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🕒 TellTimeAgent – Google A2A Protocol Demo

This project demonstrates a minimal implementation of Google's Agent-to-Agent (A2A) protocol using Python. It features:

• A simple A2A server agent (TellTimeAgent) built with Flask
• A client agent that discovers and communicates with it
• Full compliance with the A2A message structure and discovery flow

This is perfect for beginners who want to understand how agents discover each other and exchange messages using A2A.

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🚀 Features

• Implements A2A discovery via /.well-known/agent.json
• Exposes a tasks/send endpoint for receiving tasks
• Replies to queries with the current system time
• Client generates a task and parses the response using A2A conventions

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📂 Project Structure

a2a_samples/
├── server/
│   └── tell_time_server.py       # Flask-based A2A server agent
├── client/
│   └── time_client.py            # A2A client agent that queries the server

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🧪 How to Run

1. Install dependencies

pip install flask requests

2. Start the server

cd a2a_samples/server
python tell_time_server.py

3. Run the client

In a separate terminal:

cd a2a_samples/client
python time_client.py

✅ Output

Connected to: TellTimeAgent – Tells the current time when asked.
Agent says: The current time is: 2025-04-16 22:10:45

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📖 Learn More

Want to understand the A2A protocol in detail?

• A2A GitHub Repository
• A2A Protocol Documentation

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📜 License

This project is licensed under the GNU General Public License v3.0.
See the LICENSE file for full details.