langchain-mongodbpymongolangchain-openaiMongoDB Atlas Vector Searchintermediate30 min

LangChain + MongoDB Atlas vector search RAG

Scalable RAG pipelines with hybrid search (vector + filters/FTS), production vector DB in operational data layer.

Prerequisites

  • →MongoDB Atlas cluster (M10+ for auto-index)
  • →langchain-mongodb & pymongo installed
  • →OpenAI API key
  • →embedding model API key (e.g.
  • →OpenAI/VoyageAI).

Further reading