Open-source workflow automation with native AI agent nodes.
n8n is a visual workflow builder you can self-host. Its AI Agent node lets a model call tools, remember context and branch, which makes it a favourite for production agent pipelines.
An n8n workflow built for a client matches invoice data to a Google Sheets inventory, creates ERP purchase orders and notifies purchasing; about 90% of invoices are handled automatically.
An n8n agent looks up the knowledge base and order history, replies by email or escalates to Slack with a draft; billing and security go to humans.
A custom integration sends voice requests and exposed entities to an n8n workflow that can use AI and trigger automations, speaking the reply back.
An n8n and OpenAI agent answers WhatsApp questions from a knowledge base and escalates low-confidence cases to a human on Telegram with full context.
An n8n workflow fetches a submitted URL, strips it to readable content, has OpenAI summarise it into structured fields, and saves a Notion note.
A user who moved from n8n to Lindy uses it with Outlook and Slack to create and manage AI notetakers so they no longer take meeting notes by hand.
n8n workflows track free games on Epic, Prime Gaming and Steam, then create and publish WordPress posts with details, images and store links.
The author built n8n workflows that draft Gmail replies for approval, generate LinkedIn posts from a topic, and extract tasks from emails into Google Tasks or Notion.
A Telegram bot with an LLM and an orchestration platform (n8n or windmill) adds todos to the author's Todoist account from natural language messages.
A consulting firm used n8n multi-agent workflows to answer WhatsApp questions, collect information, parse uploaded documents and notify clients of status.
A self-hosted n8n workflow extracts accounting data from uploaded receipts and invoices with OpenAI, then after user review files the originals and appends data to a yearly sheet.
An n8n workflow pulls the day's Google Calendar appointments, places automated voice calls via Retell AI, then sends follow-up SMS through Twilio.
A Home Assistant presence sensor triggers n8n, where a Deepseek agent picks a brightness for the time of day and sets the lights.
An n8n assistant looks up contacts in Google Sheets, places real phone calls, sends emails and schedules calendar events for the user.
An n8n workflow retrieves newsletters, summarizes them with an LLM and stores them in Notion, splitting long summaries to fit block limits.
An n8n workflow monitors CVEs from sources like CISA and OTX, scores them with AI, and alerts via Slack, Gmail and Google Sheets.
A Telegram AI agent in n8n logs meals sent as text, voice or photos, estimates calories and macros, tracks goals in Google Sheets and sends daily reports.
An n8n agent scrapes Google Maps for businesses, enriches leads with Owler and Apollo, writes personalized cold emails and logs leads in Google Sheets.