Documentation for langchain-mongodb is hosted separately by the MongoDB team. Visit their official API reference site to get started with this integration.

Classes

Class

AutoEmbeddings

Class

MongoDBCache

MongoDB Atlas cache

Class

MongoDBAtlasSemanticCache

MongoDB Atlas Semantic cache.

Class

MongoDBDocStore

MongoDB Collection providing BaseStore interface.

Class

MongoDBChatMessageHistory

Chat message history that stores history in MongoDB.

Class

MongoDBRecordManager

A MongoDB-based implementation of the record manager.

Class

MongoDBLoader

Document Loaders are classes to load Documents.

Class

MongoDBAtlasVectorSearch

MongoDB Atlas vector store integration.

Class

BaseMongoDBDatabaseTool

Base tool for interacting with a MongoDB database.

Class

QueryMongoDBDatabaseTool

Tool for querying a MongoDB database.

Class

InfoMongoDBDatabaseTool

Tool for getting metadata about a MongoDB database.

Class

ListMongoDBDatabaseTool

Tool for getting collection names.

Class

QueryMongoDBCheckerTool

Use an LLM to check if a query is correct.

Class

MongoDBDatabase

Wrapper around a MongoDB database.

Class

MongoDBDatabaseToolkit

MongoDBDatabaseToolkit for interacting with MongoDB databases.

Class

MongoDBStructuredQueryTranslator

Translator between MongoDB Query API and LangChain's StructuredQuery.

Class

MongoDBAtlasSelfQueryRetriever

Retriever that uses an LLM to deduce filters for Vector Search algorithm.

Class

MongoDBAtlasFullTextSearchRetriever

Retriever performs full-text searches using Lucene's standard (BM25) analyzer.

Class

MongoDBGraphRAGRetriever

RunnableSerializable API of MongoDB GraphRAG.

Class

MongoDBAtlasParentDocumentRetriever

MongoDB Atlas's ParentDocumentRetriever

Class

MongoDBAtlasHybridSearchRetriever

Hybrid Search Retriever combines vector and full-text searches

Class

MongoDBGraphStore

GraphRAG DataStore

Functions

Function

text_search_stage

Full-Text search using Lucene's standard (BM25) analyzer

Function

cosine_similarity

Row-wise cosine similarity between two equal-width matrices.

Function

maximal_marginal_relevance

Compute Maximal Marginal Relevance (MMR).

Function

str_to_oid

Attempt to cast string representation of id to MongoDB's internal BSON ObjectId.

Function

oid_to_str

Convert MongoDB's internal BSON ObjectId into a simple str for compatibility.

Function

make_serializable

Recursively cast values in a dict to a form able to json.dump

Function

prepare_query_for_vector_search

Prepare a query for vector search based on the embedding type.

Modules

Types

Module