FastAPI-MCP to expose FastAPI endpoints as MCP tools
I built FastAPI-MCP as an open-source library, and recently had to completely refactor it, abandoning FastMCP wrappers in favor of the low-level MCP SDK. The new version gives more control over which endpoints are exposed, supports complex request bodies, and allows flexible routing options. I wrote about the technical journey and lessons learned here: https://medium.com/@miki_45906/advanced-mcps-in-python-how-t... Looking for feedback and contributors who are interested in MCPs!
FastAPI-MCP to expose FastAPI endpoints as MCP tools launched on April 10, 2025 with 7 votes and more than 75% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth! - tadata-org/fastapi_mcp
Does a similar job
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Open-source project to convert FastAPIs to MCP servers2025 · github.com · ▲7I built a zero-configuration tool for automatically exposing FastAPI endpoints as Model Context Protocol (MCP) tools, open to collabs and contributions!
Apidog Fast Request2025 · fastrequest.apidog.com · ▲512Develop APIs fast + automatically detect endpoints
FastOpenAPI – automated docs for many Python frameworks2025 · github.com · ▲153FastOpenAPI is a library for generating and integrating OpenAPI schemas using Pydantic v2 and various frameworks (AioHttp, Django, Falcon, Flask, Quart, Sanic, Starlette, Tornado). - mr-fatalyst/fastopenapi
Faster FastAPI with simdjson and io_uring on Linux 5.192023 · github.com · ▲290A few months ago, I benchmarked FastAPI on an i9 MacBook Pro. I couldn't believe my eyes. A primary REST endpoint to `sum` two integers took 6 milliseconds to evaluate. It is okay if you are targeting a server in another city, but it should be less when your client and server apps are running on the same machine. FastAPI would have bottleneck-ed the inference of our lightweight UForm neural networks recently trending on HN under the title "Beating OpenAI CLIP with 100x less data and compute". (Thank you all for the kind words!) So I wrote another library. It has been a while since I have…
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