# Watch programs: pause, replay, resume, rotate

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

> The Watch Verbs pause, replay, resume, rotate as MCP do programs, with inputs, result, refusals and an example.

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

### Watch.pause
Pause stops a Watch delivering while its Events keep queuing; the platform pauses a Watch whose deliveries fail for three days. [Verb page](/business/nouns/watch/pause?interface=mcp).

```text
do: return await $.Watch.pause(input)
```

Emits [`Watch.paused`](/business/events/Watch.paused).

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `watch` | [Watch](/business/nouns/watch) | Yes | The Watch to pause. |
| `reason` | `text` | No | Why deliveries stop. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `watch` | [Watch](/business/nouns/watch) | Yes | The paused Watch. |

**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 $.Watch.pause({ watch: 'watch_9o4vCuR17L' })"
  }
}
```

### Watch.replay
Replay redelivers a Watch’s Events from a chosen point, signed as they were the first time. [Verb page](/business/nouns/watch/replay?interface=mcp).

```text
do: return await $.Watch.replay(input)
```

Emits [`Watch.replayed`](/business/events/Watch.replayed).

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `watch` | [Watch](/business/nouns/watch) | Yes | The Watch to replay. |
| `from` | `datetime` | Yes | Where the replay starts. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `watch` | [Watch](/business/nouns/watch) | Yes | The Watch, replaying. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The input does not match the schema of the operation. | [`invalid-input`](/code/api/errors/invalid-input) | Read the schema of the operation, then send every required field with the right type. | None. |
| 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 $.Watch.replay({ watch: 'watch_9o4vCuR17L', from: '2026-10-22T12:00:00Z' })"
  }
}
```

### Watch.resume
Resume restarts a paused Watch and delivers the Events it held, oldest first. [Verb page](/business/nouns/watch/resume?interface=mcp).

```text
do: return await $.Watch.resume(input)
```

Emits [`Watch.resumed`](/business/events/Watch.resumed).

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `watch` | [Watch](/business/nouns/watch) | Yes | The paused Watch. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `watch` | [Watch](/business/nouns/watch) | Yes | The Watch, delivering again. |

**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 $.Watch.resume({ watch: 'watch_9o4vCuR17L' })"
  }
}
```

### Watch.rotate
Rotate issues a new signing secret for a Watch and signs with both secrets until the old one expires. [Verb page](/business/nouns/watch/rotate?interface=mcp).

```text
do: return await $.Watch.rotate(input)
```

Emits [`Watch.rotated`](/business/events/Watch.rotated).

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `watch` | [Watch](/business/nouns/watch) | Yes | The Watch whose secret changes. |
| `overlap` | `string` | No | How long the old secret keeps signing, as an ISO 8601 duration; defaults to `PT24H`. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `watch` | [Watch](/business/nouns/watch) | Yes | The Watch, signing with both secrets. |
| `secret` | `string` | Yes | The new signing secret, shown once. |

**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 $.Watch.rotate({ watch: 'watch_9o4vCuR17L' })"
  }
}
```