LangChain
=========

**langchain-agensgraph** integrates
`AgensGraph <https://github.com/skaiworldwide-oss/agensgraph>`_ with
`LangChain <https://www.langchain.com/>`_ 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.

.. list-table::
   :header-rows: 1
   :widths: 24 76

   * - Page
     - Contents
   * - :doc:`overview`
     - What the integration provides.
   * - :doc:`when-to-use`
     - Use cases, and how it compares to the other integrations.
   * - :doc:`installation`
     - Requirements, install, and connecting to AgensGraph.
   * - :doc:`usage`
     - A hands-on guide with a runnable example for every feature.

.. toctree::
   :hidden:
   :maxdepth: 2

   overview
   when-to-use
   installation
   usage