Core Topics

A2A Protocol Core Topics

This section covers the core concepts and key topics of the A2A Protocol. It will help you understand the protocol’s design principles, technical architecture, and practical usage.

📚 Topic Guide

🎯 Fundamentals

• What is A2A? - The protocol’s value proposition and design philosophy
• Key Concepts - AgentCard, Task, Message, Artifact, and other fundamentals

🔧 Technical Deep Dives

• Agent Discovery - How agents discover and connect to each other
• Life of a Task - A deep dive into the full task lifecycle
• Streaming and Async - Real-time communication and long-running tasks

🏢 Enterprise Features

• Enterprise-ready Features - Security, authentication, and scalability
• Extensions - Custom protocol extensions and advanced features

🔗 Ecosystem Integration

• A2A and MCP - Relationship and differences with the Model Context Protocol

💡 Suggested Learning Paths

🚀 Beginner Path

1. Start with What is A2A? to understand the basics
2. Read Key Concepts to learn essential terms and components
3. Learn how Agent Discovery works

🔨 Developer Path

1. Master the technical details in Life of a Task
2. Learn Streaming and Async
3. Explore advanced capabilities in Extensions

🏢 Enterprise Path

1. Review security features in Enterprise-ready Features
2. Understand ecosystem positioning via A2A and MCP
3. Evaluate A2A’s fit for enterprise environments

Tip: Each topic includes examples and best practices. Pair this with Getting Started and the Python tutorial as you learn.