==========
Root nodes
==========

Root nodes are the foundational nodes within a group of cluster nodes.

.. include:: ../../../../../_snippets/integrations/builtin/cluster-nodes/cluster-nodes-summary.md
   :parser: myst_parser.sphinx_

.. toctree::
   :maxdepth: 1

   n8n-nodes-langchain.agent/index
   n8n-nodes-langchain.chainllm
   n8n-nodes-langchain.chainretrievalqa/index
   n8n-nodes-langchain.chainsummarization
   n8n-nodes-langchain.code
   n8n-nodes-langchain.information-extractor
   n8n-nodes-langchain.microsoftagent365trigger/index
   n8n-nodes-langchain.sentimentanalysis
   n8n-nodes-langchain.text-classifier
   n8n-nodes-langchain.vectorstoreazureaisearch
   n8n-nodes-langchain.vectorstorechroma
   n8n-nodes-langchain.vectorstoreinmemory
   n8n-nodes-langchain.vectorstoremilvus
   n8n-nodes-langchain.vectorstoremongodbatlas
   n8n-nodes-langchain.vectorstorepgvector
   n8n-nodes-langchain.vectorstorepinecone
   n8n-nodes-langchain.vectorstoreqdrant
   n8n-nodes-langchain.vectorstoreredis
   n8n-nodes-langchain.vectorstoresupabase
   n8n-nodes-langchain.vectorstoreweaviate
   n8n-nodes-langchain.vectorstorezep