> ## Documentation Index
> Fetch the complete documentation index at: https://spacesail.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# AgentOS Demo

> AgentOS demo with agents and teams

Here is a full example of an AgentOS with multiple agents and teams. It also shows how to instantiate agents with a database, knowledge base, and tools.

## Code

```python cookbook/agent_os/demo.py theme={null}
"""
AgentOS Demo

Prerequisites:
pip install -U fastapi uvicorn sqlalchemy pgvector psycopg openai ddgs mcp
"""

from agno.agent import Agent
from agno.db.postgres import PostgresDb
from agno.knowledge.knowledge import Knowledge
from agno.models.openai import OpenAIChat
from agno.os import AgentOS
from agno.team import Team
from agno.tools.duckduckgo import DuckDuckGoTools
from agno.tools.mcp import MCPTools
from agno.vectordb.pgvector import PgVector

# Database connection
db_url = "postgresql+psycopg://ai:ai@localhost:5532/ai"

# Create Postgres-backed memory store
db = PostgresDb(db_url=db_url)

# Create Postgres-backed vector store
vector_db = PgVector(
    db_url=db_url,
    table_name="agno_docs",
)
knowledge = Knowledge(
    name="Agno Docs",
    contents_db=db,
    vector_db=vector_db,
)

# Create your agents
agno_agent = Agent(
    name="Agno Agent",
    model=OpenAIChat(id="gpt-4.1"),
    tools=[MCPTools(transport="streamable-http", url="https://docs.agno.com/mcp")],
    db=db,
    enable_user_memories=True,
    knowledge=knowledge,
    markdown=True,
)

simple_agent = Agent(
    name="Simple Agent",
    role="Simple agent",
    id="simple_agent",
    model=OpenAIChat(id="gpt-5-mini"),
    instructions=["You are a simple agent"],
    db=db,
    enable_user_memories=True,
)

research_agent = Agent(
    name="Research Agent",
    role="Research agent",
    id="research_agent",
    model=OpenAIChat(id="gpt-5-mini"),
    instructions=["You are a research agent"],
    tools=[DuckDuckGoTools()],
    db=db,
    enable_user_memories=True,
)

# Create a team
research_team = Team(
    name="Research Team",
    description="A team of agents that research the web",
    members=[research_agent, simple_agent],
    model=OpenAIChat(id="gpt-5-mini"),
    id="research_team",
    instructions=[
        "You are the lead researcher of a research team! 🔍",
    ],
    db=db,
    enable_user_memories=True,
    add_datetime_to_context=True,
    markdown=True,
)

# Create the AgentOS
agent_os = AgentOS(
    id="agentos-demo",
    agents=[agno_agent],
    teams=[research_team],
)
app = agent_os.get_app()


if __name__ == "__main__":
    agent_os.serve(app="demo:app", port=7777)
```

## Usage

<Steps>
  <Snippet file="create-venv-step.mdx" />

  <Step title="Set Environment Variables">
    ```bash theme={null}
    export OPENAI_API_KEY=your_openai_api_key
    export OS_SECURITY_KEY=your_security_key  # Optional for authentication
    ```
  </Step>

  <Step title="Install libraries">
    ```bash theme={null}
    pip install -U fastapi uvicorn sqlalchemy pgvector psycopg openai ddgs mcp agno
    ```
  </Step>

  <Step title="Setup PostgreSQL Database">
    ```bash theme={null}
    # Using Docker
    docker run -d \
      --name agno-postgres \
      -e POSTGRES_DB=ai \
      -e POSTGRES_USER=ai \
      -e POSTGRES_PASSWORD=ai \
      -p 5532:5432 \
      pgvector/pgvector:pg17
    ```
  </Step>

  <Step title="Run Example">
    <CodeGroup>
      ```bash Mac theme={null}
      python cookbook/agent_os/demo.py
      ```

      ```bash Windows theme={null}
      python cookbook/agent_os/demo.py
      ```
    </CodeGroup>
  </Step>
</Steps>