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MCP Reference Servers

The reference MCP servers kept by the Model Context Protocol project: a protocol test server, fetch, filesystem, git, memory, sequential thinking and time. Each one shows how a server exposes tools to an MCP client, and they are the usual starting point for connecting an agent to local or web resources.

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Kind: Framework
Works with: Any agent
Source: MCP Reference Servers @ 51b6382a3e82
Path: README.md
License: Apache-2.0
Jobs: Context management, Implementation

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# Model Context Protocol servers

This repository is a collection of *reference implementations* for the [Model Context Protocol](https://modelcontextprotocol.io/) (MCP), as well as references to community-built servers and additional resources.

> [!IMPORTANT]
> If you are looking for a list of MCP servers, you can browse published servers on [the MCP Registry](https://registry.modelcontextprotocol.io/). The repository served by this README is dedicated to housing just the small number of reference servers maintained by the MCP steering group.

> [!WARNING]
> The servers in this repository are intended as **reference implementations** to demonstrate MCP features and SDK usage. They are meant to serve as educational examples for developers building their own MCP servers, not as production-ready solutions. Developers should evaluate their own security requirements and implement appropriate safeguards based on their specific threat model and use case.

The servers in this repository showcase the versatility and extensibility of MCP, demonstrating how it can be used to give Large Language Models (LLMs) secure, controlled access to tools and data sources.
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