AI-built app rescue · fixed prices
Your AI-built app got you 80% of the way. I finish the rest.
Lovable, Bolt, Replit and Cursor are fast at the first version. Then payments fail, logins break, a key leaks, or the deploy only works in preview. I find what is wrong and fix it for a price you know up front.
Email jesse@mcfearsome.dev with your app or repo link. You get a reply within one business day.
What usually goes wrong
- Secret keys shipped to the browserA Stripe secret key or a Supabase service key sits in the front-end bundle, where anyone can read it.
- The database is openRow-level security is off, or the policies allow everything, so one user can read another user's data.
- Payments that do not stickStripe webhooks are unverified or missing, so customers pay and get nothing, or get access without paying.
- Login checked only in the interfaceThe buttons are hidden, but the API behind them answers anyone.
- It works in preview and nowhere elseMissing environment variables, wrong redirect URLs, test keys in production.
- Every new prompt breaks something oldNo tests, no migrations, and nobody is sure what the code does any more.
Want to check yourself first? The 12-point rescue checklist is free.
Prices
Written audit
- Security, payments, auth, data and deploy reviewed
- Each problem ranked by risk, in plain English
- A priced fix list you can hand to anyone
Stripe or auth fix
- Checkout and webhooks that hold up
- Or sign-in, sessions and access rules done properly
- Short note on what changed and why
Fixed-scope rescue
- Everything on the fix list you choose
- Deployed to production, not just preview
- Handover notes so the next change is safe
How it works
- Send the appEmail the URL or repo and say what worries you. No call needed.
- Get the auditA written report in two business days, with every problem ranked and each fix priced.
- Pick what to fixChoose from the list. The price is fixed before work starts.
- Ship itFixes go live with notes on what changed. You keep full ownership of the code and accounts.
Who does the work
I'm Jesse. I was a Staff Engineer at Gusto, where the software handled payroll and business data for real companies, and I now run Code Nerd LLC, an independent studio in Bristol, Pennsylvania. I build with the same AI tools you do, every day, so I know where they cut corners.
You work with me directly. Nothing is handed off.
Questions
Which tools do you work with?
Apps built with Lovable, Bolt, Replit, Cursor, v0 and similar tools, usually on React or Next.js with Supabase, Stripe and Vercel, Netlify or Cloudflare. If yours is different, ask.
Do you rewrite the app?
No. The goal is to make what you have safe and working. If a rewrite really is cheaper, the audit says so and explains why.
What access do you need?
Read access to the code for the audit. For fixes, scoped access that you grant and can revoke. Never your owner password, and I keep none of your secrets after delivery.
What if the fix turns out bigger than quoted?
You hear before any extra work starts, with a new fixed price. You never get a surprise invoice.
Can I keep building with AI afterwards?
Yes. The handover notes say which parts are safe to keep prompting and which parts to leave alone.
Start with the audit
$299, two business days, and you know exactly what is wrong and what each fix costs.