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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 4.5k 713

  2. servers Public

    Model Context Protocol Servers

    TypeScript 58.3k 6.7k

  3. python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 15.8k 2k

  4. typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 8.3k 1k

  5. csharp-sdk Public

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

    C# 2.7k 411

  6. inspector Public

    Visual testing tool for MCP servers

    TypeScript 4.7k 606

Repositories

Showing 10 of 21 repositories
  • kotlin-sdk Public

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

    Kotlin 891 MIT 122 35 (5 issues need help) 12 Updated Jul 8, 2025
  • java-sdk Public

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

    Java 2,016 MIT 530 109 69 Updated Jul 8, 2025
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    Rust 1,660 MIT 249 24 6 Updated Jul 8, 2025
  • typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 8,323 MIT 1,012 239 28 Updated Jul 8, 2025
  • python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 15,816 MIT 1,997 337 (5 issues need help) 89 Updated Jul 7, 2025
  • inspector Public

    Visual testing tool for MCP servers

    TypeScript 4,734 MIT 606 86 25 Updated Jul 7, 2025
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 4,456 MIT 713 142 119 Updated Jul 7, 2025
  • registry Public

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

    Go 1,858 MIT 136 49 12 Updated Jul 7, 2025
  • go-sdk Public

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

    Go 668 MIT 43 31 (3 issues need help) 14 Updated Jul 7, 2025
  • servers Public

    Model Context Protocol Servers

    TypeScript 58,296 MIT 6,746 188 212 Updated Jul 7, 2025

Most used topics

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