> ## Documentation Index
> Fetch the complete documentation index at: https://agno-v2-service-account.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Include Exclude Tools Custom Toolkit

> Restrict a custom customer database Toolkit to read-only functions with include_tools.

```python include_exclude_tools_custom_toolkit.py theme={null}
"""
Include Exclude Tools Custom Toolkit
=============================

Demonstrates include exclude tools custom toolkit.
"""

import asyncio
import json

from agno.agent import Agent
from agno.models.openai import OpenAIChat
from agno.tools import Toolkit
from agno.utils.log import logger

# ---------------------------------------------------------------------------
# Create Agent
# ---------------------------------------------------------------------------


class CustomerDBTools(Toolkit):
    def __init__(self, *args, **kwargs):
        super().__init__(
            name="customer_db",
            tools=[self.retrieve_customer_profile, self.delete_customer_profile],
            *args,
            **kwargs,
        )

    async def retrieve_customer_profile(self, customer_id: str):
        """
        Retrieves a customer profile from the database.

        Args:
            customer_id: The ID of the customer to retrieve.

        Returns:
            A string containing the customer profile.
        """
        logger.info(f"Looking up customer profile for {customer_id}")
        return json.dumps(
            {
                "customer_id": customer_id,
                "name": "John Doe",
                "email": "john.doe@example.com",
            }
        )

    def delete_customer_profile(self, customer_id: str):
        """
        Deletes a customer profile from the database.

        Args:
            customer_id: The ID of the customer to delete.
        """
        logger.info(f"Deleting customer profile for {customer_id}")
        return f"Customer profile for {customer_id}"


agent = Agent(
    model=OpenAIChat(id="gpt-5.2"),
    tools=[CustomerDBTools(include_tools=["retrieve_customer_profile"])],
)

# ---------------------------------------------------------------------------
# Run Agent
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    asyncio.run(
        agent.aprint_response(
            "Retrieve the customer profile for customer ID 123 and delete it.",  # The agent shouldn't be able to delete the profile
            markdown=True,
        )
    )
```

## Run the Example

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

  <Step title="Install dependencies">
    ```bash theme={null}
    uv pip install -U agno openai
    ```
  </Step>

  <Step title="Export your OpenAI API key">
    <CodeGroup>
      ```bash Mac/Linux theme={null}
      export OPENAI_API_KEY="your_openai_api_key_here"
      ```

      ```bash Windows theme={null}
      $Env:OPENAI_API_KEY="your_openai_api_key_here"
      ```
    </CodeGroup>
  </Step>

  <Step title="Run the example">
    Save the code above as `include_exclude_tools_custom_toolkit.py`, then run:

    ```bash theme={null}
    python include_exclude_tools_custom_toolkit.py
    ```
  </Step>
</Steps>

Full source: [cookbook/91\_tools/other/include\_exclude\_tools\_custom\_toolkit.py](https://github.com/agno-agi/agno/blob/main/cookbook/91_tools/other/include_exclude_tools_custom_toolkit.py)