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"""
AgentOS Registry Demo
=====================

Demonstrates using Registry with AgentOS for tools, functions, schemas,
models, and vector database components.
"""

from agno.db.postgres import PostgresDb
from agno.models.anthropic import Claude
from agno.models.google.gemini import Gemini
from agno.models.openai import OpenAIChat
from agno.os import AgentOS
from agno.registry import Registry
from agno.tools.calculator import CalculatorTools
from agno.tools.parallel import ParallelTools
from agno.tools.youtube import YouTubeTools
from agno.vectordb.pgvector import PgVector
from pydantic import BaseModel

# ---------------------------------------------------------------------------
# Setup
# ---------------------------------------------------------------------------
db = PostgresDb(db_url="postgresql+psycopg://ai:ai@localhost:5532/ai", id="postgres_db")
pgvector = PgVector(
    db_url="postgresql+psycopg://ai:ai@localhost:5532/ai", table_name="custom_table"
)


def custom_function(input: str) -> str:
    return input + "Hello, world!"


class CustomInputSchema(BaseModel):
    input: str
    description: str


class CustomOutputSchema(BaseModel):
    output: str
    description: str


def custom_tool(input: str) -> str:
    return input + "Hello, world!"


# ---------------------------------------------------------------------------
# Create Registry
# ---------------------------------------------------------------------------
registry = Registry(
    name="Agno Registry",
    tools=[ParallelTools(), CalculatorTools(), YouTubeTools(), custom_tool],
    functions=[custom_function],
    schemas=[CustomInputSchema, CustomOutputSchema],
    models=[
        OpenAIChat(id="gpt-5-mini"),
        OpenAIChat(id="gpt-5"),
        Claude(id="claude-sonnet-4-5"),
        Gemini(id="gemini-3-flash-preview"),
    ],
    dbs=[db],
    vector_dbs=[pgvector],
)

# ---------------------------------------------------------------------------
# Create AgentOS App
# ---------------------------------------------------------------------------
agent_os = AgentOS(
    id="demo-agent-os",
    registry=registry,
    db=db,
)

app = agent_os.get_app()

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

​
Run the Example

# Clone and setup repo
git clone https://github.com/agno-agi/agno.git
cd agno/cookbook/93_components

# Create and activate virtual environment
./scripts/demo_setup.sh
source .venvs/demo/bin/activate

# Optiona: Run PgVector (needs docker)
./cookbook/scripts/run_pgvector.sh

python demo.py