A2A Protocol Documentation

Welcome to the A2A Protocol documentation. This documentation will help you understand and use the A2A Protocol effectively.

Quick Links

Introduction

• Understanding A2A Protocol
• A2A vs MCP
• AI Protocols Analysis Report

Development Guides

• A2A TypeScript Guide
• Python A2A Guide
• A2A SDK Python
• A2A SDK Python (中文)
• A2A Java Sample

Tutorials

• Python A2A Tutorial (Official)
• Python A2A Tutorial with Source Code
• A2A LangGraph Tutorial
• A2A SDK Currency Agent Tutorial

Examples & Resources

• A2A Samples Hello World
• A2A Sample Methods and JSON Responses
• Awesome A2A
• A2A Travel Planner OpenRouter
• A2A Implementations

Features

• Universal Interoperability: Seamless communication between AI agents across different platforms and frameworks
• Enterprise-Grade Security: Built-in authentication, authorization, and end-to-end encryption
• Flexible & Scalable: Support for both quick tasks and long-running research with real-time feedback
• Dynamic Collaboration: Enables AI agents to discover, communicate, and cooperate with each other
• Open Standard: Platform and framework agnostic, supporting various AI models and architectures
• Cost-Effective: Leverage existing AI investments with reduced development time