An open protocol that enables seamless integration between LLM applications and external data sources and tools.
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The Model Context Protocol organization on GitHub hosts a wide range of public repositories that facilitate the integration of LLM applications with external data sources and tools. Their primary programming languages include TypeScript, Go, JavaScript, Python, and C#. Notable repositories include the official SDKs for various languages and tools for visual testing.
Top languages
Public repositories
servers
Model Context Protocol Servers
python-sdk
The official Python SDK for Model Context Protocol servers and clients
typescript-sdk
The official TypeScript SDK for Model Context Protocol servers and clients
inspector
Visual testing tool for MCP servers
modelcontextprotocol
Specification and documentation for the Model Context Protocol
registry
A community driven registry service for Model Context Protocol (MCP) servers.
go-sdk
The official Go SDK for Model Context Protocol servers and clients. Maintained in collaboration with Google.
csharp-sdk
The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.
rust-sdk
The official Rust SDK for the Model Context Protocol
java-sdk
The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI
ext-apps
Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers
mcpb
Desktop Extensions: One-click local MCP server installation in desktop apps
php-sdk
The official PHP SDK for Model Context Protocol servers and clients. Maintained in collaboration with The PHP Foundation.
swift-sdk
The official Swift SDK for Model Context Protocol servers and clients.
kotlin-sdk
The official Kotlin SDK for Model Context Protocol servers and clients. Maintained in collaboration with JetBrains
quickstart-resources
A repository of servers and clients from the Model Context Protocol tutorials
use-mcp
No description provided for this repository.
ruby-sdk
The official Ruby SDK for the Model Context Protocol.
create-python-server
Create a Python MCP server
docs
Documentation for the Model Context Protocol (MCP)
servers-archived
Reference MCP servers that are no longer maintained
create-typescript-server
CLI tool to create a new TypeScript MCP server
experimental-ext-skills
Experimental exploration of skills discovery and distribution through MCP primitives. Maintained by the Skills Over MCP Working Group.
ext-auth
Extensions to authorization
.github
Discussions and README for Model Context Protocol
example-remote-server
A hosted version of the Everything server - for demonstration and testing purposes, hosted at https://example-server.modelcontextprotocol.io/mcp
conformance
Conformance Tests for MCP
financial-services-interest-group
Financial Services Interest Group
access
Infrastructure as Code for MCP access management
example-remote-client
No description provided for this repository.
experimental-ext-interceptors
Status: Experimental. This repository provides a multi-language reference implementation of the proposed interceptor extension for the Model Context Protocol (MCP), as described in SEP-1763.
transports-wg
Transports Working Group
dns
Infrastructure as Code for MCP domains / DNS management
experimental-ext-triggers-events
Incubation space for the MCP Triggers & Events Working Group
experimental-ext-grouping
About experimental exploration of organization for MCP primitives. Maintained by the Primitive Grouping Interest Group.
static
want a static file hosted somewhere? static.modelcontextprotocol.io is somewhere!
experimental-ext-variants
Status: Experimental. This repository provides a multi-language reference implementation of the variants proposal for the Model Context Protocol (MCP), as described in SEP-2053.
agents-wg
Staging grounds for the Agents Working Group
ext-tasks
Status: Experimental. This repository provides a reference for the tasks extensions to the MCP protocol, allowing for long-running operations, such as Agent communication, in MCP.
experimental-ext-server-card
No description provided for this repository.
experimental-ext-tool-annotations
Repository for the Tool Annotations Interest Group
actions
GitHub Actions relevant to the management of MCP repositories.
Frequently asked questions
What does modelcontextprotocol build on GitHub?
Model Context Protocol builds a variety of tools and SDKs on GitHub, including official SDKs for Python, TypeScript, Go, C#, and Java. These projects are designed to enhance integration with their protocol.
Which programming languages does modelcontextprotocol use?
The primary programming languages used by modelcontextprotocol include TypeScript, Go, JavaScript, Python, C#, and MDX. These languages support the development of their diverse repositories.
Are modelcontextprotocol's repositories public?
Yes, all repositories under the modelcontextprotocol organization are public on GitHub. This transparency allows users and developers to access their projects and contribute to the Model Context Protocol.
Is this exposure intended?
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