Prompting & Config
Boris Cherny Claude.md File
The exact Claude.md file Boris Cherny uses, broken down so you can adapt it to your own repo.
Published March 2026
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Boris Cherny is the creator and Head of Claude Code at Anthropic. His personal CLAUDE.md is two lines pointing to his team's shared file. This guide packages his publicly shared workflow principles into a CLAUDE.md you can drop into any project today. Each rule exists to fix a specific default failure mode.
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