n8n is an open-source workflow automation tool, often paired with LLM nodes to build agents.
An IMAP trigger feeds an OpenAI classifier that routes 80–120 emails a day to Slack, Pipedrive and Zendesk. It hit 94% accuracy on 500 emails and saves 11 hours a week.
A shared Gmail label feeds an extractor, totals are validated to €0.01, low-confidence fields go to a human, and results push to Sage. 87% need no human touch.
n8n handles document management and client chasers, letting a bookkeeping firm quadruple clients without hiring.
A native, clearly labelled card in the directory results.
Become the featured sponsor →A builder posted plain n8n workflow-run videos on a 40-subscriber channel, and a viewer hired him for €750 paid upfront.
Code handles predictable invoice lines, Claude handles tricky negative items, structured parsers output to Sheets, and project names are fuzzy-matched to an internal API.
A Tally booking form triggers a webhook, a switch picks the invoice template, and it fills customer and property details, sends the invoice plus a thank-you email, and saves a copy.