The exact validated n8n workflow from our guide: a retrieval (RAG) chatbot that answers Shopify shopper questions from your own catalog and shop policies, using Google Gemini and a Supabase vector store. Import, add your credentials, run.
- Two ready flows: catalog + policy ingestion and an always-on storefront chat agent
- Google Gemini embeddings + gemini-2.5-flash chat (free tier friendly, no OpenAI)
- Supabase pgvector knowledge base
- 14 pre-wired nodes, active:false, credential placeholders