§ RESOURCE
MCP Reference Servers
The small set of reference MCP servers maintained by the MCP project.
About MCP Reference Servers
Reference implementations that demonstrate MCP features and SDKs: Everything, Fetch, Filesystem, Git, Memory, Sequential Thinking and Time. Older servers such as Postgres, Puppeteer and Sentry were moved to an archive repo; vendors now maintain their own.
FAQ
What is MCP Reference Servers?
The small set of reference MCP servers maintained by the MCP project.
Which agents does MCP Reference Servers work with?
Claude Code, Claude apps, Cursor, VS Code & Copilot, OpenAI Codex, Gemini CLI, Windsurf.
Is MCP Reference Servers free?
Yes. It is open source (See repo).
Alternatives to MCP Reference Servers?
Agent Skills Specification, Model Context Protocol, skill-creator, Skills CLI (skills.sh), Anthropic Example Skills.