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

# Cloud-phone operation

## Overview

Tool identifier `mobile_run`.

`create_mobile_use_tool()` returns a tool that lets the agent complete operation tasks on a cloud phone.

Import path: `from veadk.tools.builtin_tools.mobile_run import create_mobile_use_tool`

## Environment & prerequisites

<Warning>
  Requirements:

  1. Purchase the cloud-phone service on Volcengine and order a pod.
  2. Configure the cloud-phone environment as needed (install apps, sign in, and so on).
</Warning>

Environment variables:

* `MODEL_AGENT_API_KEY`: API key for the agent's reasoning model
* `TOOL_MOBILE_USE_TOOL_ID`: cloud-phone instance ID, in the form `product_id-pod_id`
* `VOLCENGINE_ACCESS_KEY` / `VOLCENGINE_SECRET_KEY`: Volcengine AK / SK

The `tool_id` is in the form `product_id-pod_id`; obtain it from the instance-management page of the cloud-phone console.

## Usage

```python title="examples/tools/mobile_run/agent.py" lines theme={null}
import asyncio

from veadk import Agent, Runner
from veadk.memory.short_term_memory import ShortTermMemory
from veadk.tools.builtin_tools.mobile_run import create_mobile_use_tool

agent = Agent(
    name="mobile_agent",
    model_name="doubao-seed-2-1-pro-260628",
    description="An agent that operates a cloud phone.",
    instruction="Use the mobile tool to complete tasks on the cloud phone.",
    tools=[create_mobile_use_tool()],
)

runner = Runner(agent=agent, short_term_memory=ShortTermMemory())


async def main():
    response = await runner.run('Open the shopping app and search for "headphones"')
    print(response)


if __name__ == "__main__":
    asyncio.run(main())
```