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

# AskUI SDK

> AskUI lets AI agents see screens and control devices. Desktop, mobile, web. One API.

```python theme={null}
from askui import VisionAgent

with VisionAgent() as agent:
    agent.act("Click 'Sign in', fill email with 'test@example.com', submit")
```

No selectors. No element IDs. Natural language instructions.

<CardGroup cols={2}>
  <Card title="Quickstart" icon="rocket" href="/get-started/quickstart">
    Install and run your first task.
  </Card>

  <Card title="How It Works" icon="lightbulb" href="/get-started/how-it-works">
    Architecture overview.
  </Card>
</CardGroup>

## Capabilities

| Feature              | Description                                    |
| -------------------- | ---------------------------------------------- |
| **Vision-based**     | Sees pixels, not DOM. Works on any UI.         |
| **Cross-platform**   | Desktop, web, Android, iOS, HMI                |
| **Background mode**  | Runs without taking over your screen (Windows) |
| **Natural language** | Describe tasks in plain English                |

## Use Cases

* **Agentic development**: Give Claude Code/Cursor UI control
* **Test automation**: CSV-based test suites with auto-reporting
* **Process automation**: Automate workflows across any app