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basic.py
"""
Antigravity on AgentOS
======================

Serves an Antigravity-backed agent through AgentOS, with sessions persisted
to a local SQLite database.
"""

from agno.agent import Agent
from agno.db.sqlite import SqliteDb
from agno.models.google import GeminiInteractions
from agno.os import AgentOS

# ---------------------------------------------------------------------------
# Setup
# ---------------------------------------------------------------------------
db = SqliteDb(
    db_file="tmp/antigravity_agentos.db",
)

# ---------------------------------------------------------------------------
# Create Antigravity Agent and AgentOS
# ---------------------------------------------------------------------------
antigravity_agent = Agent(
    db=db,
    id="antigravity-agent",
    model=GeminiInteractions(agent="antigravity-preview-05-2026", environment="remote"),
    add_history_to_context=True,
    num_history_runs=3,
)

agent_os = AgentOS(
    description="Example OS setup",
    agents=[antigravity_agent],
)

# ---------------------------------------------------------------------------
# Create AgentOS App
# ---------------------------------------------------------------------------
app = agent_os.get_app()

# ---------------------------------------------------------------------------
# Run
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    agent_os.serve(app="basic:app", reload=True)

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]" fastmcp google-genai starlette
3

Export your API keys

export GOOGLE_API_KEY="your_google_api_key_here"
export JWT_VERIFICATION_KEY="your_jwt_verification_key_here"
$Env:GOOGLE_API_KEY="your_google_api_key_here"
$Env:JWT_VERIFICATION_KEY="your_jwt_verification_key_here"
4

Run the example

Save the code above as basic.py, then run:
python basic.py
Full source: cookbook/05_agent_os/antigravity/basic.py