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Model Context Protocol An open protocol that enables seamless integration between LLM applications and external data sources and tools. * Verified We've verified that the organization modelcontextprotocol controls the domain: * modelcontextprotocol.io Learn more about verified organizations * * 50.5k followers * https://modelcontextprotocol.io * Overview * Repositories * Projects * Packages * People More * Overview * Repositories * Projects * Packages * People README.md Model Context Protocol 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 * 📚 Read the Documentation for guides and tutorials * 🔍 Review the Specification for protocol details * 💻 Use our SDKs to start building: * TypeScript SDK * Python SDK * Java SDK * Kotlin SDK * C# SDK * Go SDK * PHP SDK * Ruby SDK * Rust SDK * Swift SDK Project Structure * modelcontextprotocol - User documentation and protocol specification * typescript-sdk - TypeScript implementation * python-sdk - Python implementation * java-sdk - Java implementation * kotlin-sdk - Kotlin implementation * csharp-sdk - C# implementation * go-sdk - Go implementation * php-sdk - PHP implementation * ruby-sdk - Ruby implementation * rust-sdk - Rust implementation * swift-sdk - Swift implementation * create-kotlin-server - Kotlin sample server * servers - List of maintained servers * ext-auth - List of authorization extensions 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 * modelcontextprotocol modelcontextprotocol Public Specification and documentation for the Model Context Protocol TypeScript 9.2k 1.8k * servers servers Public Model Context Protocol Servers TypeScript 90.2k 11.6k * python-sdk python-sdk Public The official Python SDK for Model Context Protocol servers and clients Python 24.2k 3.9k * typescript-sdk typescript-sdk Public The official TypeScript SDK for Model Context Protocol servers and clients TypeScript 13.3k 2.2k * csharp-sdk csharp-sdk Public The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft. C# 4.5k 804 * inspector inspector Public Visual testing tool for MCP servers TypeScript 10.8k 1.5k Repositories Loading Type Select type All Public Sources Forks Archived Mirrors Templates Language Select language All C# Go HTML Java JavaScript Kotlin MDX PHP Python Ruby Rust Swift TypeScript Sort Select order Last updated Name Stars Showing 10 of 42 repositories * python-sdk Public The official Python SDK for Model Context Protocol servers and clients Uh oh! There was an error while loading. Please reload this page . modelcontextprotocol/python-sdk's past year of commit activity Python 24,244 MIT 3,891 220 (1 issue needs help) 182 Updated Sep 8, 2026 * experimental-ext-triggers-events Public Incubation space for the MCP Triggers & Events Working Group Uh oh! There was an error while loading. Please reload this page . modelcontextprotocol/experimental-ext-triggers-events's past year of commit activity 19 Apache-2.0 4 1 1 Updated Sep 8, 2026 * rust-sdk Public The official Rust SDK for the Model Context Protocol modelcontextprotocol/rust-sdk's past year of commit activity Rust 3,898 633 25 (1 issue needs help) 35 Updated Sep 8, 2026 * ext-apps Public Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers Uh oh! There was an error while loading. Please reload this page . modelcontextprotocol/ext-apps's past year of commit activity TypeScript 2,805 376 124 83 Updated Sep 8, 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# 4,521 804 121 (13 issues need help) 54 Updated Sep 8, 2026 * kotlin-sdk Public The official Kotlin SDK for Model Context Protocol servers and clients. Maintained in collaboration with JetBrains Uh oh! There was an error while loading. Please reload this page . modelcontextprotocol/kotlin-sdk's past year of commit activity Kotlin 1,450 244 68 (2 issues need help) 12 Updated Sep 8, 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 3,684 MIT 1,144 115 (2 issues need help) 154 Updated Sep 8, 2026 * inspector Public Visual testing tool for MCP servers Uh oh! There was an error while loading. Please reload this page . modelcontextprotocol/inspector's past year of commit activity TypeScript 10,841 1,506 22 1 Updated Sep 8, 2026 * modelcontextprotocol Public Specification and documentation for the Model Context Protocol Uh oh! There was an error while loading. Please reload this page . modelcontextprotocol/modelcontextprotocol's past year of commit activity TypeScript 9,163 1,783 68 77 Updated Sep 8, 2026 * ext-skills Public Experimental exploration of skills discovery and distribution through MCP primitives. Maintained by the Skills Over MCP Working Group. Uh oh! There was an error while loading. Please reload this page . modelcontextprotocol/ext-skills's past year of commit activity MDX 211 Apache-2.0 31 10 7 Updated Sep 8, 2026 View all repositories People View all Top languages Loading… Uh oh! There was an error while loading. Please reload this page . Most used topics Loading… Uh oh! There was an error while loading. Please reload this page . 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