Open source. Open possibilities.

The official Python SDK for the Model Context Protocol (MCP), enabling the creation of standardized servers and clients for LLM applications.

AWS Labs' open-source collection of Model Context Protocol (MCP) servers for AWS services, enabling AI assistants to interact with AWS APIs securely.

Karma is a modular Go utility library offering prebuilt solutions for authentication, SQL parsing, middleware, third-party API integration (Twilio, OpenAI), and file management to reduce boilerplate in backend development.

Reticle is a proxy and desktop UI for debugging MCP integrations. It intercepts, visualizes, and profiles MCP JSON-RPC traffic in real time with microsecond-level overhead, letting developers inspect messages, correlate request-response pairs, profile latency, capture server errors, and record sessions for export.

Gemini CLI is an open-source AI agent that integrates Gemini models directly into the terminal, providing developers with a command-line interface for AI-assisted coding and automation.