// devtools · tadata-org/fastapi_mcp

fastapi_mcp

fastapi_mcp é um projeto de ferramentas de desenvolvimento de código aberto de tadata-org (tadata-org/fastapi_mcp no GitHub). Tem 12.019 estrelas no GitHub e 971 forks, é publicado sob a licença MIT e foi atualizado pela última vez no GitHub em 24 de novembro de 2025.

Expose your FastAPI endpoints as Model Context Protocol tools - with authentication - in a few lines of code.

★ 12,0 mil estrelas⑂ 971 forksMITatualizado nov 2025
▦ visual: o README deste projeto não inclui nenhuma captura incorporável,
então aqui vai um marcador. O guia abaixo está completo mesmo assim.
// dados do projeto

Dados do projeto

Estrelas no GitHub
12.019
Forks
971
Licença
MIT
Última atualização no GitHub
24 de novembro de 2025
Tipo de ficha
Guia de instalação completo
Site oficial
Official site
// como funciona

Como funciona

  1. Check the fit

    You need an existing (or new) FastAPI app whose endpoints you want AI agents to call as tools.

  2. Install the library

    Add fastapi-mcp to your project with uv or pip.

  3. Mount the MCP server

    Create FastApiMCP(app) in your code and call mcp.mount() - your endpoints become MCP tools with schemas and docs preserved.

  4. Connect a client and test

    Point your MCP client at your app's /mcp endpoint, authenticate as your API requires, and call a tool from your agent.

// recursos

Por que as pessoas gostam tanto

Authentication built in

Secure MCP tools using your existing FastAPI dependencies (Depends) for authentication and authorization - no parallel auth system.

FastAPI-native, not a converter

Built as a native extension of FastAPI rather than an OpenAPI translation layer, preserving native dependency behavior.

Schemas and docs preserved

Request and response models keep their schemas, and endpoint documentation carries over just as it appears in Swagger.

Zero/minimal configuration

Point it at your FastAPI app and it works - the basic integration is three lines of code.

Flexible deployment

Mount the MCP server into the same FastAPI app or deploy it separately, as your architecture requires.

Efficient ASGI transport

The MCP server communicates with your app through its ASGI interface directly, eliminating internal HTTP calls.

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// execute você mesmo

Execute você mesmo

  1. Clone the repository

    Clone FastAPI-MCP for the examples and source; most users install the package instead.

    git clone https://github.com/tadata-org/fastapi_mcp.git
    cd fastapi_mcp
  2. Install the package

    Add fastapi-mcp to your FastAPI project (uv recommended by the README, pip works too).

    pip install fastapi-mcp
  3. Mount it on your app

    Add the MCP server to your FastAPI application; it becomes available at your app's /mcp path.

    from fastapi_mcp import FastApiMCP
    mcp = FastApiMCP(app)
    mcp.mount()  # see README for the full example
// casos de uso

O que você pode criar

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// perguntas frequentes

Perguntas frequentes

Who maintains FastAPI-MCP?

It is developed by tadata-org (Tadata Inc.) and community contributors; Tadata also offers a hosted solution.

Is it free to use?

Yes. It is MIT-licensed (Copyright Tadata Inc.).

Does it need a paid API key?

No. It is a library that runs inside your own FastAPI deployment; the AI clients that call it use their own model access.

How does it compare with generating an MCP server from an OpenAPI spec?

Generic converters translate the spec; FastAPI-MCP works natively with your running app, reusing its dependencies for auth and its ASGI interface for transport, so behavior matches your API exactly.

How do I get started?

Run pip install fastapi-mcp, add FastApiMCP(app) and mcp.mount() to your app, and connect an MCP client to /mcp.

// continue explorando

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// mais em devtools

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