# ModelCallLimitState

> **Class** in `langchain`

📖 [View in docs](https://reference.langchain.com/python/langchain/agents/middleware/model_call_limit/ModelCallLimitState)

State schema for `ModelCallLimitMiddleware`.

Extends `AgentState` with model call tracking fields.

## Signature

```python
ModelCallLimitState()
```

## Extends

- `AgentState[ResponseT]`

## Properties

- `thread_model_call_count`
- `run_model_call_count`

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/6fb37dba71da807af60aa7b909f71f0625a666bf/libs/langchain_v1/langchain/agents/middleware/model_call_limit.py#L24)