Official Python SDK for the Agent2Agent (A2A) Protocol

Samples using the Agent2Agent (A2A) Protocol

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

Official Java SDK for the Agent2Agent (A2A) Protocol

A2A4J is a comprehensive Java implementation of the Agent2Agent Protocol, including server, client, examples, and starters.

Community A2A provider for the ai-sdk from vercel

An interactive command-line interface that uses the Agent2Agent (A2A) & Model Context Protocols (MCP) to manage multi-agent systems.

A2A Registry

이 샘플은 에이전트 개발 키트(ADK)를 사용하여 A2A 서버로 호스팅되는 간단한 "weather_time_agent" 에이전트를 만듭니다.

Ruby SDK for Google's Agent2Agent (A2A) Protocol - enabling seamless agent-to-agent communication via JSON-RPC 2.0, gRPC, and HTTP+JSON transports

The A2A AgentKit provides a collection of sample AI agents that implement the Agent-to-Agent (A2A) protocol. These agents showcase interoperable AI systems built with the A2A SDK, integrated with the Genkit framework and powered by Google Gemini AI models.

a Python framework for building and consuming Agent‑to‑Agent (A2A) servers. It draws inspiration from the popular FastMCP project but targets the A2A protocol directly.

Google A2A protocol demo where a CLI client works with a scheduling agent, which in turn coordinates three specialized player agents to arrange a Table Tennis game.

This sample demonstrates a conversational agent built with LlamaIndex Workflows and exposed through the A2A protocol. It showcases file upload and parsing, conversational interactions with support for multi-turn dialogue, streaming responses/updates, and in-line citations.

LangGraph Supervisor with A2A Agent

This is a beginner friendly repo showing how to build multi-agent AI systems using the A2A protocol.

A desktop application focused on empowering the future with AI

A smart movie chatbot built with the Agent-to-Agent (A2A) protocol and Google’s Genkit AI. It features real-time movie data, quote generation, and interactive chat via API and CLI. Ask ChatGPT