basic.py
"""
Serve an Agent over AG-UI
=========================
Mount one Agent on AgentOS's AG-UI interface and expose its response as an
AG-UI server-sent event stream.
Prerequisites: OPENAI_API_KEY
Run: .venvs/demo/bin/python cookbook/05_agent_os/16_agui/basic.py
Try: GET http://localhost:7777/status, then POST an AG-UI request to /agui
"""
from agno.agent import Agent
from agno.db.sqlite import SqliteDb
from agno.models.openai import OpenAIResponses
from agno.os import AgentOS
from agno.os.interfaces.agui import AGUI
# ---------------------------------------------------------------------------
# Create AG-UI AgentOS
# ---------------------------------------------------------------------------
db = SqliteDb(
id="agui-basic-db",
db_file="tmp/agui_basic.db",
)
assistant = Agent(
id="agui-assistant",
name="AG-UI Assistant",
model=OpenAIResponses(id="gpt-5.5"),
db=db,
instructions="Answer clearly and concisely.",
)
agent_os = AgentOS(
id="agui-basic-os",
description="A minimal AgentOS with one AG-UI interface.",
agents=[assistant],
interfaces=[AGUI(agent=assistant)],
)
app = agent_os.get_app()
# ---------------------------------------------------------------------------
# Run AG-UI Server
# ---------------------------------------------------------------------------
if __name__ == "__main__":
agent_os.serve(app=app)
Run the Example
1
Set up your virtual environment
uv venv --python 3.12
source .venv/bin/activate
uv venv --python 3.12
.venv\Scripts\activate
2
Install dependencies
uv pip install -U "agno[agui,os]" openai
3
Export your OpenAI API key
export OPENAI_API_KEY="your_openai_api_key_here"
$Env:OPENAI_API_KEY="your_openai_api_key_here"
4
Run the example
Save the code above as
basic.py, then run:python basic.py