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

# Agent with Tools

> Give a LiteLLM proxy agent web search with WebSearchTools.

Make sure to start the proxy server:

```shell theme={null}
litellm --model gpt-4o --host 127.0.0.1 --port 4000
```

## Code

```python tool_use.py theme={null}
from agno.agent import Agent
from agno.models.litellm import LiteLLMOpenAI
from agno.tools.websearch import WebSearchTools

agent = Agent(
    model=LiteLLMOpenAI(id="gpt-4o"),
    tools=[WebSearchTools()],
    markdown=True,
)
agent.print_response("Whats happening in France?")
```

## Usage

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

**1. Set your API key**

```bash theme={null}
export LITELLM_API_KEY=xxx
```

**2. Install dependencies**

```bash theme={null}
uv pip install -U 'litellm[proxy]' openai ddgs agno
```

**3. Start the proxy server**

```bash theme={null}
litellm --model gpt-4o --host 127.0.0.1 --port 4000
```

**4. Run Agent**

Save the code above as `tool_use.py`, then run:

```bash theme={null}
python tool_use.py
```


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