> ## 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 and Streaming

> Stream a Portkey agent's tool-calling response as it searches the web with WebSearchTools.

## Code

```python tool_use.py theme={null}
import os

from agno.agent import Agent
from agno.models.portkey import Portkey
from agno.tools.websearch import WebSearchTools

agent = Agent(
    model=Portkey(
        id="@first-integrati-707071/gpt-5-nano",
        portkey_api_key=os.getenv("PORTKEY_API_KEY"),
    ),
    tools=[WebSearchTools()],
    markdown=True,
)

# Print the response in the terminal
agent.print_response("What are the latest developments in AI gateways?", stream=True)
```

## Usage

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

**1. Set your API keys**

```bash theme={null}
export PORTKEY_API_KEY=***
export PORTKEY_VIRTUAL_KEY=***
```

**2. Install dependencies**

```bash theme={null}
uv pip install -U portkey-ai openai ddgs agno
```

**3. Run Agent**

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

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


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