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AI Email Automation with n8n and Google Gemini
An AI workflow that reads every incoming email, sorts it into 6 categories, and takes the right action automatically.
The problem: businesses lose time and leads because customer emails are mixed with promotions, job alerts, and security emails.
What I built:
Gmail Trigger that picks up each new email
AI Text Classifier (Google Gemini) with 6 categories: Security Alert, Promotions, Jobs, Personal, Payments, and Client Inquiries
Automatic Gmail labels for every category
Google Sheets log for jobs, leads, and payments
AI information extraction for client emails (name, phone, service, budget)
AI-written reply drafts for client emails, saved as drafts so a person approves every reply
Instant Discord alerts for security, payment, and client emails
Tools: n8n, Google Gemini, Gmail, Google Sheets, Discord
This project is a working demo built on my own inbox. The same system can be adapted to any business email, such as travel agencies, event venues, stores, recruiters, and consultants.
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The work is the easy part.
As a freelancer, the hard part is everything around the actual work: finding work that fits, pitching it well, following up at the right time, and making sure you actually get paid. Most tools help you manage projects you already have. Very few help with the rest.
So I built Rendr, a Mac app for the business side of freelancing. Today I'm opening a small private beta.
Here's what it does:
→ Job finder: Searches open job boards, the careers pages of companies you want to work for, and your Contra feed, then scores each posting against your resume and explains why it fits.
→ Site audits: Paste a business's website and Rendr checks its speed, search basics and accessibility, then writes a review and a short outreach email.
→ Applications: A tailored resume, cover letter and application answers in about a minute. Every line comes from your real resume and shows where it came from.
→ Proposals and Pipeline: Track every lead to a signed proposal, draft proposals with packages and pricing, and get a follow-up drafted when a proposal goes quiet.
→ Money: See what's come in, which invoices are open or overdue, and every subscription you pay for, with a heads-up before renewals.
→ Command: Your day in order, with a short daily briefing.
With many more features to come!
It's private by design. There's no account and no Rendr server; your clients, proposals and files all stay on your Mac. AI features run on your own Claude API key, and Rendr drafts but never sends anything on your behalf.
Everyone in the beta uses it free while it runs. After the 2 month beta, this will be a one-time purchase of $79 for lifetime access. I have a personal mission to build products that accelerate people's lives, and I'm not interested in subscription models for that.
If you freelance on a Mac (macOS 12 or later), request access at gorendr.com and I'll send you the install file and invite code. I'd love your honest feedback!
love that it drafts but never sends anything on its own, that's the right call. for the site audits, where do your beta users usually find the business websites to paste in?
𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐁𝐚𝐫𝐛𝐞𝐫 𝐒𝐡𝐨𝐩 𝐁𝐨𝐨𝐤𝐢𝐧𝐠 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧
𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐎𝐯𝐞𝐫𝐯𝐢𝐞𝐰
I built an end-to-end AI-powered booking and customer experience system for a barber shop using n8n, AI Voice Agents, Google Calendar, CRM, WhatsApp/SMS, and a real-time dashboard.
𝐓𝐡𝐞 𝐏𝐫𝐨𝐛𝐥𝐞𝐦
The business was losing opportunities through missed calls, manual scheduling, booking conflicts, slow follow-ups, and repetitive administrative work.
𝐓𝐡𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧
The AI Voice Agent handles customer calls, understands booking requests, checks live barber availability, and schedules appointments automatically. n8n manages the complete workflow, updates CRM records, sends confirmations and reminders, and keeps customer data synchronized across systems.
𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐕𝐚𝐥𝐮𝐞
The automation helps reduce missed booking opportunities, prevent double-bookings, lower administrative workload, improve response times, and create a smoother customer experience.
𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐈𝐦𝐩𝐚𝐜𝐭
The owner gains real-time visibility into appointments, staff availability, customer activity, and revenue, while staff can focus more on serving customers instead of managing bookings manually.
𝐑𝐞𝐬𝐮𝐥𝐭: 𝐚 𝐦𝐨𝐫𝐞 𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭, 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞, 𝐚𝐧𝐝 𝐜𝐮𝐬𝐭𝐨𝐦𝐞𝐫-𝐟𝐨𝐜𝐮𝐬𝐞𝐝 𝐛𝐚𝐫𝐛𝐞𝐫 𝐬𝐡𝐨𝐩 𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐛𝐲 𝐩𝐫𝐚𝐜𝐭𝐢𝐜𝐚𝐥 𝐀𝐈 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧.
Booking conflicts are the bit I'd test hardest. What does the voice agent do when two people ask for the same barber and slot within a minute of each other?
a web designer asked me for auto detailers in phoenix to send their site pitches to. 688 businesses on google maps, 64 owners left with a real email, checked, in 11 minutes.
each row has the phone, the google rating, how they take bookings and one note on their site, so the first email can actually say something.
if you pitch local businesses, what's the one column you'd want on a list like this?
Hi Jan! I’m a WordPress developer specializing in Divi, Elementor, and WooCommerce websites. I’m looking to find potential clients for my web design agency. Could you share some advice on how you generate quality leads for web design agencies and which methods work best? I’d really appreciate your insights!