An n8n agent searches a knowledge base and order history in parallel, uses GPT-4o-mini to classify and draft replies, emails resolvable tickets, and routes billing/refund/security cases to Slack with a draft (~$0.90/mo at 50 tickets/day).
GPT-4o-mini summarizes resume PDFs linked from a candidate sheet, emails the interviewer a structured brief, and marks the row processed to avoid repeats.
WayinVideo summarizes a course video and GPT-4o-mini turns the learning points into structured tasks with estimates and checklists, which are created in ClickUp and logged in Sheets.