The Karpathy Method for Claude Code + Obsidian

Andrej Karpathy just dropped the blueprint. Three layers, three steps, one CLAUDE.md. This is the setup most people skip — and it's why their vault dies in a week.

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Most people use Claude Code like ChatGPT — single session, no memory, nothing carries over. Your context window dies and all that work is gone. Obsidian fixes it.

Your vault becomes a persistent, compounding wiki that Claude reads and writes to across every session. Ingest sources once, query them forever. Your knowledge stops being re-derived from scratch on every question.

"Obsidian is the IDE. The LLM is the programmer. The wiki is the codebase. Humans abandon wikis because the maintenance burden grows faster than the value. LLMs don't get bored."— Andrej Karpathy, April 2026