A Model Context Protocol (MCP) client library and debugging toolkit in Rust. This foundation provides both a production-ready SDK for building MCP integrations and the core architecture for an interactive debugger.

The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

TypeScript-first framework for the Model Context Protocol (MCP). You write clean, typed code; FrontMCP handles the protocol, transport, DI, session/auth, and execution flow.

Model Context Protocol management suite/factory. An MCP that can generate and manage other local MCPs in multiple languages. Uses the official SDKs for code gen.

MCP Server Framework and Tool Development library for building custom capabilities into agents.

Agent-native TypeScript framework for MCP servers.

The full-stack TypeScript framework to build, test, and deploy production-ready MCP servers and AI-native apps.

Rails Engine with MCP compliant Spec.

A Go framework for building production agent systems with graph workflows, tools, memory, A2A, AG-UI, MCP, evaluation, and observability.