I Have No Coding Skills. My Team Is 3 AI Models. Here's What We Built in 2 Months.

Description and use

Building a SaaS without coding skills: a team of three AIs uncovered critical code bugs, fixed them, and adopted the rule “Fix first. Sell second.”

Problem

A YouTube creator’s thumbnail must capture a viewer’s attention within half a second; most creators evaluate thumbnails incorrectly, leading to missed engagement.

Outcome

Identified and fixed critical bugs that were not visible through dashboards, validated payment flow with a real charge, and established a repeatable fix-first workflow.

Workflow

• 1. Hire AI models for feature writing, design/infrastructure, and auditing.
• 2. Build ThumbRank features: SERP Radar, AI Thumbnail Score, Competitor tracking, Channel X‑ray, Video Doctor, Morning digest.
• 3. Deploy on Next.js + Supabase + Vercel + Paddle.
• 4. Run AI #3 audit on the codebase; identify 14 bugs, 4 critical.
• 5. Apply fix pattern: store webhook events, dedupe, retry, validate with real charge.
• 6. Publish results and launch on Product Hunt.

Evidence

Before letting anyone pay, I pointed AI #3 at the codebase the other two had written. It read 124 files and came back with 14 bugs. Four were critical — and every one was invisible from the outside:

Source

The payment webhook returned 401 for days. Root cause: the signature header format (t=...;h1=...) wasn’t parsed correctly, and after rotating the secret every live event failed — while the dashboard politely showed "Active".

Source

Fix first. Sell second.

Source