← Devin AI
Riley Brown
Devin AI: The Full Beginner’s Guide (Better Than Claude Code?)
⏱ 25 min video · 3 min read16 Jul 2026
TL;DR
Riley Brown walks through building a complete marketing stack using Devin AI — a personal landing page, a lead magnet with PDF delivery, a Supabase-backed database, and a password-protected analytics dashboard — all without writing a single line of code. The finished app is then deployed publicly via GitHub and Vercel.
Key points
1
Devin AI lets non-coders run multiple AI agents simultaneously to build full-stack apps, with access to models including Claude, GPT-5, and open-source options like GLM 5.2
2
The workflow covered: landing page creation, lead magnet PDF generation, Supabase database integration for lead capture, and a password-protected admin dashboard
3
Connecting Supabase (free tier) via Devin's MCP marketplace enables automatic lead data storage whenever a user submits the lead magnet form
4
Vercel (also free to start) is connected through Devin's MCP marketplace to deploy the finished app to a live public URL, with GitHub as the version-control backup layer
5
The entire project — from blank canvas to live internet deployment with a functioning dashboard — was completed by someone who has never written a line of code, yet manages 139 GitHub repositories and two apps with paying users
Actionable insights
→
Create a GitHub account and connect it to Devin before starting any project — it serves as your version-control layer and enables automatic Vercel redeployment on every update
→
Use Devin's MCP marketplace to connect Supabase and Vercel in a few clicks, giving your AI agents the ability to create databases and deploy to the internet without manual configuration
→
Queue multiple prompts in Devin so the next task starts automatically when the current one finishes, dramatically speeding up iterative build cycles
→
Add 100+ rows of mock data to your dashboard early so you can properly visualise and test analytics features before real user data arrives
→
Validate a product idea by building a lead magnet landing page first — collect emails and gauge interest before investing in building the full product
Notable quotes
“I have never written a single line of code, but I basically am managing like five different apps that I use personally, two apps that I have paid users for that I manage completely by myself, and I have 139 repositories.”
“You can have unlimited AI agents running at the same time building whatever it is that you want to build for your business.”
Worth watching?
⏭️
Worth watching the full video?
The key steps and workflow are all captured here — skip the video unless you want to follow along visually with the live build and see exactly how each Devin prompt and UI interaction looks in real time.
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