# Monitor programs: check

URL: /code/mcp/monitor/verbs · Id: `page:code/mcp/monitor/verbs`

> The Monitor Verbs check as MCP do programs, with inputs, result, refusals and an example.

Reference for [Monitor](/business/nouns/monitor), one group of [Monitor programs](/code/mcp/monitor).

### Monitor.check
Check runs a Monitor once now from several regions and records the result as an Event. [Verb page](/business/nouns/monitor/check?interface=mcp).

```text
do: return await $.Monitor.check(input)
```

Emits [`Monitor.checked`](/business/events/Monitor.checked).

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `monitor` | [Monitor](/business/nouns/monitor) | Yes | The Monitor to run. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `monitor` | [Monitor](/business/nouns/monitor) | Yes | The Monitor, with its latest result. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```json
{
  "name": "do",
  "arguments": {
    "code": "return await $.Monitor.check({ monitor: 'monitor_8Ed0ESvvRl' })"
  }
}
```