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AI Chatbot Agent with a Panel of Experts using InfraNodus GraphRAG Knowledge

n8n template #4402
Using the knowledge graphs instead of RAG vector stores This workflow creates an AI chatbot agent that has access to several knowledge bases at the same time (used as "experts"). These knowledge bases are provided using the InfraNodus GraphRAG using the knowledge graphs and providing high-quality responses without the need to set up complex RAG vector store workflows. The advantages of using GraphRAG instead of the standard vector stores for knowledge are: Easy and quick to set up (no complex data import workflows needed) A knowledge graph has a holistic view of your knowledge base Better retrieval of relations between the document chunks = higher quality responses How it works This template

How to set it up

  1. Open template #4402 on n8n.io and click Use for free, or copy the template JSON and paste it onto an empty canvas in n8n.
  2. Create a credential under Credentials → Add credential: OpenAI Chat Model. Then open each of those nodes and pick the credential.
  3. Check the model in the AI Agent node. The template may point at a model your account can't use; swap it for one you have access to.
  4. Click Execute workflow and step through each node's output to confirm the data looks right.
  5. Toggle the workflow to Active so its trigger runs on its own.

Hand off to your agent

Prompt

Help me set up the n8n workflow "AI Chatbot Agent with a Panel of Experts using InfraNodus GraphRAG Knowledge" (https://n8n.io/workflows/4402). It uses: AI Agent, OpenAI Chat Model, Simple Memory. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.

Paste into Claude Code and it will do the rest.

Apps and nodes

Questions

Yes. InfraNodus published it free on n8n.io as a verified creator, and it has 7,212 views. It runs on n8n Cloud or a self-hosted n8n instance.

OpenAI Chat Model. The other 2 nodes are built into n8n.

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