Basic A2A Messaging with A2AClient

This example demonstrates simple message sending with user identification using the A2A protocol.

"""
Basic A2A Messaging with A2AClient

This example demonstrates simple message sending with user identification
using the A2A protocol.

Prerequisites:
1. Start an AgentOS server with A2A interface:
   python cookbook/06_agent_os/client_a2a/servers/agno_server.py

2. Run this script:
   python cookbook/06_agent_os/client_a2a/01_basic_messaging.py
"""

import asyncio

from agno.client.a2a import A2AClient

# ---------------------------------------------------------------------------
# Create Example
# ---------------------------------------------------------------------------


async def main():
    """Send message with user identification."""
    print("=" * 60)
    print("A2A Messaging with User ID")
    print("=" * 60)

    client = A2AClient("http://localhost:7003/a2a/agents/basic-agent")
    result = await client.send_message(
        message="Remember my name is Alice.",
        user_id="alice-123",
    )

    print(f"\nTask ID: {result.task_id}")
    print(f"Context ID: {result.context_id}")
    print(f"Status: {result.status}")
    print(f"\nResponse: {result.content}")

    if result.is_completed:
        print("\nTask completed successfully!")
    elif result.is_failed:
        print("\nTask failed!")


# ---------------------------------------------------------------------------
# Run Example
# ---------------------------------------------------------------------------

if __name__ == "__main__":
    asyncio.run(main())

Run the Example

# Clone and setup repo
git clone https://github.com/agno-agi/agno.git
cd agno/cookbook/05_agent_os/client_a2a

# Create and activate virtual environment
./scripts/demo_setup.sh
source .venvs/demo/bin/activate

python 01_basic_messaging.py