AIFIRST Karpathy's 12-rule CLAUDE.md cuts agent mistake rate to 3%
The brief
Karpathy expanded his 4-rule CLAUDE.md to 12 rules over 30 codebases, dropping mistake rates from 41% to 3%.
Key points
- New rules target silent pattern blending, read-before-write discipline and checkpointing.
Sources
- r/AskVibecodersreddit.com