Individual skill

claude-md-writer

Use when creating or refactoring CLAUDE.md files - enforces best practices for size, structure, and content organization

skills/claude-md-writer/SKILL.md

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Repository last updated
Nov 10, 2026
License
MIT

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# CLAUDE.md Writer

Creates and refactors CLAUDE.md files following official Anthropic best practices (2025).

## Golden Rules

| Rule | Why |
|------|-----|
| **CLAUDE.md < 200 lines** | Loads on EVERY request, costs tokens |
| **Rules files < 500 lines each** | Official recommendation per file |
| **Critical rules FIRST** | Top = highest priority |
| **Modular rules → `.claude/rules/`** | Conditional loading, organized |
| **Use `paths:` frontmatter** | Load rules only for matching files |
| **No linting rules** | Use ESLint/Prettier/Biome instead |
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