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

# DeepKeep AI Firewall Guardrails

> Use DeepKeep AI Firewall as custom guardrails for Agno Agents.

Use DeepKeep AI Firewall as custom guardrails for Agno Agents. DeepKeep runs before user input reaches the model and after model output is generated.

```python deepkeep_ai_firewall.py theme={null}
"""
DeepKeep AI Firewall Guardrails
===============================

This example shows how to use DeepKeep AI Firewall as custom guardrails for
Agno Agents. DeepKeep runs before user input reaches the model and after model
output is generated.

Requirements:
- pip install agno-deepkeep
- DEEPKEEP_API_KEY and DEEPKEEP_BASE_URL set

Set credentials before running:

    export DEEPKEEP_API_KEY="dk_..."
    export DEEPKEEP_BASE_URL="https://api.example.deepkeep.ai"

Usage:
    python cookbook/02_agents/08_guardrails/deepkeep_ai_firewall.py
"""

from agno.agent import Agent
from agno.models.openai import OpenAIResponses
from agno_deepkeep import DeepKeepGuardrail

agent = Agent(
    name="DeepKeep Protected Agent",
    model=OpenAIResponses(id="gpt-5.2"),
    instructions="Answer user questions safely and concisely.",
    pre_hooks=[
        DeepKeepGuardrail(
            pre_model="input-firewall-id",
        )
    ],
    post_hooks=[
        DeepKeepGuardrail(
            post_model="output-firewall-id",
        )
    ],
    markdown=True,
)


if __name__ == "__main__":
    agent.print_response("Explain how to store API keys securely.")
```

## Run the Example

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

  <Step title="Install dependencies">
    ```bash theme={null}
    uv pip install -U agno agno-deepkeep 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 `deepkeep_ai_firewall.py`, then run:

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

Full source: [cookbook/02\_agents/08\_guardrails/deepkeep\_ai\_firewall.py](https://github.com/agno-agi/agno/blob/v3.0.4/cookbook/02_agents/08_guardrails/deepkeep_ai_firewall.py)