https://github.com/aasherkamal216/a2a_protocol

This repository contains a series of hands-on projects designed to master A2A protocol.
https://github.com/aasherkamal216/a2a_protocol

a2a a2a-protocol agents langgraph multi-agent-systems openai-agents-sdk

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This repository contains a series of hands-on projects designed to master A2A protocol.

• Host: GitHub
• URL: https://github.com/aasherkamal216/a2a_protocol
• Owner: aasherkamal216
• Created: 2025-09-08T04:00:58.000Z (9 months ago)
• Default Branch: main
• Last Pushed: 2025-09-17T19:33:24.000Z (9 months ago)
• Last Synced: 2025-09-17T21:41:06.036Z (9 months ago)
• Topics: a2a, a2a-protocol, agents, langgraph, multi-agent-systems, openai-agents-sdk
• Language: Python
• Homepage:
• Size: 942 KB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Learning the Agent2Agent (A2A) Protocol: A Hands-On Guide

![A2A](public/a2a_protocol.jpg)

Welcome! This repository is a collection of tutorials designed to help you understand and build applications using the Agent2Agent (A2A) protocol. We will start from the absolute basics and build our way up to more complex, multi-agent systems and authentication.

### Core A2A Concepts

Before we begin, here are a few key terms you'll encounter:

*   **Agent**: An autonomous program that can reason, plan, and use tools to accomplish goals.

*   **Agent Card**: A JSON "business card" that an agent publishes. It describes what the agent can do (its skills), where to find it (its URL), and how to communicate with it. Agent discovery is the first step in any A2A interaction.

*   **JSON-RPC 2.0**: The message format used for requests and responses over HTTP. It provides a simple, standardized structure for calling methods on a remote server.

*   **Task**: A stateful unit of work. When a client sends a message, the agent server often creates a `Task` to track the progress of the request, especially for long-running operations.

*   **Message**: A single turn of communication within a task, containing content (like text or files) from either the "user" (the client) or the "agent" (the server).

---

> [!NOTE]

> This repository is structured as a series of tutorials. It is recommended to follow them in order.

For more in-depth information, please refer to the [Official A2A Protocol Documentation](https://a2a-protocol.org/).

### Contributing

Contributions are welcome! This is a learning repository, and any improvements, corrections, or new examples can help others learn too.