# Start a sandbox

Collection: mcp
Human docs: https://zei.sh/docs/mcp

Request a sandbox runtime to start.

Tool: sandboxes_start
Input: {"sandboxId":"SANDBOX_ID"}
Permission: MACHINE_UPDATE.
Poll sandboxes_get until the status is running.

Example:

```
{"name":"sandboxes_start","arguments":{"sandboxId":"SANDBOX_ID"}}
```