metrics.py
"""
Refresh and Read AgentOS Metrics
================================
Create a persisted agent run, refresh daily aggregates through
POST /metrics/refresh, then read the stored result through GET /metrics.
Prerequisites: OPENAI_API_KEY
Run: .venvs/demo/bin/python cookbook/05_agent_os/13_observability/metrics.py
Try: Compare agent_runs_count and total_tokens after another run
"""
import asyncio
import httpx
from agno.agent import Agent
from agno.db.sqlite import SqliteDb
from agno.models.openai import OpenAIResponses
from agno.os import AgentOS
# ---------------------------------------------------------------------------
# Create Metrics App
# ---------------------------------------------------------------------------
AGENT_ID = "metrics-agent"
DB_ID = "observability-metrics-db"
db = SqliteDb(
id=DB_ID,
db_file="tmp/observability_metrics.db",
)
metrics_agent = Agent(
id=AGENT_ID,
name="Metrics Agent",
model=OpenAIResponses(id="gpt-5.5"),
instructions="Reply in one short sentence.",
)
agent_os = AgentOS(
id="observability-metrics-os",
description="Refresh and inspect daily AgentOS metrics.",
db=db,
agents=[metrics_agent],
)
app = agent_os.get_app()
# ---------------------------------------------------------------------------
# Run Metrics Readback
# ---------------------------------------------------------------------------
async def run_metrics_demo() -> None:
"""Generate session data, refresh metrics, and read the aggregate."""
await metrics_agent.arun(
"Reply with a short statement about observable systems.",
session_id="observability-metrics-session",
user_id="observability-user",
)
transport = httpx.ASGITransport(app=app)
async with httpx.AsyncClient(
transport=transport,
base_url="http://agent-os",
) as client:
refresh_response = await client.post(
"/metrics/refresh",
params={"db_id": DB_ID},
)
refresh_response.raise_for_status()
refreshed_metrics = refresh_response.json()
if not refreshed_metrics:
raise RuntimeError("POST /metrics/refresh returned no daily aggregate")
metrics_response = await client.get(
"/metrics",
params={"db_id": DB_ID},
)
metrics_response.raise_for_status()
metrics_page = metrics_response.json()
if not metrics_page["metrics"]:
raise RuntimeError("GET /metrics returned no stored aggregate")
latest = max(metrics_page["metrics"], key=lambda metric: metric["date"])
if latest["agent_runs_count"] < 1:
raise RuntimeError("The refreshed aggregate omitted the new agent run")
print(f"POST /metrics/refresh returned {len(refreshed_metrics)} day(s)")
print(f"GET /metrics returned {len(metrics_page['metrics'])} day(s)")
print(f"Date: {latest['date']}")
print(f"Agent runs: {latest['agent_runs_count']}")
print(f"Agent sessions: {latest['agent_sessions_count']}")
print(f"Users: {latest['users_count']}")
print(f"Total tokens: {latest['token_metrics'].get('total_tokens', 0)}")
if __name__ == "__main__":
asyncio.run(run_metrics_demo())
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[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
metrics.py, then run:python metrics.py