Model Context Protocol Servers
Official reference servers for the Model Context Protocol, connecting LLMs to tools and data.
About
Reference implementations for the Model Context Protocol fill this repository, maintained as the canonical starting point for connecting language models to external tools and data. Seven actively maintained servers cover the fundamentals: Everything, Fetch, Filesystem, Git, Memory, Sequential Thinking, and Time, while thirteen earlier examples such as GitHub, PostgreSQL, Slack, and Puppeteer now live in an archived companion repository. TypeScript servers launch with a single npx command and Python servers with uvx or pip, so any MCP client, including Claude Desktop, Cursor, or VS Code, can attach them through one JSON configuration entry. The repo also indexes official SDKs in ten languages, from TypeScript and Python to Rust, Go, and Kotlin, and links the community registry at registry.modelcontextprotocol.io that catalogs thousands of third-party servers. The code is transitioning from MIT to Apache-2.0 licensing and is positioned as educational rather than production infrastructure, but with Anthropic, OpenAI, and Google all adopting MCP, these servers function as the protocol's working textbook.
Should you use Model Context Protocol Servers?
Pick it when
Pick this when you are learning MCP or need a known-good server such as Filesystem, Fetch, Git, or Memory attached to Claude Desktop, Cursor, or VS Code, or want reference code to copy when writing your own server.
Look elsewhere when
The maintainers position these as educational rather than production infrastructure, and servers like GitHub and Slack now sit in an archive. Build production servers with FastMCP or an official SDK, and use a gateway for team governance.
Alternatives to Model Context Protocol Servers
- FastMCP
Framework for writing your own Python servers with auth, composition, and OpenAPI conversion; more work than an npx launch, but meant for real deployments.
- MCP Inspector
Official test harness for debugging any MCP server over stdio or HTTP; it ships no tools of its own, so it complements these servers.
- IBM ContextForge
IBM gateway that federates many MCP servers with auth, rate limiting, and telemetry; adds infrastructure these single-purpose servers avoid.
- MCPJungle
Registers a team's servers once behind one endpoint with tool groups and access control; useful with many servers, overkill for one local tool.
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Details
- Category
- AI Frameworks & Libraries
- Price
- Free
- Platform
- Local/Desktop
- Difficulty
- Easy (2/5)
- License
- Apache-2.0
- Added
- Jul 29, 2026