What people do with n8n

• Extract invoice data and file it into a bookkeeping sheet

  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.

  3 accounts

• Gemini

  Monitor construction project risk and alert the lead

  A builder made an n8n and Gemini watchdog that checks schedules, budgets, procurement, labor, weather and site reports, finds the main bottleneck, and alerts the project lead.

• Claude computer use

  Build a 52-node n8n workflow

  Claude computer use built a 52-node n8n workflow in one afternoon that would normally take three weekends.

• Run LLM assistants over company data with RAG in n8n

  A commenter used multiple LLM assistants in an n8n project at their company, handling AutoCAD Forge API calls, parsing, embedding and RAG across company data.

• Turn email invoices into a live financial dashboard

  An n8n workflow scans emailed invoices, extracts supplier, amount, date and description, and feeds a real-time Google Sheets dashboard.

• Draft email replies and LinkedIn posts with n8n workflows

  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.

• Send tone-adjusted overdue invoice reminders

  An n8n agent checks customer payment statuses, finds overdue invoices, picks a polite or firmer tone by days overdue, and emails reminders, skipping already-reminded customers.

• Lindy

  Create AI notetakers for meetings

  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.

• Process supplier invoices from Gmail through approval and payment

  An n8n pipeline extracts invoice data, checks duplicates and suppliers, routes high-value invoices for approval, then creates accounting entries and schedules payment.

• Email a weekly digest of payment notification emails

  An n8n AI workflow reads labeled payment emails in Gmail, pulls the top three takeaways from each and sends a Sunday digest.

• Validate invoices against inventory and create purchase orders

  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.

• Handle routine email tasks and follow-up reminders with a personal assistant

  Author built an n8n personal assistant that handles about 70% of routine email tasks and sends reminders for tasks waiting on others, after fixing early quirks.

• Call and text appointment reminders every morning

  An n8n workflow pulls the day's Google Calendar appointments, places automated voice calls via Retell AI, then sends follow-up SMS through Twilio.

• Summarize newsletters into a Notion database

  An n8n workflow retrieves newsletters, summarizes them with an LLM and stores them in Notion, splitting long summaries to fit block limits.

All Work & Operations use cases, from every agent

• Answer WhatsApp customer questions and escalate to humans

  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.

  2 accounts

• Triage support emails and draft replies for human review

  An n8n workflow classifies, prioritizes and summarizes each support email, drafts a reply and posts it to Slack for a person to send.

  2 accounts

• Find local business leads and send personalized cold emails

  An n8n agent scrapes Google Maps for businesses, enriches leads with Owler and Apollo, writes personalized cold emails and logs leads in Google Sheets.

  2 accounts

• Answer real estate calls with a voice agent

  A builder made an ElevenLabs and n8n voice agent for a real estate firm that answers calls, collects budget and location, and feeds an automated workflow.

• Qualify website visitors and book calls automatically

  A builder made an n8n booking agent that chats with website visitors, qualifies them, and books call slots around the clock without humans.

• Manage customer enquiries from Telegram

  An n8n system captures email and form enquiries, creates tasks, and lets the owner reply via Telegram while the AI sends emails and updates status.

• Run full-stack SEO with an n8n agent

  An n8n agent analyzes GA4, rank and SERP data, tracks competitor keywords, rewrites articles and saves performance reports.

• Turn a business website into a WhatsApp support agent

  An n8n workflow scrapes a website into a knowledge base, answers customer questions on WhatsApp and converts inquiries into booked calls.

• Auto-resolve support tickets and escalate the rest

  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.

• Alert AI agencies to businesses with bad reviews as leads

  n8n agents notify automation agencies when a business receives bad reviews so they can call first and offer a damage-control tool.

• Find prospects and summarize business opportunities for sales

  Multi-agent n8n workflow finds company URLs, scrapes prospect websites and summarizes opportunities that sales teams can use to tailor outreach.

• Find Reddit leads for a website and email them

  An n8n workflow takes a website URL, works out industry and keywords, monitors Reddit for relevant posts and emails potential leads to the user.

• Run 24/7 WhatsApp support and track application status

  A consulting firm used n8n multi-agent workflows to answer WhatsApp questions, collect information, parse uploaded documents and notify clients of status.

All Sales, Marketing & Support use cases, from every agent

• Use n8n workflows as a Home Assistant voice agent

  A custom integration sends voice requests and exposed entities to an n8n workflow that can use AI and trigger automations, speaking the reply back.

  2 accounts

• Turn chat messages into Google Calendar events

  An n8n calendar agent takes a chat message, extracts event title, location and times, and creates a Google Calendar entry.

• Set lighting brightness with an AI agent on presence

  A Home Assistant presence sensor triggers n8n, where a Deepseek agent picks a brightness for the time of day and sets the lights.

• Gemini

  Log meals from text, voice or photos and track nutrition

  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.

• Manage family schedules, routines and meal ideas

  An n8n workflow sends family activity reminders, routine checklists and a weekly plan prompt over email and Telegram, and generates meal ideas.

• Run email, calendar and tasks from a Telegram voice assistant

  An assistant named Jackie takes voice or text via Telegram to summarize unread emails, check calendar events and manage Google Tasks.

• Place phone calls and send emails from a Telegram assistant

  An n8n assistant looks up contacts in Google Sheets, places real phone calls, sends emails and schedules calendar events for the user.

All Life Admin & Home use cases, from every agent

• Claude Code

  Create and publish YouTube videos from script to upload

  An n8n pipeline writes a script, adds a voiceover and stock footage, assembles the video, uploads it to YouTube and updates a Google Sheet.

  4 accounts

• Publish AI-written blog posts from trending news to WordPress

  An n8n pipeline turns RSS news into AI articles with SEO metadata and images, publishes to WordPress and logs them; the author notes generic content and duplicates as problems.

  2 accounts

• Turn a Telegram message into researched, designed social posts

  An n8n agent takes a Telegram message, researches the topic, designs the posts and publishes them to social media.

• Create, schedule and post content across platforms automatically

  An n8n system handles content creation, scheduling and cross-platform posting, with a social upload agent posting via Blotato.

• Claude Cowork

  Generate a daily podcast briefing from newsletters

  The author tested Cowork on a morning podcast from newsletters via Readwise and n8n MCP, plus video and 3D print design, noting what worked and what failed.

• Publish free game giveaway posts automatically

  n8n workflows track free games on Epic, Prime Gaming and Steam, then create and publish WordPress posts with details, images and store links.

All Content & Creative use cases, from every agent

• Catalog and summarize papers dropped into Drive

  An n8n workflow extracts metadata from new PDFs, finds related papers on Semantic Scholar and PubMed, builds an APA citation, logs to Sheets and creates a Notion summary.

• Turn any URL into a structured Notion note

  An n8n workflow fetches a submitted URL, strips it to readable content, has OpenAI summarise it into structured fields, and saves a Notion note.

• Save and search links via a Telegram second brain

  An n8n Telegram agent reads links sent to it, summarises and categorises them into Google Sheets, and answers questions from the library using Supabase semantic search.

• Generate deep research reports into Notion

  An n8n workflow turns a topic into up to three Tavily searches, compiles a Markdown report with an agent, and pushes it to a Notion page.

• Gemini

  Track daily arXiv papers into a Notion database

  An n8n workflow fetches arXiv papers daily for a keyword, summarizes them with Gemini 2.5 Flash, writes them to Notion and sends Feishu and Gmail notifications.

All Research & Knowledge use cases, from every agent

• Turn reservation calls into calendar bookings

  An n8n workflow takes Vapi call transcripts, extracts reservation details, creates Calendar events, logs to Sheets and sends follow-ups.

  2 accounts

• Plan business trips by voice message in Telegram

  An n8n workflow transcribes Telegram voice notes, extracts destinations, dates and lodging needs, and searches flights and hotels for business travel.

  2 accounts

• Run a restaurant voice assistant for reservations and orders

  n8n backends let an ElevenLabs voice agent check tables, manage reservations, take orders and request callbacks, plus Vapi travel and home-service booking agents.

All Travel & Bookings use cases, from every agent

• Review GitHub pull requests automatically

  An n8n AI agent triggers on each new PR, fetches diffs, calls an LLM for a review, and posts comments and labels back on the PR.

  3 accounts

• Diagnose Kubernetes alerts with MCP servers

  An n8n agent triggered by Alertmanager queries Kubernetes, Grafana and other MCP servers and posts a diagnostic report with root-cause hypotheses in a Mattermost thread.

  3 accounts

• Play a voice-driven RPG with an AI Dungeon Master

  An n8n template agent with persistent memory runs a fantasy RPG over Telegram voice messages, narrating scenes, resolving dice rolls and saving state.

• Get move suggestions for card games from screenshots

  An n8n Telegram workflow uses GPT-4o vision to read screenshots or voice messages and suggest moves for poker, blackjack, dominoes and mahjong; advice only.

• Monitor Amazon and eBay prices and email on changes

  An n8n workflow checks product URLs from a Google Sheet three times a day, compares prices, emails changes and logs every check.

  3 accounts

• Monitor and score CVEs with real-time alerts

  An n8n workflow monitors CVEs from sources like CISA and OTX, scores them with AI, and alerts via Slack, Gmail and Google Sheets.