# CapabilityContext

Defined in: [packages/ai/src/activities/chat/middleware/capabilities.ts:12](https://github.com/TanStack/ai/blob/main/packages/ai/src/activities/chat/middleware/capabilities.ts#L12)

The minimal context shape a capability accessor needs. The full
`ChatMiddlewareContext` satisfies this (it has `capabilities`), so accessors
accept any middleware context without referencing `any`.

## Properties

### capabilities

```ts
capabilities: CapabilityRegistry;
```

Defined in: [packages/ai/src/activities/chat/middleware/capabilities.ts:13](https://github.com/TanStack/ai/blob/main/packages/ai/src/activities/chat/middleware/capabilities.ts#L13)