LangChain

langchain-agensgraph integrates AgensGraph with LangChain 1.x — a graph store, a pgvector-backed vector store, retrievers, a Text2Cypher QA chain, chat-message history, a LangGraph checkpointer and long-term memory store, and an LLM graph transformer.

Page	Contents
Overview	What the integration provides.
When to use it	Use cases, and how it compares to the other integrations.
Installation	Requirements, install, and connecting to AgensGraph.
Usage	A hands-on guide with a runnable example for every feature.