_alive = 9; frames[0].location.href = '/v0_4/frames/child?tag=nav2'; 'navigating'", "op": "evaluate" }, { "expression": "!!frames[0].document.getElementById('msg') && frames[0].document.getElementById('msg').textContent.indexOf('nav2') !== -1", "op": "wait_for_function" }, { "expression": "frames[0].document.getElementById('msg').textContent + ':' + (window.__top_alive === 9 ? 'top-alive' : 'top-reloaded')", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "fw.chrome_devtools_mcp.op.wait_for_function", "cdp.page.frame_navigated", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/frames" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.frames_oopif", "version.v0_4" ], "task_id": "sc_fr_child_self_navigation__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "A child frame navigates itself while the parent document survives (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/fr_cross_origin_blocked.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Inserts an iframe served from the localhost alias of the fixture origin (different origin string, same server), waits for it to load, and confirms the same-origin policy throws SecurityError on document access.", "driver": { "checks": [ { "kind": "step_ok", "label": "xo_frame_loaded", "step": 3 }, { "expected": "blocked:SecurityError", "kind": "saved_equals", "label": "same_origin_policy_enforced", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "var f = document.createElement('iframe'); f.src = 'http://localhost:' + location.port + '/v0_4/frames/child?tag=xb'; f.id = 'xo'; f.onload = function () { window.__xo_loaded = true; }; document.getElementById('slot').appendChild(f); 'inserted'", "op": "evaluate" }, { "expression": "window.__xo_loaded === true", "op": "wait_for_function" }, { "expression": "(function () { try { var d = frames[2].document; return 'leaked:' + (d ? 'doc' : 'nodoc'); } catch (e) { return 'blocked:' + e.name; } })()", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "fw.chrome_devtools_mcp.op.wait_for_function", "cdp.page.frame_attached", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/frames" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.frames_oopif", "version.v0_4" ], "task_id": "sc_fr_cross_origin_blocked__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Top-document JS cannot reach into a cross-origin iframe (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/fr_dynamic_iframe_attach.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Inserts a third iframe after load and reads its script-computed message once the new frame's document is live.", "driver": { "checks": [ { "kind": "step_ok", "label": "frame_attached", "step": 3 }, { "expected": "child-dyn-42", "kind": "saved_equals", "label": "dynamic_child_text", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "var f = document.createElement('iframe'); f.src = '/v0_4/frames/child?tag=dyn'; document.getElementById('slot').appendChild(f); 'inserted'", "op": "evaluate" }, { "expression": "window.frames.length === 3 && !!frames[2].document.getElementById('msg') && frames[2].document.getElementById('msg').textContent.indexOf('dyn') !== -1", "op": "wait_for_function" }, { "expression": "frames[2].document.getElementById('msg').textContent", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "fw.chrome_devtools_mcp.op.wait_for_function", "cdp.page.frame_attached", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/frames" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.frames_oopif", "version.v0_4" ], "task_id": "sc_fr_dynamic_iframe_attach__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "A dynamically inserted iframe attaches and runs its document (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/fr_frame_tree_shape.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Counts frames before and after inserting a child that itself embeds a grandchild, answering with the observed growth of the reachable same-origin tree.", "driver": { "checks": [ { "kind": "step_ok", "label": "tree_settled", "step": 3 }, { "expected": "2>3>4", "kind": "saved_equals", "label": "tree_shape", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "window.__c0 = window.frames.length; var f = document.createElement('iframe'); f.src = '/v0_4/frames/child?tag=shape&deep=1'; document.getElementById('slot').appendChild(f); 'inserted'", "op": "evaluate" }, { "expression": "window.frames.length === 3 && frames[2].frames.length === 1", "op": "wait_for_function" }, { "expression": "window.__c0 + '>' + window.frames.length + '>' + (window.frames.length + frames[2].frames.length)", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "fw.chrome_devtools_mcp.op.wait_for_function", "cdp.page.get_frame_tree", "cdp.page.frame_attached" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/frames" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.frames_oopif", "version.v0_4" ], "task_id": "sc_fr_frame_tree_shape__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "The live frame tree reflects static plus dynamic children (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/fr_iframe_detach.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Records the initial frame count, removes the first static iframe, waits for the tree to shrink, and answers with the before:after counts.", "driver": { "checks": [ { "kind": "step_ok", "label": "frame_detached", "step": 3 }, { "expected": "2:1", "kind": "saved_equals", "label": "count_shrank", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "window.__before = window.frames.length; document.getElementById('fa').remove(); 'removed'", "op": "evaluate" }, { "expression": "window.frames.length === window.__before - 1", "op": "wait_for_function" }, { "expression": "window.__before + ':' + window.frames.length", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "fw.chrome_devtools_mcp.op.wait_for_function", "cdp.page.frame_detached", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/frames" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.frames_oopif", "version.v0_4" ], "task_id": "sc_fr_iframe_detach__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Removing an iframe detaches its frame from the tree (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/fr_nested_two_levels.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Inserts a child that embeds its own child; 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Exercises attribute-selector support in the driver's element resolution.", "driver": { "checks": [ { "kind": "step_ok", "label": "click_ok", "step": 2 }, { "expected": "attr-hit-go-7", "kind": "saved_equals", "label": "handler_saw_attr", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "click", "selector": "button[data-x=\"go-7\"]" }, { "op": "text_content", "save_as": "answer", "selector": "#attr-out" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.text_content", "cdp.dom.query_selector", "cdp.input.dispatch_mouse_event" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/locator" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.locator", "version.v0_4" ], "task_id": "sc_loc_attribute_selector_click__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Click an element located by attribute selector (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/loc_class_count.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Counts .card elements through the driver's count surface.", "driver": { "checks": [ { "kind": "step_ok", "label": "count_ok", "step": 2 }, { "expected": "4", "kind": "saved_equals", "label": "four_cards", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "count", "save_as": "answer", "selector": ".card" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.count", "cdp.dom.query_selector_all" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/locator" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.locator", "version.v0_4" ], "task_id": "sc_loc_class_count__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Count elements matching a class selector (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/loc_descendant_scope.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Reads #zone .value where an identical .value also exists outside #zone; the scoped match must win.", "driver": { "checks": [ { "kind": "step_ok", "label": "read_ok", "step": 2 }, { "expected": "zone-val-21", "kind": "saved_equals", "label": "scoped_match", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "text_content", "save_as": "answer", "selector": "#zone .value" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.text_content", "cdp.dom.query_selector" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/locator" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.locator", "version.v0_4" ], "task_id": "sc_loc_descendant_scope__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "A descendant selector stays inside its ancestor (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/loc_first_match_semantics.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Clicks .btn where two buttons match; querySelector semantics require the FIRST one, whose handler records its rank.", "driver": { "checks": [ { "kind": "step_ok", "label": "click_ok", "step": 2 }, { "expected": "clicked-first", "kind": "saved_equals", "label": "first_won", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "click", "selector": ".btn" }, { "op": "text_content", "save_as": "answer", "selector": "#btn-out" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.text_content", "cdp.dom.query_selector" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/locator" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.locator", "version.v0_4" ], "task_id": "sc_loc_first_match_semantics__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "A multi-match selector acts on the first match (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/loc_iframe_same_origin_read.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Waits for a srcdoc iframe's document and reads a value computed inside it via contentDocument traversal.", "driver": { "checks": [ { "kind": "step_ok", "label": "frame_read_ok", "step": 3 }, { "expected": "frame-msg-55", "kind": "saved_equals", "label": "frame_content", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "(function(){var f=document.getElementById('child-frame');return !!(f && f.contentDocument && f.contentDocument.getElementById('frame-msg') && f.contentDocument.getElementById('frame-msg').textContent)})()", "op": "wait_for_function" }, { "expression": "document.getElementById('child-frame').contentDocument.getElementById('frame-msg').textContent", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/locator" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.locator", "version.v0_4" ], "task_id": "sc_loc_iframe_same_origin_read__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Read content inside a same-origin iframe (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/loc_iframe_scope_top_document.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Both the top document and the iframe contain #dup. The driver's selector surface must return the TOP document's element.", "driver": { "checks": [ { "kind": "step_ok", "label": "read_ok", "step": 2 }, { "expected": "main-dup", "kind": "saved_equals", "label": "top_document_wins", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "text_content", "save_as": "answer", "selector": "#dup" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.text_content", "cdp.dom.query_selector" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/locator" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.locator", "version.v0_4" ], "task_id": "sc_loc_iframe_scope_top_document__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Selectors resolve in the top document, not the iframe (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/loc_missing_element_fails_cleanly.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Reads a selector that matches nothing; the op must fail cleanly (step_fails) and the attempt derives its answer from that failure.", "driver": { "checks": [ { "kind": "step_fails", "label": "missing_fails", "step": 2 }, { "expected": "clean-miss", "kind": "saved_equals", "label": "clean_miss", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expect_fail": true, "op": "text_content", "save_as": "probe", "selector": "#does-not-exist" }, { "expression": "document.querySelector('#does-not-exist') === null ? 'clean-miss' : 'phantom'", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.text_content", "fw.chrome_devtools_mcp.op.evaluate", "cdp.dom.query_selector" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/locator" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.locator", "version.v0_4" ], "task_id": "sc_loc_missing_element_fails_cleanly__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "A missing selector fails the op, not the harness (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/loc_nth_child_text.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Reads li:nth-child(2) from a three-item list through the driver's text surface.", "driver": { "checks": [ { "kind": "step_ok", "label": "read_ok", "step": 2 }, { "expected": "bravo", "kind": "saved_equals", "label": "second_item", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "text_content", "save_as": "answer", "selector": "#fruits li:nth-child(2)" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.text_content", "cdp.dom.query_selector" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/locator" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.locator", "version.v0_4" ], "task_id": "sc_loc_nth_child_text__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Read the second list item via :nth-child (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/loc_shadow_closed_hidden.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "The page attaches a closed shadow root; element.shadowRoot must be null while the host still renders. Confirms closed-mode encapsulation.", "driver": { "checks": [ { "kind": "step_ok", "label": "probe_ok", "step": 2 }, { "expected": "closed-hidden", "kind": "saved_equals", "label": "closed_encapsulated", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.getElementById('shadow-closed-host').shadowRoot === null ? 'closed-hidden' : 'exposed'", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/locator" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.locator", "version.v0_4" ], "task_id": "sc_loc_shadow_closed_hidden__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "A closed shadow root is not exposed (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/loc_shadow_open_pierce.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "The page attaches an open shadow root at load. Reads the shadow content via explicit shadowRoot traversal - the engine must implement attachShadow and expose shadowRoot.", "driver": { "checks": [ { "kind": "step_ok", "label": "shadow_read_ok", "step": 3 }, { "expected": "shadow-open-42", "kind": "saved_equals", "label": "open_shadow_content", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "!!document.getElementById('shadow-open-host').shadowRoot", "op": "wait_for_function" }, { "expression": "document.getElementById('shadow-open-host').shadowRoot.getElementById('inner').textContent", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/locator" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.locator", "version.v0_4" ], "task_id": "sc_loc_shadow_open_pierce__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Read inside an open shadow root (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/locator_textbox_len.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Fills #textbox with a five-character value on the probe controls page; the input handler writes the live length into #textbox-len. Reads it back. Exercises selector resolution plus input-event-derived DOM observation.", "driver": { "checks": [ { "kind": "step_ok", "label": "fill_ok", "step": 2 }, { "expected": "5", "kind": "saved_equals", "label": "len_is_five", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#textbox", "value": "abcde" }, { "op": "text_content", "save_as": "answer", "selector": "#textbox-len" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.text_content", "cdp.input.insert_text" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_3/probe/controls" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.locator", "version.v0_4" ], "task_id": "sc_locator_textbox_len__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Type into a textbox and read the derived length output (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/multi_tab_collect.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Opens two live targets, reads a distinct heading from each, and aggregates both values in the second tab through same-origin session state.", "driver": { "checks": [ { "kind": "step_ok", "label": "first_value_collected", "step": 2 }, { "kind": "step_ok", "label": "second_target_created", "step": 3 }, { "expected": "CDP Core Fixture|Page Two", "kind": "saved_equals", "label": "two_tab_values_aggregated", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "localStorage.setItem('abb-first-tab-heading', document.getElementById('title').textContent.trim()), localStorage.getItem('abb-first-tab-heading')", "op": "evaluate" }, { "op": "new_page" }, { "op": "goto", "url": "{fixture_base_url}/page2" }, { "expression": "localStorage.getItem('abb-first-tab-heading') + '|' + document.getElementById('title').textContent.trim()", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "cdp.target.create_target", "cdp.target.attach_to_target" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.connect_session", "version.v0_4", "purpose.issue_106" ], "task_id": "sc_multi_tab_collect__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Collect and aggregate values from two tabs in one driver session (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/nav_back_restores.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Navigates core -> page2, then drives the browser's history back through the driver's own surface and confirms the first document's heading is restored.", "driver": { "checks": [ { "kind": "step_ok", "label": "back_ok", "step": 3 }, { "expected": "CDP Core Fixture", "kind": "saved_equals", "label": "first_doc_restored", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "goto", "url": "{fixture_base_url}/page2" }, { "op": "go_back" }, { "expression": "document.getElementById('title') && document.getElementById('title').textContent.indexOf('CDP') === 0", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#title" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.go_back", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.page.get_navigation_history", "cdp.page.navigate_to_history_entry" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.navigation_lifecycle", "version.v0_4" ], "task_id": "sc_nav_back_restores__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "history back returns to the first document (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/nav_cross_page.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Navigates to the core fixture, then to a second page, and reads the second page's #title. Exercises a second full navigation (document swap) and confirms the driver observes the new document rather than the stale first one.", "driver": { "checks": [ { "kind": "step_ok", "label": "second_goto_ok", "step": 2 }, { "expected": "Page Two", "kind": "saved_equals", "label": "heading_is_page_two", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "goto", "url": "{fixture_base_url}/page2" }, { "op": "text_content", "save_as": "answer", "selector": "#title" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.text_content", "cdp.page.navigate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.navigation_lifecycle", "version.v0_4" ], "task_id": "sc_nav_cross_page__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Navigate across two pages and read the second heading (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/nav_forward_after_back.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Navigates core -> page2, goes back, then forward again, and reads the second document's heading.", "driver": { "checks": [ { "kind": "step_ok", "label": "forward_ok", "step": 5 }, { "expected": "Page Two", "kind": "saved_equals", "label": "second_doc_again", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "goto", "url": "{fixture_base_url}/page2" }, { "op": "go_back" }, { "expression": "location.pathname === '/l1/core'", "op": "wait_for_function" }, { "op": "go_forward" }, { "expression": "location.pathname === '/page2'", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#title" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.go_back", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.go_forward", "fw.chrome_devtools_mcp.op.text_content", "cdp.page.navigate_to_history_entry" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.navigation_lifecycle", "version.v0_4" ], "task_id": "sc_nav_forward_after_back__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "history forward re-reaches the second document (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/nav_hash_change.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Sets location.hash in-page and confirms both the hash and that no document reload happened (a marker global survives).", "driver": { "checks": [ { "kind": "step_ok", "label": "hash_settled", "step": 3 }, { "expected": "#sec-2:no-reload", "kind": "saved_equals", "label": "hash_no_reload", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "window.__abb_alive = 7, location.hash = 'sec-2', 'set'", "op": "evaluate" }, { "expression": "location.hash === '#sec-2'", "op": "wait_for_function" }, { "expression": "location.hash + ':' + (window.__abb_alive === 7 ? 'no-reload' : 'reloaded')", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "fw.chrome_devtools_mcp.op.wait_for_function", "cdp.page.navigated_within_document" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.navigation_lifecycle", "version.v0_4" ], "task_id": "sc_nav_hash_change__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "hash navigation changes location without a reload (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/nav_push_state.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Pushes a same-document history entry with a query string and derives the new search plus proof that the document did not reload.", "driver": { "checks": [ { "kind": "step_ok", "label": "derive_ok", "step": 3 }, { "expected": "?spa=1:no-reload", "kind": "saved_equals", "label": "spa_url_no_reload", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "window.__abb_alive = 3, history.pushState({}, '', '/l1/core?spa=1'), 'pushed'", "op": "evaluate" }, { "expression": "location.search + ':' + (window.__abb_alive === 3 ? 'no-reload' : 'reloaded')", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "cdp.page.navigated_within_document" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.navigation_lifecycle", "version.v0_4" ], "task_id": "sc_nav_push_state__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "history.pushState changes the URL without a load (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/nav_push_state_back.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Pushes a same-document entry, then drives history back through the driver and confirms the original URL is restored without a reload.", "driver": { "checks": [ { "kind": "step_ok", "label": "back_ok", "step": 3 }, { "expected": "/l1/core:no-reload", "kind": "saved_equals", "label": "back_in_document", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "window.__abb_alive = 5, history.pushState({}, '', '/l1/core?spa=2'), 'pushed'", "op": "evaluate" }, { "op": "go_back" }, { "expression": "location.search === ''", "op": "wait_for_function" }, { "expression": "(location.pathname + location.search) + ':' + (window.__abb_alive === 5 ? 'no-reload' : 'reloaded')", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "fw.chrome_devtools_mcp.op.go_back", "fw.chrome_devtools_mcp.op.wait_for_function", "cdp.page.navigated_within_document" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.navigation_lifecycle", "version.v0_4" ], "task_id": "sc_nav_push_state_back__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "history back pops a pushState entry in-document (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/nav_redirect_chain.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Navigates to an endpoint that 302-redirects twice before landing on a page carrying a redirect-count marker. The driver must settle on the FINAL document.", "driver": { "checks": [ { "kind": "step_ok", "label": "chain_followed", "step": 2 }, { "expected": "landed-after-redirects", "kind": "saved_equals", "label": "final_doc", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_base_url}/v0_4/redirect/hop?n=2" }, { "expression": "!!document.getElementById('redirect-landed')", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#redirect-landed" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.network.request_will_be_sent" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/redirect/hop?n=2" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.navigation_lifecycle", "version.v0_4" ], "task_id": "sc_nav_redirect_chain__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "goto follows a 302 redirect chain to the final document (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/nav_reload_resets_dom.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Fills an input, reloads the page, and confirms the fresh document no longer carries the typed value. Exercises Page.reload semantics: a real reload must produce a new document, not restore transient DOM state.", "driver": { "checks": [ { "kind": "step_ok", "label": "reload_ok", "step": 3 }, { "expected": "reset-after-reload", "kind": "saved_equals", "label": "dom_state_reset", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "fill", "selector": "#field", "value": "transient-77" }, { "op": "reload" }, { "expression": "document.getElementById('field').value === '' ? 'reset-after-reload' : 'kept:' + document.getElementById('field').value", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.fill", "fw.chrome_devtools_mcp.op.reload", "fw.chrome_devtools_mcp.op.evaluate", "cdp.page.reload" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.navigation_lifecycle", "version.v0_4" ], "task_id": "sc_nav_reload_resets_dom__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Reload discards un-persisted DOM state (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/nav_reload_title.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Navigates to the core fixture, reloads it, and re-reads #title. Exercises the reload lifecycle: the driver must drive a fresh document load and still resolve the selector against the reloaded page.", "driver": { "checks": [ { "kind": "step_ok", "label": "reload_ok", "step": 2 }, { "expected": "CDP Core Fixture", "kind": "saved_equals", "label": "heading_after_reload", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "reload" }, { "op": "text_content", "save_as": "answer", "selector": "#title" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.reload", "fw.chrome_devtools_mcp.op.text_content", "cdp.page.reload" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.navigation_lifecycle", "version.v0_4" ], "task_id": "sc_nav_reload_title__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Reload the page and re-read the heading (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/nav_replace_state_collapses_entry.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Pushes one history entry, replaces it in place, then navigates back once. If replaceState correctly rewrote the pushed entry, a single back lands on the original URL with no query string. A driver or engine that materialises replaceState as an extra entry lands on the intermediate URL instead.", "driver": { "checks": [ { "kind": "step_ok", "label": "back_ok", "step": 3 }, { "expected": "entry-collapsed", "kind": "saved_equals", "label": "single_entry_semantics", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "history.pushState({}, '', '?step=push'); history.replaceState({}, '', '?step=replace'); location.search", "op": "evaluate" }, { "op": "go_back" }, { "expression": "location.search === '' ? 'entry-collapsed' : 'extra-entry:' + location.search", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "fw.chrome_devtools_mcp.op.go_back", "cdp.page.get_navigation_history", "cdp.page.navigate_to_history_entry" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.navigation_lifecycle", "version.v0_4" ], "task_id": "sc_nav_replace_state_collapses_entry__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "history.replaceState rewrites the current entry instead of adding one (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/nav_slow_document.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Navigates to an endpoint that holds the response for 1.2s before serving the document. A driver that gives up early or reads before the body arrives fails.", "driver": { "checks": [ { "kind": "step_ok", "label": "slow_goto_ok", "step": 1 }, { "expected": "slow-99", "kind": "saved_equals", "label": "slow_doc_read", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_base_url}/v0_4/slow?ms=1200" }, { "op": "text_content", "save_as": "answer", "selector": "#slow-title" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.text_content", "cdp.page.navigate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/slow?ms=1200" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.navigation_lifecycle", "version.v0_4" ], "task_id": "sc_nav_slow_document__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "goto waits out a slow-responding document (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/nav_title_read.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Opens a page, navigates to the core fixture, and reads the #title heading text. Exercises the most basic navigation + DOM-read contract that every driver must honor.", "driver": { "checks": [ { "kind": "step_ok", "label": "goto_ok", "step": 1 }, { "expected": "CDP Core Fixture", "kind": "saved_equals", "label": "heading_is_core_fixture", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "text_content", "save_as": "answer", "selector": "#title" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.text_content", "cdp.page.navigate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.navigation_lifecycle", "version.v0_4" ], "task_id": "sc_nav_title_read__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Navigate and read the page heading (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/net_route_passthrough.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Control case for the family: with no interception armed, the page fetch must hit the real endpoint and compute from the server payload.", "driver": { "checks": [ { "kind": "step_ok", "label": "fetch_done", "step": 3 }, { "expected": "server:72", "kind": "saved_equals", "label": "real_payload", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "click", "selector": "#btn-data" }, { "expression": "document.getElementById('net-out').textContent.indexOf('server:') !== -1", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#net-out" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.network.request_will_be_sent", "cdp.network.response_received" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/net" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.network_interception", "version.v0_4" ], "task_id": "sc_net_route_passthrough__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "An unintercepted fetch reaches the real server (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/obs_aria_snapshot_structure.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "best_effort", "description": "Takes an ARIA snapshot of the main region and checks the computed heading appears in the structured output.", "driver": { "checks": [ { "kind": "step_ok", "label": "aria_taken", "step": 3 }, { "expected": "ax-heading-63", "kind": "saved_contains", "label": "structure_present", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.getElementById('ax-heading').textContent.indexOf('ax-heading-') !== -1", "op": "wait_for_function" }, { "op": "aria_snapshot", "save_as": "answer", "selector": "main" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.aria_snapshot", "cdp.accessibility.get_full_ax_tree" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/obs" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.observation", "version.v0_4", "purpose.issue_106", "purpose.issue_106_snapshot", "purpose.diagnostic" ], "task_id": "sc_obs_aria_snapshot_structure__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "The ARIA snapshot exposes role structure with computed content (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/obs_ax_snapshot_heading.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "best_effort", "description": "Takes an AX snapshot and checks the computed heading text is exposed on the tree.", "driver": { "checks": [ { "kind": "step_ok", "label": "snapshot_taken", "step": 3 }, { "expected": "ax-heading-63", "kind": "saved_contains", "label": "heading_present", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.getElementById('ax-heading').textContent.indexOf('ax-heading-') !== -1", "op": "wait_for_function" }, { "op": "ax_snapshot", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.ax_snapshot", "cdp.accessibility.get_full_ax_tree" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/obs" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.observation", "version.v0_4", "purpose.issue_106", "purpose.issue_106_snapshot", "purpose.diagnostic" ], "task_id": "sc_obs_ax_snapshot_heading__mcp", "task_version": 2, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "The accessibility snapshot reflects heading structure (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/obs_ax_snapshot_label.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "best_effort", "description": "Takes an AX snapshot and checks it contains the accessible name that the page computed at load.", "driver": { "checks": [ { "kind": "step_ok", "label": "snapshot_taken", "step": 3 }, { "expected": "ax-name-63", "kind": "saved_contains", "label": "computed_label_present", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.getElementById('ax-btn').getAttribute('aria-label') !== null", "op": "wait_for_function" }, { "op": "ax_snapshot", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.ax_snapshot", "cdp.accessibility.get_full_ax_tree" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/obs" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.observation", "version.v0_4", "purpose.issue_106", "purpose.issue_106_snapshot", "purpose.diagnostic" ], "task_id": "sc_obs_ax_snapshot_label__mcp", "task_version": 2, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "The accessibility snapshot carries a script-computed aria-label (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/obs_box_model_geometry.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "best_effort", "description": "Reads the bounding box of a 120x48 element and answers with its rounded dimensions — the box-model observation surface.", "driver": { "checks": [ { "kind": "step_ok", "label": "geometry_read", "step": 3 }, { "expected": "w120:h48", "kind": "saved_equals", "label": "box_dimensions", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "!!document.getElementById('box')", "op": "wait_for_function" }, { "expression": "(function () { var r = document.getElementById('box').getBoundingClientRect(); return 'w' + Math.round(r.width) + ':h' + Math.round(r.height); })()", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "cdp.dom.get_box_model" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/obs" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.observation", "version.v0_4", "purpose.diagnostic" ], "task_id": "sc_obs_box_model_geometry__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Layout geometry of a fixed-size element is observable (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/obs_title_url_surface.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "best_effort", "description": "Answers with the live document title joined with the pathname — the most basic observation pair every driver must expose.", "driver": { "checks": [ { "kind": "step_ok", "label": "surface_read", "step": 3 }, { "expected": "Observation Fixture|/v0_4/obs", "kind": "saved_equals", "label": "title_url_pair", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.title.length > 0", "op": "wait_for_function" }, { "expression": "document.title + '|' + location.pathname", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate", "cdp.page.navigate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/obs" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.observation", "version.v0_4", "purpose.diagnostic" ], "task_id": "sc_obs_title_url_surface__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Document title and URL observation surfaces agree with the page (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/obs_visibility_matrix.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "best_effort", "description": "Computes a visibility matrix over a visible and a hidden element from live layout state.", "driver": { "checks": [ { "kind": "step_ok", "label": "matrix_read", "step": 3 }, { "expected": "vis:1|hid:0", "kind": "saved_equals", "label": "visibility_split", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "!!document.getElementById('visible-one') && !!document.getElementById('hidden-one')", "op": "wait_for_function" }, { "expression": "(function () { var v = document.getElementById('visible-one').getClientRects().length > 0; var h = document.getElementById('hidden-one').getClientRects().length > 0; return 'vis:' + (v ? 1 : 0) + '|hid:' + (h ? 1 : 0); })()", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "cdp.dom.get_box_model", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/obs" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.observation", "version.v0_4", "purpose.diagnostic" ], "task_id": "sc_obs_visibility_matrix__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Visible and display:none elements are distinguishable (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/st_cookie_document_roundtrip.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Sets a cookie via document.cookie and parses it back out of the cookie string.", "driver": { "checks": [ { "kind": "step_ok", "label": "cookie_read_ok", "step": 3 }, { "expected": "c-71", "kind": "saved_equals", "label": "cookie_roundtrips", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.cookie = 'abbk=c-' + (71 + 0), 'set'", "op": "evaluate" }, { "expression": "(document.cookie.match(/abbk=([^;]+)/) || [])[1] || 'missing'", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "cdp.network.get_cookies" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.state", "version.v0_4" ], "task_id": "sc_st_cookie_document_roundtrip__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "document.cookie set/read round-trip (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/st_cookie_survives_reload.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Sets a cookie, reloads, and parses the cookie back. Exercises cookie-jar persistence across navigation.", "driver": { "checks": [ { "kind": "step_ok", "label": "reload_ok", "step": 3 }, { "expected": "c-88", "kind": "saved_equals", "label": "cookie_survives", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.cookie = 'abbr=c-' + (44 * 2), 'set'", "op": "evaluate" }, { "op": "reload" }, { "expression": "(document.cookie.match(/abbr=([^;]+)/) || [])[1] || 'missing'", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "fw.chrome_devtools_mcp.op.reload", "cdp.page.reload" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.state", "version.v0_4" ], "task_id": "sc_st_cookie_survives_reload__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "A cookie survives a reload (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/st_local_roundtrip.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Writes a localStorage key and reads it back through a second evaluate call. The value is computed at write time, never present in the page.", "driver": { "checks": [ { "kind": "step_ok", "label": "get_ok", "step": 3 }, { "expected": "v-37", "kind": "saved_equals", "label": "value_roundtrips", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "localStorage.setItem('abb_k', 'v-' + (37 + 0)), 'set'", "op": "evaluate" }, { "expression": "localStorage.getItem('abb_k') || 'missing'", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.state", "version.v0_4" ], "task_id": "sc_st_local_roundtrip__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "localStorage set/get round-trip in one page (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/st_local_shared_same_origin.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Writes localStorage in the first page, creates a second page on the same origin, and reads the key there. Same-origin pages must observe one storage area.", "driver": { "checks": [ { "kind": "step_ok", "label": "second_page_read_ok", "step": 5 }, { "expected": "shared-63", "kind": "saved_equals", "label": "storage_shared", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "localStorage.setItem('abb_shared', 'shared-' + (21 * 3)), 'set'", "op": "evaluate" }, { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "localStorage.getItem('abb_shared') || 'missing'", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "cdp.target.create_target" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.state", "version.v0_4" ], "task_id": "sc_st_local_shared_same_origin__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "localStorage is shared across pages of one origin (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/st_local_survives_reload.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Writes a localStorage key, reloads the page, and reads the key back. Exercises storage persistence across the driver's reload path.", "driver": { "checks": [ { "kind": "step_ok", "label": "reload_ok", "step": 3 }, { "expected": "keep-52", "kind": "saved_equals", "label": "survives", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "localStorage.setItem('abb_keep', 'keep-' + (13 * 4)), 'set'", "op": "evaluate" }, { "op": "reload" }, { "expression": "localStorage.getItem('abb_keep') || 'missing'", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "fw.chrome_devtools_mcp.op.reload", "cdp.page.reload" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.state", "version.v0_4" ], "task_id": "sc_st_local_survives_reload__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "localStorage survives a reload (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/st_session_isolated_new_page.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Writes sessionStorage in the first page, creates a fresh page on the same origin, and confirms the key is absent there - sessionStorage is per top-level browsing context.", "driver": { "checks": [ { "kind": "step_ok", "label": "second_page_ok", "step": 5 }, { "expected": "isolated", "kind": "saved_equals", "label": "session_isolated", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "sessionStorage.setItem('abb_iso', 'leak-' + 9), 'set'", "op": "evaluate" }, { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "sessionStorage.getItem('abb_iso') === null ? 'isolated' : 'leaked'", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "cdp.target.create_target" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.state", "version.v0_4" ], "task_id": "sc_st_session_isolated_new_page__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "sessionStorage does not leak into a new page (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/st_session_storage_roundtrip.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Writes and reads a sessionStorage key within one page session.", "driver": { "checks": [ { "kind": "step_ok", "label": "get_ok", "step": 3 }, { "expected": "s-44", "kind": "saved_equals", "label": "value_roundtrips", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "sessionStorage.setItem('abb_s', 's-' + (11 * 4)), 'set'", "op": "evaluate" }, { "expression": "sessionStorage.getItem('abb_s') || 'missing'", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.state", "version.v0_4" ], "task_id": "sc_st_session_storage_roundtrip__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "sessionStorage set/get round-trip (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/st_storage_remove.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Writes two keys, removes one, and derives which keys remain.", "driver": { "checks": [ { "kind": "step_ok", "label": "derive_ok", "step": 3 }, { "expected": "left:gone+only-b", "kind": "saved_equals", "label": "exactly_one_removed", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "localStorage.setItem('abb_a', 'only-a'), localStorage.setItem('abb_b', 'only-b'), localStorage.removeItem('abb_a'), 'done'", "op": "evaluate" }, { "expression": "'left:' + (localStorage.getItem('abb_a') || 'gone') + '+' + (localStorage.getItem('abb_b') || 'gone')", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/l1/core" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.state", "version.v0_4" ], "task_id": "sc_st_storage_remove__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "localStorage removeItem removes exactly one key (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/wait_attribute_set.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "An attribute is set 300ms after load. Waits for it via predicate, then reads it through the driver's attribute surface (not page JS).", "driver": { "checks": [ { "kind": "step_ok", "label": "attr_read_ok", "step": 3 }, { "expected": "ok-58", "kind": "saved_equals", "label": "attr_value", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.getElementById('attr-target').getAttribute('data-ready') !== null", "op": "wait_for_function" }, { "name": "data-ready", "op": "get_attribute", "save_as": "answer", "selector": "#attr-target" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.get_attribute", "cdp.dom.get_attributes" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/waiting" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.waiting_dynamic", "version.v0_4" ], "task_id": "sc_wait_attribute_set__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Wait for a late attribute and read it through the driver (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/wait_element_hidden.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "An element visible at load is display:none'd after 300ms. Waits for the hidden state via a predicate and reports it; a driver that only waits for presence passes too early.", "driver": { "checks": [ { "kind": "step_ok", "label": "went_hidden", "step": 2 }, { "expected": "hidden-ok", "kind": "saved_equals", "label": "hidden_confirmed", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "window.getComputedStyle(document.getElementById('vanish')).display === 'none'", "op": "wait_for_function" }, { "expression": "window.getComputedStyle(document.getElementById('vanish')).display === 'none' ? 'hidden-ok' : 'still-visible'", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/waiting" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.waiting_dynamic", "version.v0_4" ], "task_id": "sc_wait_element_hidden__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Wait for a present element to become hidden (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/wait_enabled_then_click.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "A button starts disabled and is enabled 350ms after load; its click handler is attached at enable time. Waits for enablement, clicks, and reads the handler's output.", "driver": { "checks": [ { "kind": "step_ok", "label": "click_ok", "step": 3 }, { "expected": "clicked-late-33", "kind": "saved_equals", "label": "handler_fired", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "!document.getElementById('late-btn').disabled", "op": "wait_for_function" }, { "op": "click", "selector": "#late-btn" }, { "op": "text_content", "save_as": "answer", "selector": "#late-btn-out" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.click", "fw.chrome_devtools_mcp.op.text_content", "cdp.input.dispatch_mouse_event" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/waiting" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.waiting_dynamic", "version.v0_4" ], "task_id": "sc_wait_enabled_then_click__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Wait for a disabled control to enable, then click it (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/wait_late_item.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Navigates to the probe controls page and waits for #late-item, which the page appends via setTimeout ~300ms after load, then reads its text. Exercises event-driven waiting for a DOM node that does not exist at load time.", "driver": { "checks": [ { "kind": "step_ok", "label": "late_item_appeared", "step": 2 }, { "expected": "late-28", "kind": "saved_equals", "label": "late_text", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "wait_for_selector", "selector": "#late-item" }, { "op": "text_content", "save_as": "answer", "selector": "#late-item" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_selector", "fw.chrome_devtools_mcp.op.text_content", "cdp.dom.query_selector" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_3/probe/controls" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.waiting_dynamic", "version.v0_4" ], "task_id": "sc_wait_late_item__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Wait for a late-inserted list item (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/wait_list_progressive_fill.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Three list items are appended at 150/300/450ms. Waits until all three exist and derives the joined item text.", "driver": { "checks": [ { "kind": "step_ok", "label": "list_complete", "step": 2 }, { "expected": "item-a,item-b,item-c", "kind": "saved_equals", "label": "items_joined", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.querySelectorAll('#list li').length === 3", "op": "wait_for_function" }, { "expression": "Array.from(document.querySelectorAll('#list li')).map(function(li){return li.textContent}).join(',')", "op": "evaluate", "save_as": "answer" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.evaluate", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/waiting" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.waiting_dynamic", "version.v0_4" ], "task_id": "sc_wait_list_progressive_fill__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Wait for a progressively filled list to complete (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/wait_slow_badge.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "Waits for a span inserted 400ms after load and reads its computed text. A driver that only samples the initial DOM misses it.", "driver": { "checks": [ { "kind": "step_ok", "label": "badge_appeared", "step": 2 }, { "expected": "badge-91", "kind": "saved_equals", "label": "badge_text", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "op": "wait_for_selector", "selector": "#slow-badge" }, { "op": "text_content", "save_as": "answer", "selector": "#slow-badge" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_selector", "fw.chrome_devtools_mcp.op.text_content", "cdp.dom.query_selector" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/waiting" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.waiting_dynamic", "version.v0_4" ], "task_id": "sc_wait_slow_badge__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Wait for a 400ms-late element and read it (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/wait_spinner_replaced.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "A container holds a spinner that is replaced with content 500ms after load. Waits for the spinner to disappear and reads the replacement.", "driver": { "checks": [ { "kind": "step_ok", "label": "spinner_gone", "step": 2 }, { "expected": "content-77", "kind": "saved_equals", "label": "content_text", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "!document.querySelector('#replace .spinner')", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#replace" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/waiting" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.waiting_dynamic", "version.v0_4" ], "task_id": "sc_wait_spinner_replaced__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Wait for spinner content to be replaced (chrome_devtools_mcp)" }, { "_generated_from": "tasks/scenarios/wait_two_phase_settle.scenario.json", "artifact_profile": "l1_standard", "chrome_gate": "required", "description": "The status text changes twice (warming -> phase:1 -> phase:2:W7). Waits for the FINAL state; a driver that returns on the first mutation reads the intermediate value.", "driver": { "checks": [ { "kind": "step_ok", "label": "settled", "step": 2 }, { "expected": "phase:2:W7", "kind": "saved_equals", "label": "final_phase", "name": "answer" } ], "kind": "mcp_chrome_devtools", "steps": [ { "op": "new_page" }, { "op": "goto", "url": "{fixture_url}" }, { "expression": "document.getElementById('two-phase').textContent.indexOf('phase:2') === 0", "op": "wait_for_function" }, { "op": "text_content", "save_as": "answer", "selector": "#two-phase" } ] }, "features": [ "fw.chrome_devtools_mcp.op.new_page", "fw.chrome_devtools_mcp.op.goto", "fw.chrome_devtools_mcp.op.wait_for_function", "fw.chrome_devtools_mcp.op.text_content", "cdp.runtime.evaluate" ], "grader": { "checks": [ "answer_matches_expected" ], "endpoint": "/__grade__/expected_answer", "kind": "server_side" }, "layer": "L1", "scene": { "kind": "self_hosted_fixture", "url": "/v0_4/waiting" }, "subset_id": "l1.chrome_devtools_mcp", "tags": [ "family.waiting_dynamic", "version.v0_4" ], "task_id": "sc_wait_two_phase_settle__mcp", "task_version": 1, "timeouts": { "hard_kill_ms": 45000, "task_ms": 30000 }, "title": "Wait through an intermediate state to the settled one (chrome_devtools_mcp)" } ] }