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fastmcp

A TypeScript framework for building MCP servers.

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node/pnpmnodemcp-sdkTypeScriptssetypescriptmcp

fastmcp is a TypeScript framework for building MCP servers, positioned as an SDK for the Model Context Protocol. It supports serving over SSE and ships a .claude directory, with the repository developed by punkpeye under an MIT license.

You want a TypeScript toolchain (Node, pnpm) dedicated to implementing MCP servers without assembling the protocol plumbing yourself.

Use it to

  • Build an MCP server in TypeScript
  • Expose tools over SSE for MCP clients
  • Configure Claude integrations via the shipped claude dir
  • Adopt it as your MCP SDK layer in a Node project

For TypeScript developers building MCP servers

Role
mcp-sdk
Language
TypeScript
Licence
MIT
Forks
314
Open issues
1
Last push
2026-09-15
Latest release
v1.0.1 · 2024-12-27
topicsmcptypescriptssesdkframeworknode