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

# CapabilityDescriptor

A typed descriptor for one supported request parameter.

## Supported Types

### `components.EnumCapability`

```python theme={null}
value: components.EnumCapability = /* values here */
```

### `components.RangeCapability`

```python theme={null}
value: components.RangeCapability = /* values here */
```

### `components.BooleanCapability`

```python theme={null}
value: components.BooleanCapability = /* values here */
```