Contents

• MCP (Model Context Protocol) - Agent Connecting to External World
  • MCP Protocols
  • SDKs/Libraries
  • Tools
  • Applications
• A2A (Agent-to-Agent) - Agent Collaboration
  • A2A Protocols
  • Multi-Agent Frameworks
  • Coordination Tools
• ACP (Agent Client Protocol) - Agent Client Protocol
  • ACP Protocols
  • Desktop Apps
  • Web Apps
  • Mobile Apps

MCP (Model Context Protocol) - Agent Connecting to External World

MCP is a standard protocol for connecting Agents to the external world, enabling Agents to access file systems, databases, APIs, and other resources.

MCP Protocols

• Model Context Protocol - Official MCP protocol documentation and specification by Anthropic
• mcp - Official MCP implementation and SDK

SDKs/Libraries

• mcp-python - Python SDK for creating MCP servers
• mcp-typescript - TypeScript/JavaScript SDK
• mcp-go - Go SDK

Tools

• mcp-cli - MCP command-line tool
• mcp-inspector - MCP server inspection tool

Applications

• Claude Desktop - Claude desktop client with MCP support
• openEuler Intelligence - Intelligent LLM platform with MCP service management
• Operit AI - Android AI assistant with full MCP support

A2A (Agent-to-Agent) - Agent Collaboration

Communication protocols, collaboration frameworks, and coordination tools between Agents.

A2A Protocols

• Agent2Agent (A2A) - Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.
• Agent2Agent (A2A) Protocol - An open protocol enabling communication and interoperability between opaque agentic applications.

Multi-Agent Frameworks

• AutoGen - Microsoft multi-agent conversation framework
• LangGraph - LangChain's multi-agent graph framework
• CrewAI - Collaborative multi-agent framework
• MetaGPT - Software company multi-agent system
• ChatDev - Virtual software development company
• Agents - An Open-source Framework for Autonomous Language Agents

Coordination Tools

• AgentOps - Agent observability and debugging tool
• LangSmith - LangChain's Agent debugging platform
• AgentBoard - Multi-agent system monitoring dashboard

ACP (Agent Client Protocol) - Agent Client Protocol

Client protocols and applications for Agent interaction with humans.

ACP Protocols

• acpx - Headless CLI client for stateful Agent Client Protocol (ACP) sessions.

Desktop Apps

• IntelliBar - macOS menu bar AI assistant
• MacGPT - Native macOS AI app
• Chatbox - Cross-platform AI chat client
• SwiftChat - Cross-platform AI chat app built with React Native

Web Apps

• ChatGPT - OpenAI ChatGPT web version
• Claude - Anthropic Claude web version
• Chatbot UI - Open-source AI chat interface
• ChatGPT Next Web - Cross-platform ChatGPT client

Mobile Apps

• Petey - iOS and watchOS AI app
• ChatGPT Android - ChatGPT Android client
• ETOS LLM Studio - watchOS and iOS flagship AI client
• xhai Browser - Android desktop management & AI browser with DeepSeek as default AI engine

Contributing

Contributions welcome! Please see the Contributing Guide for how to participate.

License

CC0-1.0