01 · ABOUT

What FastAPI-MCP does

Converts FastAPI applications into Model Context Protocol servers with built-in authentication support. Exposes API endpoints as MCP tools without external HTTP overhead.

Why teams reach for it: Eliminates HTTP overhead and external communication when exposing FastAPI services to AI agents through MCP.

Worth knowing

It implements MCP specification revision 2025-03-26, builds servers, over SSE, Streamable HTTP, and can generate tools directly from an OpenAPI spec.

LibraryOpen SourcePythonMCP Server
02 · TECHNICAL SPECIFICATIONS

How FastAPI-MCP compares

Fields the vendor doesn't document are left blank here rather than guessed — a blank means nothing verified, not a "no."

Language
Python
Official Sdk
No
Spec Revision Implemented
2025-03-26
Transports
SSE, Streamable HTTP
Builds Servers
Yes
Builds Clients
No
Auth Helpers
Built-in
Generates From Openapi
Yes
Mcp Apps Support
No
Server Composition
No
Package Registry
PyPI
Package Name
fastapi-mcp
03 · NEW TO MCP?
What will you use to implement the protocol?

A framework or SDK gives developers pre-built code for creating an MCP server or client, so they don't have to implement the protocol from scratch.