Skip to content
@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 hosted by The Linux Foundation and open to contributions from the entire community.

Pinned Loading

  1. modelcontextprotocol modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 9.3k 1.8k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 90.6k 11.7k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 24.4k 4k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 13.5k 2.2k

  5. csharp-sdk csharp-sdk Public

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

    C# 4.5k 813

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 11k 1.5k

Repositories

Showing 10 of 42 repositories
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector's past year of commit activity
    TypeScript 10,961 1,528 49 5 Updated Sep 26, 2026
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk's past year of commit activity
    Rust 3,953 644 17 (1 issue needs help) 30 Updated Sep 25, 2026
  • ext-apps Public

    Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers

    modelcontextprotocol/ext-apps's past year of commit activity
    TypeScript 2,871 392 127 90 Updated Sep 25, 2026
  • ruby-sdk Public

    The official Ruby SDK for the Model Context Protocol servers and clients.

    modelcontextprotocol/ruby-sdk's past year of commit activity
    Ruby 918 135 3 2 Updated Sep 25, 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 1,462 248 79 (2 issues need help) 17 Updated Sep 25, 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 24,404 MIT 3,975 259 (1 issue needs help) 192 Updated Sep 25, 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 5,149 551 56 (1 issue needs help) 52 Updated Sep 25, 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 13,459 2,223 314 (7 issues need help) 335 Updated Sep 25, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol's past year of commit activity
    TypeScript 9,307 1,833 63 60 Updated Sep 24, 2026
  • ext-skills Public

    MCP Extension for Skills discovery and distribution through MCP primitives. Maintained by the Skills Over MCP Working Group.

    modelcontextprotocol/ext-skills's past year of commit activity
    MDX 686 Apache-2.0 59 12 4 Updated Sep 24, 2026