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@modelcontextprotocol

Model Context Protocol

An open protocol that enables seamless integration between LLM applications and external data sources and tools.

Model Context Protocol

MCP Logo

A protocol for seamless integration between LLM applications and external data sources

Documentation | Specification | Discussions

The Model Context Protocol (MCP) is an open protocol that enables seamless integration between LLM applications and external data sources and tools. Whether you're building an AI-powered IDE, enhancing a chat interface, or creating custom AI workflows, MCP provides a standardized way to connect LLMs with the context they need.

Getting Started

Project Structure

Contributing

We welcome contributions of all kinds! Whether you want to fix bugs, improve documentation, or propose new features, please see our contributing guide to get started.

Have questions? Join the discussion in our community forum.

About

The Model Context Protocol is an open source project run by Anthropic, PBC. and open to contributions from the entire community.

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  1. modelcontextprotocol modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 5.6k 952

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 67.6k 7.9k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 18.4k 2.5k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 9.7k 1.2k

  5. csharp-sdk csharp-sdk Public

    The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.

    C# 3.2k 501

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 6.3k 799

Repositories

Showing 10 of 24 repositories
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector’s past year of commit activity
    TypeScript 6,329 MIT 798 121 49 Updated Sep 13, 2025
  • registry Public

    A community driven registry service for Model Context Protocol (MCP) servers.

    modelcontextprotocol/registry’s past year of commit activity
    Go 3,981 MIT 304 43 (1 issue needs help) 9 Updated Sep 12, 2025
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk’s past year of commit activity
    Rust 2,215 MIT 339 45 6 Updated Sep 13, 2025
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    TypeScript 67,624 MIT 7,940 182 60 Updated Sep 13, 2025
  • example-remote-server Public

    A hosted version of the Everything server - for demonstration and testing purposes, hosted at https://example-server.modelcontextprotocol.io/sse

    modelcontextprotocol/example-remote-server’s past year of commit activity
    TypeScript 30 7 0 3 Updated Sep 12, 2025
  • kotlin-sdk Public

    The official Kotlin SDK for Model Context Protocol servers and clients. Maintained in collaboration with JetBrains

    modelcontextprotocol/kotlin-sdk’s past year of commit activity
    Kotlin 1,035 MIT 154 55 (4 issues need help) 13 Updated Sep 12, 2025
  • go-sdk Public

    The official Go SDK for Model Context Protocol servers and clients. Maintained in collaboration with Google.

    modelcontextprotocol/go-sdk’s past year of commit activity
    Go 2,029 MIT 171 34 (1 issue needs help) 14 Updated Sep 12, 2025
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol’s past year of commit activity
    TypeScript 5,594 MIT 952 222 136 Updated Sep 13, 2025
  • csharp-sdk Public

    The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.

    modelcontextprotocol/csharp-sdk’s past year of commit activity
    C# 3,237 MIT 500 111 11 Updated Sep 12, 2025
  • java-sdk Public

    The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

    modelcontextprotocol/java-sdk’s past year of commit activity
    Java 2,418 MIT 644 152 62 Updated Sep 12, 2025