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README.md

@@ -165,6 +165,17 @@ The production Streamable HTTP MCP endpoint is:
 https://YOUR-SPACE.hf.space/mcp
 ```
 
+The mounted Gradio interface also publishes its documented UI callbacks through
+Gradio's built-in MCP adapter at:
+
+```text
+https://YOUR-SPACE.hf.space/ui/gradio_api/mcp
+```
+
+Use `/mcp` for the gateway's complete ten-tool contract, authentication options,
+health metadata, and stable schemas. The Gradio MCP URL is an additional interface
+corresponding to the UI API endpoints; it does not replace the gateway server.
+
 On connection, a client automatically discovers ten tools:
 
 | Tool | Capability |

app.py

@@ -216,6 +216,7 @@ def create_app(settings: Settings | None = None) -> FastAPI:
         show_error=False,
         max_file_size=f"{resolved_settings.max_upload_mb}mb",
         ssr_mode=False,
+        mcp_server=True,
     )
 
 

requirements-test.txt

@@ -1,6 +1,6 @@
 fastapi>=0.115,<1.0
 fastmcp>=3.4.4,<4.0
-gradio>=6.20,<7.0
+gradio[mcp]>=6.20,<7.0
 spaces>=0.51,<1.0
 pydantic>=2.9,<3.0
 pydantic-settings>=2.5,<3.0

requirements.txt

@@ -1,7 +1,7 @@
 # Web runtime
 fastapi>=0.115,<1.0
 fastmcp>=3.4.4,<4.0
-gradio>=6.20,<7.0
+gradio[mcp]>=6.20,<7.0
 spaces>=0.51,<1.0
 uvicorn[standard]>=0.32,<1.0
 pydantic>=2.9,<3.0

tests/test_api.py

@@ -42,7 +42,7 @@ def test_root_redirects_to_gradio_ui(tmp_path: Path) -> None:
     assert direct_response.headers["location"] == "/ui/"
 
 
-def test_mounted_gradio_ui_disables_ssr_port_proxy(tmp_path: Path) -> None:
+def test_mounted_gradio_ui_runtime_options(tmp_path: Path) -> None:
     application = make_app(tmp_path)
     mount = next(
         route
@@ -50,7 +50,9 @@ def test_mounted_gradio_ui_disables_ssr_port_proxy(tmp_path: Path) -> None:
         if route.path == "/ui" and hasattr(route.app, "get_blocks")
     )
 
-    assert mount.app.get_blocks().ssr_mode is False
+    blocks = mount.app.get_blocks()
+    assert blocks.ssr_mode is False
+    assert blocks.mcp_server is True
 
 
 def test_validation_errors_have_stable_shape(tmp_path: Path) -> None: