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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 thelangchain-community package. Users are encouraged to migrate to this repository as soon as possible.

• MongoDBAtlasFullTextSearchRetriever
• MongoDBAtlasHybridSearchRetriever
• MongoDBAtlasSemanticCache
• MongoDBAtlasVectorSearch
• MongoDBCache
• MongoDBChatMessageHistory

• MongoDBAtlasParentDocumentRetriever
• MongoDBAtlasSelfQueryRetriever.
• MongoDBDatabaseToolkit
• MongoDBDatabase
• MongoDBDocStore
• MongoDBGraphStore
• MongoDBLoader
• MongoDBRecordManager

• Checkpointing (BaseCheckpointSaver)
  • MongoDBSaver
  • AsyncMongoDBSaver

You can install thelangchain-mongodb package from PyPI.

pip install langchain-mongodb

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

pip install langgraph-checkpoint-mongodb

Seelangchain-mongodb usage andlanggraph-checkpoint-mongodb usage.

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

API docs can be found onReadTheDocs.

See theContributing Guide.

This project is licensed under theMIT License.