Official Python SDK for the Agent2Agent (A2A) Protocol

Samples using the Agent2Agent (A2A) Protocol

Official Java SDK for the Agent2Agent (A2A) Protocol

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

Golang SDK for A2A Protocol

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

A2A Protocol client and developer toolkit.

Open Source A2A Protocol Adapter SDK for Different Agent Frameworks

Community A2A provider for the ai-sdk from vercel

A2A Registry

Elixir implementation of the Agent-to-Agent (A2A) protocol (https://a2a-protocol.org).

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

Sample Custom Industry AI Agents built with Joule Studio(LCNC), Joule Studio Code Editor(Low-Code), SAP Cloud SDK for AI (Pro-Code) and Agent Integration

Expose OpenCode through A2A with an inbound server surface and embedded outbound client.

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.

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

Open-source Python framework to deploy AI agents via HTTP, A2A, and MCP with built-in observability

Expose Codex through A2A with an inbound server surface and embedded outbound client.