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The best FastAPI-MCP alternatives

6 tools that do a similar job to FastAPI-MCP, 6 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.

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FastAPI-MCP

Turns the endpoints of a FastAPI app into MCP tools that AI assistants can call, with auth.

  1. 1

    mcp-use

    Open source · MIT · ★ 10.8k

    A TypeScript framework for building MCP servers and interactive MCP Apps for AI assistants.

    Best for: TypeScript developers who want to build MCP servers; Developers creating interactive MCP Apps with React views

    Full review FastAPI-MCP vs mcp-use
  2. 2

    MCP Python SDK

    Open source · MIT · ★ 24.7k

    Official Python library for building MCP servers and clients that connect AI apps to tools and data.

    Best for: Python developers who want to expose their own functions to an LLM app as MCP tools; Developers building clients that connect to existing MCP servers

    Full review FastAPI-MCP vs MCP Python SDK
  3. 3

    Page Agent

    Open source · MIT · ★ 29.6k

    A JavaScript library that adds a natural-language AI agent to any web page you load it on.

    Best for: Developers adding an AI copilot to their own web app; Teams wanting to automate repetitive form filling in internal ERP, CRM, or admin tools

    Full review
  4. 4

    OpenMythos

    Open source · MIT · ★ 14.9k

    A community-written, theoretical PyTorch model of a looped transformer, inspired by speculation about Claude M

    Best for: Researchers exploring looped or recurrent-depth transformer designs; Developers who want a small, readable PyTorch codebase to experiment with MLA or GQA attention

    Full review
  5. 5

    SQLModel

    Open source · MIT · ★ 18.5k

    A Python library for working with SQL databases using Python classes, built on Pydantic and SQLAlchemy.

    Best for: Python developers building FastAPI applications that use a SQL database; Developers who already know SQLAlchemy or Pydantic and want less duplicated model code

    Full review
  6. 6

    peewee

    Open source · MIT · ★ 12k

    A small Python ORM for working with PostgreSQL, MySQL, and SQLite databases.

    Best for: Python developers who want a lightweight ORM instead of a large framework; Projects using SQLite, PostgreSQL, or MySQL

    Full review

How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to FastAPI-MCP. We don't take payment for placement.