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Notes from building and breaking

Each piece covers something I actually shipped or actually took apart. No think-pieces.

AI Security

Data & Fraud

Data & Fraud · Jun 2026

I Vibecoded a Medicare Fraud Detector in a Weekend to See How Hard It Actually Is

2025 and 2026 turned government fraud into a headline argument with numbers ranging from tens of millions to nine billion for the same programs. The data behind it is public, so I built a screening system over 47 million rows to find out what it can actually show.

DuckDBFastAPIfraud detectionopen data