n8n AI Agent Tools Guide 2026: Automate Your Workflows with Open-Source AI

n8n AI agent guide 2026: deploy, build your first AI workflow, core nodes.

💡 What You Will Learn

n8n AI agent guide 2026: deploy, build your first AI workflow, core nodes.

n8n is an open-source workflow automation tool with a visual node editor and built-in AI Agent support, self-hosted with no per-operation fees. Deploy with Docker: docker run -d --name n8n -p 5678:5678 n8nio/n8n, then open localhost:5678. Interface basics: triggers on the left, processing nodes in the middle, output at the end, connect nodes with lines. First AI workflow in 5 steps: add a Webhook trigger, add an AI Agent node, connect OpenAI or local Ollama model, set the system message, connect output back to the Webhook and test. Key nodes: AI Agent, Webhook, Schedule Trigger, HTTP Request, Vector Store for RAG, plus Gmail, Slack, Notion, Telegram integrations. Self-hosted n8n is free; n8n Cloud has a free tier per official site. No coding needed for basic workflows.