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

# Agent with Tools

## Code

```python cookbook/11_models/nexus/tool_use.py theme={null}
"""Run `uv pip install` to install dependencies."""

from agno.agent import Agent
from agno.models.nexus import Nexus
from agno.tools.hackernews import HackerNewsTools

agent = Agent(
    model=Nexus(id="anthropic/claude-sonnet-4-20250514"),
    tools=[HackerNewsTools()],
    markdown=True,
)

agent.print_response("Whats happening in France?")

```

## Usage

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

  <Step title="Set your API keys">
    ```bash theme={null}
    export OPENAI_API_KEY=xxx
    export ANTHROPIC_API_KEY=xxx
    ```
  </Step>

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

  <Step title="Run Agent">
    ```bash theme={null}
    python cookbook/11_models/nexus/tool_use.py
    ```
  </Step>
</Steps>