FastMCP
The standard Python framework for building MCP servers and clients.
83
Hero Score
Popularity
88
Performance
85
Ecosystem
75
Maturity
76
Dev Experience
90
⭐ 25,416 stars⬇ 15.2M downloads/wkFirst release: Dec 2024Last release: May 2026
Async Support: YesPlugin Extensions: HighSpeed: FastDoc Quality: Very highLearning Curve: Easy
Pros
- • Minimal boilerplate with decorator-based API; FastMCP 1.0 incorporated into official MCP SDK
- • Comprehensive enterprise auth providers and deployment tools out of the box
- • Server composition, proxying, and native OpenAPI/FastAPI generation
Cons
- • Large dependency footprint for simple use cases
- • FastMCP 3.0 in development may introduce breaking changes
- • Advanced features like background tasks require additional setup (Redis for scaling)