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FastMCP

MCP Developer Tools

A TypeScript framework that simplifies building MCP servers by handling boilerplate and providing intuitive APIs

TypeScript Latest v4.12.0 · 1d ago Security brief →

Features

  • Opinionated framework for rapid MCP server development in TypeScript
  • Built‑in support for authentication, session tracking, and HTTP streaming (SSE compatible)
  • Edge runtime compatibility (Cloudflare Workers, Deno Deploy, etc.)

Recent releases

View all 98 releases →
No immediate action
v4.12.0 New feature

FastMCP.connect

No immediate action
v4.11.0 New feature

Progress message + docs

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v4.10.0 New feature

jsonSchemaAdapter

No immediate action
v4.9.2 Bug fix

Fixes stateless warning

Config change
v4.9.1 Bug fix
Auth

OAuth proxy state persistence

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About

Stars
3,227
Forks
289
Languages
TypeScript JavaScript
Downloads/week
496,488 ↑12%
NPM Maintainers
1
Contributors
71
TypeScript
Types included ✓

Install & Platforms

Install via
npm

Alternative to

official SDK

Beta — feedback welcome: [email protected]