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 7.2k 1.3k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 79k 9.6k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 21.7k 3.1k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 11.6k 1.6k

  5. csharp-sdk csharp-sdk Public

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

    C# 3.9k 628

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 8.7k 1.2k

Repositories

Showing 10 of 36 repositories
  • 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# 3,912 628 117 19 Updated Feb 20, 2026
  • access Public

    Infrastructure as Code for MCP access management

    modelcontextprotocol/access’s past year of commit activity
    TypeScript 30 35 0 2 Updated Feb 19, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol’s past year of commit activity
    TypeScript 7,245 1,318 189 92 Updated Feb 20, 2026
  • registry Public

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

    modelcontextprotocol/registry’s past year of commit activity
    Go 6,435 610 110 17 Updated Feb 19, 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 1,550 180 48 59 Updated Feb 19, 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 11,637 1,624 192 (10 issues need help) 122 Updated Feb 19, 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 21,727 MIT 3,097 244 (1 issue needs help) 123 Updated Feb 19, 2026
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    TypeScript 79,000 9,573 241 99 Updated Feb 19, 2026
  • 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 3,182 MIT 809 169 92 Updated Feb 19, 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 3,886 356 41 (1 issue needs help) 17 Updated Feb 19, 2026