What It Is
One file, no code
The repo is multica-ai/andrej-karpathy-skills. It is 199,884 stars, 20,560 forks, and 20 KB total, because the entire repository is a single CLAUDE.md file with no code in it at all.
It is a list of behaviours you are telling Claude NOT to do, derived from Andrej Karpathy observations on where LLMs go wrong when they write code. Most people try to make AI better by adding instructions. This works by subtracting.
Free, for your email
Get the full setup steps + the copy-paste setup prompt
The rest of this guide (13 more sections, 3 copy-paste prompts) opens right here. The setup prompt, one paste into Claude that sets it all up, comes by email only. Use your real address.
Unlocks: Get the file · Put it where Claude actually reads it · For one project · For every project you ever open · The four rules, in the file order · +8 more
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