Basic

Create a basic AI agent with A2A interface

Code

a2a_basic.py

from agno.agent.agent import Agent
from agno.models.openai import OpenAIResponses
from agno.os import AgentOS
from agno.os.interfaces.a2a import A2A

chat_agent = Agent(
    name="Assistant",
    model=OpenAIResponses(id="gpt-5.2"),
    instructions="You are a helpful AI assistant.",
    add_datetime_to_context=True,
    markdown=True,
)

agent_os = AgentOS(
    agents=[chat_agent],
    a2a_interface=True,
)
app = agent_os.get_app()

if __name__ == "__main__":
    agent_os.serve(app="a2a_basic:app", reload=True)

Usage

1. Set up your virtual environment

   Mac

   uv venv --python 3.12
   source .venv/bin/activate
   

   uv venv --python 3.12
   .venv\Scripts\activate
   
2. Set Environment Variables

   export OPENAI_API_KEY=your_openai_api_key
   
3. Install dependencies

   uv pip install -U agno openai a2a-protocol
   
4. Run Example

   python a2a_basic.py
   

Key Features

• A2A Interface: A2A compatible conversation experience
• Real-time Chat: Instant message exchange
• Markdown Support: Rich text formatting in responses
• DateTime Context: Time-aware responses
• Open Protocol: Compatible with A2A frontends