An open protocol enabling communication and interoperability between opaque agentic applications.

⚡️AI Cloud OS: Open-source enterprise-level AI knowledge base and MCP (model-context-protocol)/A2A (agent-to-agent) management platform with admin UI, user management and Single-Sign-On⚡️, supports ChatGPT, Claude, Llama, Ollama, HuggingFace, etc., chat bot demo: https://ai.casibase.com, admin UI demo: https://ai-admin.casibase.com

Learn Agentic AI using Dapr Agentic Cloud Ascent (DACA) Design Pattern and Agent-Native Cloud Technologies: OpenAI Agents SDK, Memory, MCP, A2A, Knowledge Graphs, Dapr, Rancher Desktop, and Kubernetes.

Building a Secure and Interoperable Future for AI-Driven Payments.

Official Python SDK for the Agent2Agent (A2A) Protocol

⭐零门槛的3D桌面伴侣！支持接入QQ、B站直播、RAG、联网、长期记忆、 酒馆角色卡、代码沙盒、表情包、浏览器控制、Dify、 Home Assistant、MCP、A2A、Comfyui、数字人口播等功能！⭐ A 3D desktop companion with zero barriers! Supports integration with QQ, Bilibili live, RAG, web search, long-term memory, sillyTavern Card, code sandbox, meme packs, browser control, HA, Dify, MCP, A2A, ComfyUI,Digital Human broadcast,more!

A single interface to use and evaluate different agent frameworks

Samples using the Agent2Agent (A2A) Protocol

Agent2Agent (A2A) – awesome A2A agents, tools, servers & clients, all in one place.

Agent2Agent (A2A) – AgentCards, Servers, Clients, Docs

A decentralized agent network for building collaborative, LLM-powered agent-to-agent (A2A) systems.

Java SDK for the Agent2Agent (A2A) Protocol

Agent2Agent (A2A) – awesome A2A agents, tools, servers & clients, all in one place.

Elkar - Task management for AI Agents, ready for Agent2Agent (A2A) protocol

The A2A x402 Extension brings cryptocurrency payments to the Agent-to-Agent (A2A) protocol, enabling agents to monetize their services through on-chain payments. This extension revives the spirit of HTTP 402 "Payment Required" for the decentralized agent ecosystem.

A Production-Ready Runtime Framework for Agent Deployment and Tool Sandbox

C2S Agent is an lightweight AI Agent construction platform that provides configurable online Agents and MCP services, You can configure any HTTP request interface as an MCP tool. C2S Agent 是一个轻量级的AI Agent构建平台，提供在线可配置的Agent，MCP，您可以一个HTTP请求的接口配置成为一个MCP工具，Agent之间可以进行自交流。并提供了单端口多A2A服务，MCP服务的解决方案

Shared Memory Storage for Multi-Agent Systems

trpc-agent-go is a powerful Go framework for building intelligent agent systems using large language models (LLMs) and tools.

User-friendly orchestrator for MCP without hassle with APIs and configs