# Instrument programs: grant

URL: /code/mcp/instrument/verbs-grant · Id: `page:code/mcp/instrument/verbs-grant`

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

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

### Instrument.grant
Grant gives a Holder an option from the pool, with its strike price, vesting schedule and cliff. [Verb page](/business/nouns/instrument/grant?interface=mcp).

```text
do: return await $.Instrument.grant(input)
```

Emits [`Instrument.granted`](/business/events/Instrument.granted).

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `holder` | [Holder](/business/nouns/holder) | Yes | The Holder who receives the option, usually a Worker. |
| `quantity` | `integer` | Yes | The Shares the option covers. |
| `strike` | `money` | Yes | The exercise price, at or above the latest fair market value. |
| `vesting` | `json` | Yes | The schedule and cliff. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `instrument` | [Instrument](/business/nouns/instrument) | Yes | The granted option. |

**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. |
| A strike below the latest 409A fair market value | [`refused`](/code/api/errors/refused) | Clear what the check names, then call it again. | None. |

**Example**

```json
{
  "name": "do",
  "arguments": {
    "code": "return await $.Instrument.grant({ holder: 'holder_e2Dm5Y6QGO', quantity: 1, strike: { amount: 29, currency: 'USD' }, vesting: {} })"
  }
}
```