AI-Powered RAG Document Processing & Chatbot with Google Drive, Supabase, OpenAI

n8n template #4551

Summary

Who is this for? This workflow is perfect for: Businesses and teams who need an automated solution to organize, analyze, and retrieve insights from their internal documents. Researchers who want to quickly analyze and query large collections of research papers, reports, or datasets. Customer support teams looking to streamline access to product documentation and support resources. Legal and compliance professionals needing to reference and query legal documents with confidence. AI enthusiasts and developers wanting to implement Retrieval-Augmented Generation (RAG) systems without starting from scratch. What problem is this workflow solving? Manually organizing, processing, and searching thro

How to set it up

Open template #4551 on n8n.io and click Use for free, or copy the template JSON and paste it onto an empty canvas in n8n.
Create 6 credentials under Credentials → Add credential: Google Drive, Embeddings OpenAI, OpenAI Chat Model, Character Text Splitter, Supabase Vector Store, Google Gemini Chat Model. Then open each of those nodes and pick the credential.
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.
Click Execute workflow and step through each node's output to confirm the data looks right.
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-Powered RAG Document Processing & Chatbot with Google Drive, Supabase, OpenAI" (https://n8n.io/workflows/4551). It uses: Google Drive, Code, AI Agent, Basic LLM Chain, Embeddings OpenAI, OpenAI Chat Model, Simple Memory, Structured Output Parser, Character Text Splitter, Supabase Vector Store, Default Data Loader, Google Gemini Chat Model. 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

Google Drive Code AI Agent Basic LLM Chain Embeddings OpenAI OpenAI Chat Model Simple Memory Structured Output ParserCharacter Text SplitterSupabase Vector Store Default Data Loader Google Gemini Chat Model

Questions

Yes. Billy Christi published it free on n8n.io as a verified creator, and it has 11K views. It runs on n8n Cloud or a self-hosted n8n instance.

Google Drive, Embeddings OpenAI, OpenAI Chat Model, Character Text Splitter, Supabase Vector Store, Google Gemini Chat Model. The other 6 nodes are built into n8n.

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