n8n
n8n LangChain RAG Tutorial: Build a Chatbot That Answers from Your Documents (2026)
Build a real RAG chatbot in n8n: chunk documents, store embeddings in Qdrant, and answer questions with the Question and Answer Chain. Tested on n8n 2.41.4.
OpenAI
n8n
n8n AI Agent Tutorial: Build Your First AI Agent with Tools and Memory
Build a working AI agent in n8n: connect a chat model, tools, and memory to the AI Agent node. Tested on n8n 2.40.7 with real node parameters, plus troubleshooting for the 5 most common failures.