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Build FastAPI MCP server
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Module 1
Foundation: Exposing Your First Tool
1
Project Setup with FastAPI and fastapi_mcp
Set up a Python project with FastAPI and fastapi_mcp using uv.
2
Pydantic Response Models and Operation IDs
Define a single API endpoint with a Pydantic response model and a descriptive `operation_id`.
3
Exposing FastAPI Endpoints as Tools with `fastapi_mcp`
Integrate `fastapi_mcp` into the FastAPI app to expose the single endpoint as a tool.
4
Inspect `mcp` Endpoint to Verify Tool Exposure
Verify the tool is correctly exposed by running the server and inspecting the `/mcp` endpoint's JSON output.
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Securing and Scaling the Toolset