🌐Web Agent Protocol (WAP) - Record and replay user interactions in the browser with MCP support
The official Rust SDK for the Model Context Protocol
The official Python SDK for Model Context Protocol servers and clients
The official Ruby SDK for the Model Context Protocol servers and clients.
The official TypeScript SDK for Model Context Protocol servers and clients
The official Go SDK for Model Context Protocol servers and clients. Maintained in collaboration with Google.
The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI
The official PHP SDK for Model Context Protocol servers and clients. Maintained in collaboration with The PHP Foundation.
The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.
MCPSharp is a .NET library that helps you build Model Context Protocol (MCP) servers and clients - the standardized API protocol used by AI assistants and models.
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.
Build effective agents using Model Context Protocol and simple workflow patterns
Absurdly easy Model Context Protocol Servers in Typescript

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.
A generic, modular server for implementing the Model Context Protocol (MCP).
A type-safe implementation of the official Model Context Protocol (MCP) schema in Rust.
Modex is a Clojure MCP Library to augment your AI models with Tools, Resources & Prompts using Clojure (Model Context Protocol). Implements MCP Server & Client.
C++ MCP SDK - build Model Context Protocol (MCP) servers and clients in C++ / CPP. Enterprise-grade security, observability, connectivity. Stdio, HTTP+SSE, Streamable HTTP, WebSocket, TCP transports. Bindings for Python, TypeScript, Go, Rust, Java, C#.
UI over MCP. Create next-gen UI experiences with the protocol and SDK!
Connect AI agents across any network — zero config, encrypted, skill-based routing
A TypeScript SDK for implementing Model Context Protocol (MCP) over MQTT, supporting both browser and Node.js environments.
Config-driven engine that turns JSON into production-grade AI agents. Multi-agent orchestration, 12+ LLM providers, MCP/A2A protocols, RAG, persistent memory, and enterprise compliance (EU AI Act, GDPR, HIPAA). Built on Quarkus.

A framework helps you quickly build AI Native IDE products. MCP Client, supports Model Context Protocol (MCP) tools via MCP server.
1flowbase: self-hosted AI gateway with protocol translation, dispatch, chat logs, built-in backend & React blocks to combine AI with business data. All managed by your Agent via MCP.