🦜️🔗 LangChain MongoDB

This is a Monorepo containing partner packages of MongoDB and LangChainAI. It includes integrations between MongoDB, Atlas, LangChain, and LangGraph.

It contains the following packages.

• langchain-mongodb (PyPI)
• langgraph-checkpoint-mongodb (PyPI)

Note: This repository replaces all MongoDB integrations currently present in the langchain-community package. Users are encouraged to migrate to this repository as soon as possible.

Features

LangChain

• Vector store -MongoDBAtlasVectorSearch
• Message histories
  • MongoDBChatMessageHistory
• Model caches
  • MongoDBCache
  • MongoDBAtlasSemanticCache
• Retrievers
  • MongoDBAtlasHybridSearchRetriever
  • MongoDBAtlasFullTextSearchRetriever
  • MongoDBAtlasParentDocumentRetriever
• Indexing
  • MongoDBRecordManager
• Loading
  • MongoDBLoader

LangGraph

• Checkpointing
  • MongoDBSaver
  • AsyncMongoDBSaver

Installation

You can install the langchain-mongodb package from PyPI.

pip install langchain-mongodb

You can install the langgraph-checkpoint-mongodb package from PyPI as well:

pip install langgraph-checkpoint-mongodb

Usage

See langchain-mongodb usage and langgraph-checkpoint-mongodb usage.

For more detailed usage examples and documentation, please refer to the LangChain documentation.

API docs can be found on ReadTheDocs.

Contributing

See the Contributing Guide.

License

This project is licensed under the MIT License.