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{
"id": "vocab-verbs",
"category": "Action vocabulary",
"title": "The six verbs, and only six",
"shows": [
"ACTION_KINDS",
"ACTION_MENU",
"Action",
"Action.describe",
"Action.to_dict",
"parse_action"
],
"note": "Every action is validated on construction, before anything touches the machine.",
"kind": "terminal"
},
{
"id": "vocab-refusals",
"category": "Action vocabulary",
"title": "Malformed actions are refused, not guessed at",
"shows": [
"ActionError",
"Action",
"parse_action"
],
"note": "An unknown verb or a missing target raises before the machine is touched.",
"kind": "terminal"
},
{
"id": "vocab-menu",
"category": "Action vocabulary",
"title": "The contract handed to a model",
"shows": [
"ACTION_MENU"
],
"note": "The prompt-side menu: one JSON object, six shapes, no invented verbs.",
"kind": "terminal"
},
{
"id": "menu-numbered",
"category": "Decisions",
"title": "A short numbered menu, in reading order",
"shows": [
"DecisionMenu",
"DecisionMenu.render",
"MenuItem",
"MenuItem.label"
],
"note": "A 256M model cannot emit coordinates; it can pick a number from twelve.",
"kind": "terminal"
},
{
"id": "menu-lookup",
"category": "Decisions",
"title": "Menu lookup tolerates what models actually send",
"shows": [
"DecisionMenu.item",
"DecisionMenu.find",
"DecisionMenu.mentioned_in"
],
"note": "1, \"2\", 2.0 and \"Save.\" all resolve; a stray word resolves to nothing.",
"kind": "terminal"
},
{
"id": "decision-json",
"category": "Decisions",
"title": "Reading a decision out of a small model's reply",
"shows": [
"parse_decision",
"extract_json_object",
"extract_json_objects",
"DecisionMenu"
],
"note": "The LAST JSON object wins, because a model that echoes its prompt answers last.",
"kind": "terminal"
},
{
"id": "decision-echo-guard",
"category": "Decisions",
"title": "An echoed prompt is refused; a right answer in the wrong field is recovered",
"shows": [
"parse_decision",
"BrainError",
"DecisionMenu.mentioned_in"
],
"note": "Real 256M/0.5B failure modes, both caught: no blind click either way.",
"kind": "terminal"
},
{
"id": "decision-garbled",
"category": "Decisions",
"title": "A garbled verb with a valid label is still usable",
"shows": [
"parse_decision",
"BrainError"
],
"note": "A 256M model really does emit {\"kind\": \"file\", \"label\": \"Save\"}.",
"kind": "terminal"
},
{
"id": "exec-dry-run",
"category": "Execution",
"title": "Dry run resolves every click to pixels - and touches nothing",
"shows": [
"DryRunExecutor",
"DryRunExecutor.execute",
"resolve_point",
"ActionResult"
],
"note": "The default everywhere: read a whole episode before anything clicks.",
"kind": "terminal"
},
{
"id": "exec-refuses-unresolved",
"category": "Execution",
"title": "Real input refuses to guess a pixel for a label it cannot find",
"shows": [
"ActionResult.summary",
"InputUnavailable",
"PyAutoGuiExecutor",
"PyAutoGuiExecutor.execute"
],
"note": "This is the gate between a hallucinated label and 'Delete account'.",
"kind": "terminal"
},
{
"id": "loop-end-to-end",
"category": "The loop",
"title": "observe -> think -> act -> verify, traced end to end",
"shows": [
"AgentLoop",
"AgentLoop.run",
"Episode",
"Episode.render",
"Episode.to_rows",
"Step",
"Step.line",
"Step.ok"
],
"note": "One call runs a whole episode; every step is kept for audit.",
"kind": "terminal"
},
{
"id": "loop-budget",
"category": "The loop",
"title": "A hard step budget, so a run cannot wander",
"shows": [
"Policy",
"Policy.step_budget",
"AgentLoop.run"
],
"note": "The budget ends the episode and says so; nothing executes past it.",
"kind": "terminal"
},
{
"id": "loop-no-progress-guard",
"category": "The loop",
"title": "Repeating one action against an unchanged screen is stopped",
"shows": [
"AgentLoop.run",
"Step",
"Step.error"
],
"note": "A stuck agent is not a persistent one - it is stopped and told why.",
"kind": "terminal"
},
{
"id": "loop-kill-switch",
"category": "The loop",
"title": "A kill-switch file aborts before the next action",
"shows": [
"Policy.kill_switch_path",
"Policy.should_stop",
"AgentLoop.run"
],
"note": "Checked before every single action: create the file, the run stops.",
"kind": "terminal"
},
{
"id": "loop-survives-failures",
"category": "The loop",
"title": "A dead screen or a broken brain is an episode, not a traceback",
"shows": [
"AgentLoop.run",
"Episode.stop_reason",
"GoalUnreachable",
"BrainError"
],
"note": "Every failure path is recorded as a failed step with a reason.",
"kind": "terminal"
},
{
"id": "loop-verifier",
"category": "The loop",
"title": "Success is evidence, not the model's word",
"shows": [
"AgentLoop.run",
"Episode.success",
"Observation.text"
],
"note": "Without a verifier, a successful action that removes its own target looks like a failure.",
"kind": "terminal"
},
{
"id": "loop-on-step",
"category": "The loop",
"title": "Every step can be streamed out as it happens",
"shows": [
"AgentLoop.run",
"Step.line",
"on_step"
],
"note": "This is the hook a live console, a progress bar or a websocket uses.",
"kind": "terminal"
},
{
"id": "safety-deny-text",
"category": "Safety",
"title": "Typing from the deny list never reaches the keyboard",
"shows": [
"Policy",
"Policy.check",
"PolicyViolation",
"DEFAULT_DENY_TEXT"
],
"note": "Checked before execution; a refusal ends the episode and clicks nothing.",
"kind": "terminal"
},
{
"id": "safety-deny-label",
"category": "Safety",
"title": "Clicking a denied widget is refused, however the label is spelled",
"shows": [
"Policy.deny_labels",
"Policy.check",
"Observation.find"
],
"note": "Terminal, keychain, wallet, password manager, bank - matched on the label.",
"kind": "terminal"
},
{
"id": "safety-deny-keys",
"category": "Safety",
"title": "Key chords on the deny list are never pressed",
"shows": [
"Policy.deny_keys",
"Policy.check",
"PolicyViolation"
],
"note": "ctrl+alt+t, ctrl+alt+delete and ctrl+shift+escape are refused by default.",
"kind": "terminal"
},
{
"id": "safety-blind-grid",
"category": "Safety",
"title": "A numbered grid cell is a blind click: allowed to plan, refused for real",
"shows": [
"Policy.allow_grid_clicks",
"Policy.check",
"GridDetector"
],
"note": "With real input the blind guess is refused unless you pass --allow-grid.",
"kind": "terminal"
},
{
"id": "screen-fake",
"category": "Screens",
"title": "A scripted screen, for testing the loop with no display",
"shows": [
"FakeScreen",
"FakeScreen.capture",
"Observation"
],
"note": "The final frame repeats forever, so a runaway agent cannot exhaust the script.",
"kind": "terminal"
},
{
"id": "screen-image",
"category": "Screens",
"title": "A still image (or a sequence) replayed as a screen",
"shows": [
"ImageScreen",
"ImageScreen.capture",
"fake_desktop"
],
"note": "Lets the whole pipeline be exercised with no display, and a failure be replayed.",
"kind": "terminal"
},
{
"id": "capture-options",
"category": "Screens",
"title": "Real capture: monitors, downscaling, and HiDPI mapping",
"shows": [
"GrabScreen",
"GrabScreen.capture",
"GrabScreen.map_to_screen",
"ScreenUnavailable"
],
"note": "Frame pixel -> screen pixel is preserved, so a click cannot drift.",
"kind": "terminal"
},
{
"id": "element-matching",
"category": "Screens",
"title": "Labels are compared on their alphanumeric core",
"shows": [
"Element",
"Element.center",
"Element.matches",
"Observation.find",
"normalise_label"
],
"note": "OCR loses spaces, models add punctuation - so nothing matches by exact string.",
"kind": "terminal"
},
{
"id": "observation-summary",
"category": "Screens",
"title": "The compact text a model is shown",
"shows": [
"Observation.summary"
],
"note": "This is the whole world as the brain sees it - capped, and honest when empty.",
"kind": "terminal"
},
{
"id": "detector-available",
"category": "Perception",
"title": "Probing for a detector, and building one by name",
"shows": [
"detector_available",
"make_detector",
"DetectorUnavailable",
"Detector"
],
"note": "The doctor and the CLI both ask this before promising anything.",
"kind": "terminal"
},
{
"id": "ocr-labels",
"category": "Perception",
"title": "OCR turns a screenshot into labelled, clickable elements",
"shows": [
"OcrDetector",
"OcrDetector.detect",
"Element"
],
"note": "The model never has to guess where anything is: this is the grounding.",
"kind": "terminal"
},
{
"id": "ocr-filters",
"category": "Perception",
"title": "Three knobs keep dialog prose out of the menu",
"shows": [
"OcrDetector.min_score",
"OcrDetector.max_label_chars",
"OcrDetector.min_label_chars"
],
"note": "Every extra line of noise is one more chance for a small model to click prose.",
"kind": "terminal"
},
{
"id": "grid-detector",
"category": "Perception",
"title": "A numbered grid, for screens with no text at all",
"shows": [
"GridDetector",
"GridDetector.detect"
],
"note": "An agent with an empty index has no legal moves; a grid always has moves.",
"kind": "terminal"
},
{
"id": "auto-detector",
"category": "Perception",
"title": "OCR when there is text, a grid when there is none",
"shows": [
"AutoDetector",
"AutoDetector.detect",
"AutoDetector.coordinates_of_last_detect"
],
"note": "The default: useful with nothing installed, better the moment OCR appears.",
"kind": "terminal"
},
{
"id": "indexed-screen",
"category": "Perception",
"title": "IndexedScreen: capture + detect, composed",
"shows": [
"IndexedScreen",
"IndexedScreen.capture",
"Observation.summary"
],
"note": "One capture() call gives the loop an index it can act on.",
"kind": "terminal"
},
{
"id": "display-available",
"category": "Preflight",
"title": "Is there a desktop session to drive at all?",
"shows": [
"display_available"
],
"note": "The first question the CLI and the doctor both ask.",
"kind": "terminal"
},
{
"id": "run-checks",
"category": "Preflight",
"title": "Every precondition, one list, each with the fix",
"shows": [
"run_checks",
"Check",
"Check.render"
],
"note": "Eight checks; a required one that fails is a blocking problem.",
"kind": "terminal"
},
{
"id": "cli-doctor",
"category": "Preflight",
"title": "python -m tiny_computer_agent --doctor",
"shows": [
"detector_available",
"display_available",
"doctor",
"report"
],
"note": "The first thing to run on a new machine. Exits non-zero when not ready.",
"kind": "terminal"
},
{
"id": "build-agent",
"category": "Preflight",
"title": "One call wires screen + detector + brain + executor + policy",
"shows": [
"build_agent",
"Policy",
"AgentLoop"
],
"note": "Defaults are the safe ones: dry run, a step budget, and a kill-switch file.",
"kind": "terminal"
},
{
"id": "models-deps",
"category": "Models",
"title": "Which model runtime is present, and are the weights cached?",
"shows": [
"model_dependencies",
"model_cached",
"MODEL_BRAINS",
"make_model_brain",
"DEFAULT_TEXT_MODEL",
"DEFAULT_VISION_MODEL",
"BrainError"
],
"note": "Weights are loaded lazily, so asking is free.",
"kind": "terminal"
},
{
"id": "models-device",
"category": "Models",
"title": "Device and dtype selection",
"shows": [
"resolve_device",
"pick_dtype"
],
"note": "CUDA if it is there, CPU otherwise; the harness never needs a GPU.",
"kind": "terminal"
},
{
"id": "models-prompt",
"category": "Models",
"title": "The prompt a model actually receives - and how it learns from a dead end",
"shows": [
"ModelBrain",
"ModelBrain.build_prompt",
"ModelBrain.decide"
],
"note": "Placeholders, not worked examples: a weak model echoes the prompt, and an echo fails validation.",
"kind": "terminal"
},
{
"id": "models-prompt-history",
"category": "Models",
"title": "A second decision is told what already failed",
"shows": [
"ModelBrain",
"ModelBrain.build_prompt",
"ModelBrain.history"
],
"note": "'you already tried this and the screen did NOT change' is the most useful line a small model gets.",
"kind": "terminal"
},
{
"id": "scenario",
"category": "Traces & scoring",
"title": "A task with one right answer, and the frames to show",
"shows": [
"Scenario",
"Scenario.label",
"Scenario.screen",
"Trace.render",
"run_scenario"
],
"note": "Ground truth lives with the task, so a run can be scored at all.",
"kind": "terminal"
},
{
"id": "trace-record",
"category": "Traces & scoring",
"title": "An episode becomes a portable, pixel-free trace",
"shows": [
"Trace",
"Trace.blocked",
"Trace.choice",
"Trace.decided",
"Trace.decision_step",
"Trace.frames",
"Trace.load",
"Trace.name",
"Trace.record",
"Trace.save",
"Trace.to_dict",
"Trace.to_json",
"TraceStep",
"TraceStep.observation",
"TraceStep.to_dict"
],
"note": "JSON, so it diffs in review and replays on a machine with nothing installed.",
"kind": "terminal"
},
{
"id": "trace-replay",
"category": "Traces & scoring",
"title": "Replay a recorded trace against a different brain",
"shows": [
"Trace.replay",
"Trace.observations",
"score_trace"
],
"note": "The frames are the fixture; the brain is the only variable. Nothing is captured or clicked.",
"kind": "terminal"
},
{
"id": "score-trace",
"category": "Traces & scoring",
"title": "Counting how often the choice was right",
"shows": [
"score_trace",
"score",
"score_replay",
"Verdict",
"Verdict.line"
],
"note": "Scored on normalised text, so OCR spacing is forgiven - the same bargain the index makes.",
"kind": "terminal"
},
{
"id": "scoreboard",
"category": "Traces & scoring",
"title": "Verdicts collected into an accuracy",
"shows": [
"Scoreboard",
"Scoreboard.accuracy",
"Scoreboard.accuracy_for",
"Scoreboard.add",
"Scoreboard.blocked",
"Scoreboard.brains",
"Scoreboard.by_brain",
"Scoreboard.confusion",
"Scoreboard.earned",
"Scoreboard.render",
"Scoreboard.to_rows",
"Scoreboard.total"
],
"note": "The number the whole module exists for: which brain is right, and how often.",
"kind": "terminal"
},
{
"id": "benchmark",
"category": "Traces & scoring",
"title": "Every scenario through every brain, in one table",
"shows": [
"benchmark",
"Scoreboard.to_rows"
],
"note": "A fresh brain per task, so state like 'already clicked this' cannot leak between them.",
"kind": "terminal"
},
{
"id": "benchmark-traces",
"category": "Traces & scoring",
"title": "Replay a whole recorded suite against one brain",
"shows": [
"benchmark_traces",
"load_traces",
"Trace.save"
],
"note": "The literal roadmap step: the frames are fixed, nothing new is captured.",
"kind": "terminal"
},
{
"id": "cli-image",
"category": "Command line",
"title": "--image example (replay a screenshot, dry run)",
"shows": [
"main",
"build_parser",
"ImageScreen",
"detector_available"
],
"note": "No display needed: the whole pipeline over a still image.",
"kind": "terminal"
},
{
"id": "cli-script",
"category": "Command line",
"title": "--script (replay a fixed action list instead of a brain)",
"shows": [
"MockBrain",
"demo_screen",
"parse_action"
],
"note": "The script is validated exactly like a model's answer: nothing skips the gates.",
"kind": "terminal"
},
{
"id": "cli-verify-text",
"category": "Command line",
"title": "--verify-text (the harness decides success, not the brain)",
"shows": [
"AgentLoop.run",
"Episode.success"
],
"note": "Without it, an action that removes its own target looks like a failure.",
"kind": "terminal"
},
{
"id": "cli-trace",
"category": "Command line",
"title": "--trace / --expected (record the run, then score it)",
"shows": [
"Trace.record",
"Trace.save",
"score_trace"
],
"note": "Writes JSON next to the code, and prints the score straight away.",
"kind": "terminal"
},
{
"id": "cli-detector",
"category": "Command line",
"title": "--no-ocr (index a numbered grid instead)",
"shows": [
"GridDetector",
"make_detector",
"detector_available"
],
"note": "Useful on a machine with no OCR engine, or for a canvas app.",
"kind": "terminal"
},
{
"id": "cli-exit-codes",
"category": "Command line",
"title": "Exit codes: 0 success, 1 failure, 2 bad usage, 3 no screen",
"shows": [
"main"
],
"note": "A shell can tell 'it worked' from 'it gave up' without parsing any text.",
"kind": "terminal"
},
{
"id": "cli-refusals",
"category": "Command line",
"title": "The two deliberate acts before the mouse can move",
"shows": [
"main",
"ALLOW_REAL_INPUT_ENV"
],
"note": "--real-input without the env var, and --brain vlm with no pixels: both refuse.",
"kind": "terminal"
},
{
"id": "cli-live-headless",
"category": "Command line",
"title": "--live with no display is refused, with the fix",
"shows": [
"display_available",
"main"
],
"note": "It tells you what to do instead of dying inside an episode.",
"kind": "terminal"
},
{
"id": "cli-live-dry-run",
"category": "Command line",
"title": "--live (your real screen, dry run)",
"shows": [
"GrabScreen",
"IndexedScreen",
"AutoDetector",
"main"
],
"note": "Real capture, real OCR, a real element index - and not one click.",
"kind": "terminal"
},
{
"id": "desk-capture",
"category": "Real desktop",
"title": "GrabScreen: capture a real desktop",
"shows": [
"GrabScreen",
"GrabScreen.capture",
"ScreenUnavailable"
],
"note": "1280x800 of a real X server. mss first, Pillow's ImageGrab as the fallback.",
"kind": "desktop"
},
{
"id": "desk-ocr-index",
"category": "Real desktop",
"title": "The element index, drawn on the pixels it came from",
"shows": [
"OcrDetector",
"OcrDetector.detect",
"IndexedScreen",
"Element.center"
],
"note": "Every box is a real OCR word with a real screen coordinate: the model picks a label, not a pixel.",
"kind": "desktop"
},
{
"id": "desk-click",
"category": "Real desktop",
"title": "A real click, and the window's own reaction",
"shows": [
"PyAutoGuiExecutor",
"AgentLoop.run",
"Policy.dry_run",
"resolve_point"
],
"note": "Pixels in, a label chosen, a pixel resolved, a button pressed - and the dialog closed itself.",
"kind": "desktop"
},
{
"id": "desk-verify",
"category": "Real desktop",
"title": "Success only when the harness can see it",
"shows": [
"AgentLoop.run",
"Episode.success",
"Episode.stop_reason"
],
"note": "The app changed its own title and wrote a marker file; the verifier saw the change.",
"kind": "desktop"
},
{
"id": "desk-grid-fallback",
"category": "Real desktop",
"title": "A screen with no text still has legal moves",
"shows": [
"AutoDetector",
"GridDetector",
"OcrDetector"
],
"note": "OCR finds nothing on a canvas, so the index degrades to numbered cells - and says so.",
"kind": "desktop"
},
{
"id": "desk-policy-refusal",
"category": "Real desktop",
"title": "The safety gate, on a real button, in a real window",
"shows": [
"Policy.check",
"Policy.deny_labels",
"PolicyViolation",
"Observation.find"
],
"note": "The Terminal button is visible and labelled - and the policy refuses to press it.",
"kind": "desktop"
},
{
"id": "desk-cli-real-input",
"category": "Real desktop",
"title": "The same click, driven end to end from the CLI",
"shows": [
"main",
"PyAutoGuiExecutor",
"AgentLoop.run"
],
"note": "--live --real-input --verify-text Saved: capture, OCR, click, verify, exit code.",
"kind": "desktop"
},
{
"id": "protocols",
"category": "Extensibility",
"title": "Every stage is a Protocol: bring your own screen, brain, detector, executor",
"shows": [
"Brain",
"Brain.decide",
"ScreenSource",
"ScreenSource.capture",
"Detector",
"Detector.detect",
"Executor",
"Executor.execute",
"ActionResult"
],
"note": "The loop depends on four one-method contracts, not on the shipped implementations.",
"kind": "terminal"
},
{
"id": "brain-mock",
"category": "Decisions",
"title": "MockBrain: replay a fixed script, exactly once",
"shows": [
"MockBrain",
"MockBrain.decide",
"MockBrain.remaining"
],
"note": "Deterministic and offline - the workhorse for tests, demos and replays.",
"kind": "terminal"
},
{
"id": "brain-planner",
"category": "Decisions",
"title": "PlannerBrain: no weights, no download, and it gives up honestly",
"shows": [
"PlannerBrain",
"PlannerBrain.decide",
"GoalUnreachable"
],
"note": "The proof the harness works end to end, and a real fallback when no model is wanted.",
"kind": "terminal"
},
{
"id": "models-swap",
"category": "Models",
"title": "The two real model backends, and lazy loading",
"shows": [
"TextPlannerBrain",
"VLMBrain",
"TextPlannerBrain.unload",
"VLMBrain.unload",
"ModelBrain.loaded",
"make_model_brain"
],
"note": "Constructing a brain costs nothing; the weights arrive on the first decide().",
"kind": "terminal"
},
{
"id": "fake-desktop",
"category": "Screens",
"title": "The built-in synthetic desktop",
"shows": [
"fake_desktop",
"write_fake_desktop",
"OcrDetector"
],
"note": "Draws a screenshot-like desktop offline - the same image --image example replays.",
"kind": "terminal"
},
{
"id": "stepwise",
"category": "The loop",
"title": "The same loop, one turn at a time, with pause and resume",
"shows": [
"AgentLoop",
"AgentLoop.begin",
"AgentLoop.step_once",
"AgentLoop.pause",
"AgentLoop.resume",
"AgentLoop.finished",
"AgentLoop.run",
"Step.line"
],
"note": "run() is batch; a console needs the caller to own the loop. These are the same rules.",
"kind": "terminal"
},
{
"id": "decoding",
"category": "Models",
"title": "Constrained decoding: make an echo impossible, not merely detected",
"shows": [
"MenuMask",
"digit_token_ids",
"choice_token_ids",
"pair_token_ids",
"read_choice",
"read_verdict",
"brevity_ladder",
"majority_choice",
"DIGITS"
],
"note": "The 256M model's failure was answering with the prompt. A mask removes that option.",
"kind": "terminal"
},
{
"id": "atspi-index",
"category": "Perception",
"title": "The accessibility tree: elements the OS already knows about",
"shows": [
"AtspiDetector",
"AtspiDetector.detect",
"AtspiDetector.text",
"AtspiDetector.coordinates_of_last_detect",
"AtspiReader",
"AtspiReader.read",
"AccessibleNode",
"TreeReader",
"TreeReader.read",
"accessibility_available",
"INTERACTIVE_ROLES",
"TEXT_ROLES"
],
"note": "No pixels are read: GTK publishes every button's name and screen extents.",
"kind": "terminal"
},
{
"id": "models-decision-modes",
"category": "Models",
"title": "Four ways to ask a tiny model, and what each one costs",
"shows": [
"ModelBrain",
"ModelBrain.loaded",
"TextPlannerBrain",
"VLMBrain",
"make_model_brain"
],
"note": "json=free text, choice=one masked number, scan=yes/no per item, rank=log-odds order.",
"kind": "terminal"
},
{
"id": "desk-atspi",
"category": "Real desktop",
"title": "Indexed by the accessibility tree, acted on with the real mouse",
"shows": [
"AtspiDetector",
"AtspiDetector.detect",
"AtspiReader",
"IndexedScreen",
"PyAutoGuiExecutor",
"PlannerBrain"
],
"note": "Roles and extents come from GTK itself; the click is a real one and the app reacts.",
"kind": "desktop"
},
{
"id": "uia-mapping",
"category": "Perception",
"title": "The Windows backend: the same index, from UI Automation",
"shows": [
"UiaReader",
"UiaReader.read",
"UiaDetector",
"UiaDetector.detect",
"UiaDetector.text",
"UiaDetector.coordinates_of_last_detect"
],
"note": "Windows-only, so the mapping is exercised here against a synthetic control tree.",
"kind": "terminal"
}
] |