{"id":"fastapi-mcp","name":"FastAPI-MCP","homepage":"https://github.com/tadata-org/fastapi_mcp","repo_url":"https://github.com/tadata-org/fastapi_mcp","category":"developer-tools","subcategories":["api-framework","mcp-bridge","python"],"tags":["fastapi","mcp","python","api-to-mcp","tool-generation","asgi","openapi","auto-discovery"],"what_it_does":"Automatically exposes existing FastAPI endpoints as MCP tools with zero/minimal configuration. Converts FastAPI routes into MCP-compatible tools while preserving schemas, documentation, and authentication, communicating via ASGI transport without HTTP overhead.","use_cases":["Exposing an existing FastAPI application to AI agents without writing MCP-specific code","Giving Claude or other LLM clients access to internal REST APIs through MCP","Bridging existing microservices into the MCP ecosystem with minimal refactoring","Adding AI agent access to FastAPI apps while reusing existing auth via Depends()"],"not_for":["Non-FastAPI Python frameworks (Flask, Django) - FastAPI-specific","Non-Python APIs - Python only","Complex MCP workflows requiring custom tool logic beyond endpoint mapping"],"best_when":"You already have a FastAPI application and want to expose its endpoints as MCP tools with minimal effort. The zero-config approach and native FastAPI auth integration make this the path of least resistance.","avoid_when":"You're not using FastAPI, need to support non-Python backends, or require MCP tools that don't map cleanly to REST endpoints.","alternatives":["mcpify","openapi-mcp-server","custom MCP server implementation"],"af_score":71.4,"security_score":75.0,"reliability_score":null,"package_type":"mcp_server","discovery_source":["github","github_awesome"],"priority":"low","status":"evaluated","version_evaluated":"0.4.0","last_evaluated":"2026-03-01T09:50:05.560081+00:00","performance":{"latency_p50_ms":null,"latency_p99_ms":null,"uptime_sla_percent":null,"rate_limits":null,"data_source":"llm_estimated","measured_on":null}}