MCP reference servers

Official collection of reference servers (filesystem, git, fetch, memory) to learn from or run directly.

Related MCP tools

• Model Context Protocol spec — The open standard for connecting LLM apps to tools, resources and prompts
• MCP TypeScript SDK — Official SDK for building MCP servers and clients in TypeScript with stdio and streamable
• MCP Python SDK — Official Python SDK including FastMCP-style decorators for quickly exposing tools.
• MCP Inspector — Developer tool to connect to any MCP server and interactively test tools, resources and pr
• FastMCP — Pythonic high-level framework for MCP servers and clients with auth, proxying and composit
• GitHub MCP Server — GitHub's official server exposing repos, issues, PRs and Actions to agents.

All MCP tools → · Best MCP servers and tools in 2026