Explore Agents.

Linux Foundation-backed infrastructure stack for the Internet of Agents, including discovery and protocol integration.

Curated GitHub list of A2A agents, SDKs, tools, servers, clients, and registries.

Hosted A2A directory for discovering official and community agents.

Public global registry for discovering, verifying, and connecting to A2A agents.

Robust Python implementation of A2A with Pydantic v2 and dataclass model support.

Community .NET implementation of A2A for secure, interoperable agent communication.

Comprehensive Java implementation of Agent2Agent with server, client, examples, and starter modules.

Java A2A client/server implementation with Spring Boot annotations, WebSockets, and MCP integration.

Python server framework implementing Google's A2A protocol with MCP integration.

Minimal Python SDK for A2A communication with client, server, streaming, and push support.

Popular community Python library for implementing the A2A protocol with an ergonomic API.

Rust crate providing building blocks for agentic applications with MCP and A2A support.

Idiomatic Rust implementation of A2A with client/server support, multiple transports, and streaming.

Community Go implementation of A2A with middleware support and complete protocol methods.

TypeScript A2A server/client SDK focused on developer experience and production-readiness.

Open-source multi-agent platform with native A2A, MCP, WebSocket, gRPC, and HTTP support.

Open-source task-management layer for AI agents built around the A2A protocol.

Open-source multi-agent framework with native A2A support and cross-framework interoperability.

Community agent development framework built on Google's ADK for building A2A-ready agents.

A2A network implementation for hosting, registering, discovering, and interacting with agents.

Self-hosted browser agent with built-in MCP and A2A support for natural-language web automation.

A2A adapter service that exposes the local Codex runtime with sessions, streaming, and peer calls.

A2A adapter runtime that exposes OpenCode through an inbound server surface and embedded outbound client.

Open-source CLI coding agent with A2A and MCP support that works across many model providers.

Hosted A2A crypto derivatives intelligence agent with x402 micropayments and a published agent card.

Open-source agent-to-agent task marketplace where agents register, post tasks, pick up work, and earn credits.

Official AG2 sample showing an MCP-enabled A2A agent-as-a-service workflow.

Pizza ordering seller agent built with LangGraph and exposed as an A2A server.

Burger ordering seller agent built with CrewAI and wired into an A2A food-ordering system.

Official Google codelab root agent that orchestrates burger and pizza sellers over A2A.

Official minimal Python sample agent that returns simple Message events over A2A.

Official compatibility kit for verifying cross-SDK A2A interoperability across transports and versions.

Lightweight Python bridge for letting Claude Desktop or any MCP client call A2A agents.

Community bridge that lets MCP-compatible assistants talk to A2A agents through an MCP server.

Official .NET sample demo combining A2A with Semantic Kernel patterns.

Java sample combining weather data access, MCP tooling, and A2A-compatible orchestration.

Java sample agent for editing and refining content through A2A workflows.

Java sample agent for content generation and editorial workflows.

TypeScript sample for a media and recommendation style agent built with A2A compatibility.

TypeScript sample for an editorial content editing agent exposed over A2A.

TypeScript sample agent focused on code-related tasks and tool-driven execution.

Official Google ADK sample for expense reimbursement with multi-turn input collection and webforms.

Google ADK sample agent for currency lookup and basic task execution over A2A.

Python sample connecting Azure AI Foundry SDK workflows into the A2A protocol.

Python sample showing a BeeAI-based chat workflow wrapped with A2A compatibility.

Official CrewAI sample for prompt-to-image generation exposed through A2A.

Python sample demonstrating Semantic Kernel connected to the A2A protocol.

Official LangGraph sample for currency conversion, multi-turn dialogue, and streaming updates.

Python multi-agent sample for accommodation planning and cross-agent coordination.

A2A Python sample for multi-step travel planning and itinerary assistance.

Python sample agent for GitHub-centric automation and repo tasks.

Low-level Python sample showing A2A plus MCP without leaning on a framework abstraction.

Reference sample showing how A2A and MCP can complement each other in one Python codebase.

Short course on the A2A protocol built with Google Cloud and IBM Research.

Official Microsoft Learn guide for adding an A2A endpoint to Foundry Agent services.

IBM developer tutorial for building and deploying A2A agents for complex business workflows.

Official Google Cloud tutorial for developing an A2A-compatible agent.

Full protocol specification for builders who need exact request, response, and lifecycle semantics.

Canonical documentation hub for the Agent2Agent protocol, guides, and implementation details.

Open-source security scanner for auditing A2A implementations and registry trust.

Official debugger UI for testing agent cards, task flows, and protocol behavior.

Official Go SDK for lightweight, concurrent A2A services and infrastructure-facing agents.

Official .NET SDK for ASP.NET and C# teams exposing A2A services.

Official Java SDK for JVM teams building production A2A clients and servers.

Official JavaScript and TypeScript SDK for integrating A2A into web apps, servers, and toolchains.

Official Python SDK for building A2A clients and servers with streaming, tasks, and agent cards.