Notes from the last 20%

Blog

What breaks in apps an AI built, why it breaks, and what it costs when nobody looks. Written from the code we actually read.

This is not really a blog — it is a knowledge base, written and published straight from Memocore, our own product for keeping what a team knows.

3 September 2026

Who can actually read your data

Access to other users' data is the most common break in apps built on Lovable and Supabase. Four checks you can run yourself in an evening, and what to do first if one fails.