n8n’s starter template wires Chat Trigger, an AI Agent node, Gemini, weather + RSS tools, and short memory—so you prove tool-using agents before building the fancy multi-agent graph. This workflow is listed under n8n, Gemini, Chat-Agent, Tools, Getting-Started.
Building a tool for these workflows? See weekly rates.
Official n8n AI example: a chat agent answers with GPT-4; if unsure it calls a sub-workflow that asks for the user's email and posts the unanswered question to a Slack support channel.
n8n’s 2026 agent examples show a Sheet of URLs → AI visits each site → tailored outreach draft + lead score, so SDRs stop pasting the same cold template.
n8n docs describe first-class agents with tools, knowledge bases, hourly/daily schedules, and sub-agent handoffs—plus embedding agents inside fixed workflows via the Message an Agent node.
This n8n template extracts invoice PDFs with GPT-4o, checks invoice numbers and totals, assesses category and risk, and uses a wait-and-resume approval path before recording the final status.