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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 Public

    Specification and documentation for the Model Context Protocol

    TypeScript 2k 255

  2. servers Public

    Model Context Protocol Servers

    JavaScript 37.4k 4k

  3. python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 9.6k 979

  4. typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 5.3k 582

  5. csharp-sdk Public

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

    C# 1.6k 216

  6. inspector Public

    Visual testing tool for MCP servers

    TypeScript 2.1k 285

Repositories

Showing 10 of 15 repositories
  • kotlin-sdk Public

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

    Kotlin 530 MIT 70 19 (5 issues need help) 9 Updated Apr 17, 2025
  • java-sdk Public

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

    Java 1,098 MIT 247 44 21 Updated Apr 17, 2025
  • inspector Public

    Visual testing tool for MCP servers

    TypeScript 2,059 MIT 285 36 12 Updated Apr 16, 2025
  • swift-sdk Public

    The official Swift SDK for Model Context Protocol servers and clients. Maintained in collaboration with @loopwork-ai.

    Swift 366 MIT 31 11 8 Updated Apr 16, 2025
  • csharp-sdk Public

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

    C# 1,625 MIT 215 38 3 Updated Apr 16, 2025
  • typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 5,256 MIT 582 110 35 Updated Apr 16, 2025
  • servers Public

    Model Context Protocol Servers

    JavaScript 37,388 MIT 4,033 276 (1 issue needs help) 363 Updated Apr 16, 2025
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 2,040 MIT 255 70 (1 issue needs help) 42 Updated Apr 16, 2025
  • python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 9,577 MIT 979 171 (5 issues need help) 60 Updated Apr 15, 2025
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    Rust 732 MIT 108 20 (2 issues need help) 8 Updated Apr 15, 2025