For Lovable, Bolt, Cursor & Replit builders

Your AI-built app broke? FixFairy has the fix.

One error, one plain-English fix you can paste back into your AI builder.

Hi, I'm Jenny Bot. No jargon, no lectures: just what went wrong, why, and the exact prompt to paste back.

How it works

The errors AI builders hit most after the demo works.

You put a secret API key in your frontend (and how to undo it)
Your code (or your AI tool) put a key like sb_secret_..., a long eyJ... service_role key, sk_live_... (Stripe), or an OpenAI/other AI-provider key in a…
LovableSupabaseStripe
Google login works in preview but not on your real domain
On your live domain, clicking "Sign in with Google" shows Error 400: redirect_uri_mismatch.
LovableBoltCursor
Stripe payment works, but your app never finds out (webhook failing)
Customer pays, Stripe shows the payment, but your app doesn't unlock the plan / mark the order paid.
SupabaseStripe
Your app shows data to people who aren't logged in (Supabase RLS)
A logged-out visitor (or a different user) can see rows that should be private: other people's profiles, orders, messages.
LovableBoltCursor
White screen or 404 after you deploy (but it worked in preview)
The homepage loads, but refreshing /dashboard or opening a direct link gives 404 Not Found.
LovableBoltSupabase

Coming soon

~25 tested fix prompts + checklists (RLS, Stripe, deploy).