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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 hosted by The Linux Foundation 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 6.8k 1.2k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 75.6k 9.2k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 21k 3k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 11.2k 1.5k

  5. csharp-sdk csharp-sdk Public

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

    C# 3.7k 595

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 8.2k 1.1k

Repositories

Showing 10 of 30 repositories
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol’s past year of commit activity
    TypeScript 6,820 1,214 244 86 Updated Jan 5, 2026
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    TypeScript 75,554 MIT 9,162 210 (1 issue needs help) 48 Updated Jan 5, 2026
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk’s past year of commit activity
    Rust 2,788 MIT 434 83 22 Updated Jan 5, 2026
  • python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    modelcontextprotocol/python-sdk’s past year of commit activity
    Python 20,959 MIT 2,960 239 (1 issue needs help) 82 Updated Jan 5, 2026
  • typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    modelcontextprotocol/typescript-sdk’s past year of commit activity
    TypeScript 11,206 MIT 1,543 179 (9 issues need help) 79 Updated Jan 5, 2026
  • conformance Public

    Conformance Tests for MCP

    modelcontextprotocol/conformance’s past year of commit activity
    TypeScript 29 MIT 10 7 6 Updated Jan 5, 2026
  • ext-apps Public

    Official repo for SDK of upcoming Apps / UI extension

    modelcontextprotocol/ext-apps’s past year of commit activity
    TypeScript 329 MIT 50 26 21 Updated Jan 5, 2026
  • 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 3,555 MIT 324 54 (5 issues need help) 18 Updated Jan 5, 2026
  • 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 1,206 MIT 184 69 (4 issues need help) 20 Updated Jan 5, 2026
  • 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# 3,749 MIT 595 124 14 Updated Jan 5, 2026