# MongoDBGraphRAGRetriever

> **Class** in `langchain_mongodb`

📖 [View in docs](https://reference.langchain.com/python/langchain-mongodb/retrievers/graphrag/MongoDBGraphRAGRetriever)

RunnableSerializable API of MongoDB GraphRAG.

## Signature

```python
MongoDBGraphRAGRetriever()
```

## Extends

- `BaseRetriever`

## Properties

- `graph_store`

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[View source on GitHub](https://github.com/langchain-ai/langchain-mongodb/blob/ad9050c28e092b335dcb846f77c0ec2245553f79/libs/langchain-mongodb/langchain_mongodb/retrievers/graphrag.py#L10)