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MCP Reference Servers

MCP Servers Open source (MIT)

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Last activityOct 19, 2026
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Repository: modelcontextprotocol/servers ยท Data checked Oct 2026

About

These are the official reference MCP servers, maintained alongside the Model Context Protocol specification itself. They cover the fundamentals every agent builder should know: filesystem access, git operations, GitHub, web fetching, a knowledge-graph memory, and SQLite. They run locally over stdio with no signup, and because they are the canonical examples, every tutorial and client documents them first. Start here when you are learning what MCP can do, then graduate to community servers.

Details

Open source. You run it yourself.

Auth: Open source (MIT)

Rate limit: None, runs on your machine

Verified: 2026-09-19

Best for: developer

Read the docs Back to catalog

Setup

  1. Install Node.js (and uv if you want the Python servers)
  2. Pick a server from the repo, like filesystem, git, fetch, or memory
  3. Add it to your MCP client config following the repo's README
  4. Restart your client and ask your agent to use its new tool
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