# QueryMongoDBDatabaseTool

> **Class** in `langchain_mongodb`

📖 [View in docs](https://reference.langchain.com/python/langchain-mongodb/agent_toolkit/tool/QueryMongoDBDatabaseTool)

Tool for querying a MongoDB database.

## Signature

```python
QueryMongoDBDatabaseTool()
```

## Extends

- `BaseMongoDBDatabaseTool`
- `BaseTool`

## Properties

- `name`
- `description`
- `args_schema`

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[View source on GitHub](https://github.com/langchain-ai/langchain-mongodb/blob/edee54e78705190a78087e13013412a39d71a651/libs/langchain-mongodb/langchain_mongodb/agent_toolkit/tool.py#L34)