n8n
n8n 3.0 Upgrade Guide: The Breaking Changes Checklist Before You Update
Upgrading to n8n 3.0? This checklist covers every breaking change: Docker-only deployment, 35+ removed nodes, security defaults, and a staged upgrade path.
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How to Create n8n Agent Skills: Write SKILL.md Files That Teach Coding Agents to Build Better Workflows
Write n8n agent skills (SKILL.md) so Claude Code, Cursor, and OpenCode generate correct n8n workflows: naming rules, frontmatter limits, validation, install.
n8n
How to Fix n8n CVE-2026-44791: Patch the XML Node Prototype Pollution Bypass
Fix n8n CVE-2026-44791 (CVSS 9.4): upgrade self-hosted n8n to 1.123.43, 2.20.7, or 2.22.1, or disable the XML node via NODES_EXCLUDE. Docker and npm steps.
n8n
How to Use Ollama with n8n AI Agent: Run Local LLMs That Actually Call Tools
Connect Ollama to n8n's AI Agent: pick a tool-capable local model, fix skipped tool calls with Force Tool Call on First Iteration, and add a fallback model.
n8n
n8n Queue Mode Scaling Tutorial: Run Worker Processes with Redis (2026)
Run n8n in queue mode: a main instance plus Redis-backed worker processes for parallel executions. Docker Compose setup guide, verified on n8n 2.41.4.
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How to Build an AI Support Chatbot in n8n: RAG Knowledge Base, Memory, and Human Escalation
Build an AI support chatbot in n8n: Chat Trigger, AI Agent with Simple Memory, RAG over your docs via Vector Store Retriever, plus a human escalation branch.
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n8n Chatbot with Memory Tutorial: Build a Bot That Remembers Conversations
Build an n8n chatbot with memory: attach the Simple Memory sub-node to an AI Agent, scope sessions per user, and move to Postgres Chat Memory for production.
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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.
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How to Update n8n Self-Hosted: Safe Upgrades for Docker Compose, Docker, and npm (2026)
Update self-hosted n8n safely: Docker Compose, Docker, and npm upgrade paths with backups, database migrations, rollback steps, and five real fixes.
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n8n Code Node JavaScript Tutorial: Run Modes, $input, Data Transforms & Debugging
n8n Code node JavaScript tutorial: master run modes, $input.all(), the { json } return format, dates, and debugging, with real errors and fixes.