# AgentLoopStrategy

# Type Alias: AgentLoopStrategy()

```ts
type AgentLoopStrategy = (state) => boolean;
```

Defined in: [packages/ai/src/types.ts:868](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L868)

Strategy function that determines whether the agent loop should continue

## Parameters

### state

[`AgentLoopState`](../interfaces/AgentLoopState.md)

Current state of the agent loop

## Returns

`boolean`

true to continue looping, false to stop

## Example

```typescript
// Continue for up to 5 iterations (model turns, not tool calls)
const strategy: AgentLoopStrategy = ({ iterationCount }) => iterationCount < 5;
// Cap total tool calls across the run
const byTools: AgentLoopStrategy = ({ toolCallCount }) => toolCallCount < 20;
```