Hey HN — I built this because every time I started a new project with Claude Code, I'd spend an hour writing a CLAUDE.md that was either too generic to be useful or too project-specific to reuse.
The insight is that good CLAUDE.md files need to be stack-specific. What Claude gets wrong in a Next.js App Router project is completely different from what it gets wrong in a FastAPI backend. Generic advice doesn't cut it.
Each template includes concrete rules (not platitudes), a "NEVER DO THIS" section with real anti-patterns, specific library preferences with reasons, and file naming conventions with examples.
Happy to take requests for stacks that aren't covered.
Show HN: Awesome-Claude-md – 20 stack-specific Claude.md templates for AI coding
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