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Lint and preview your Markdown — runs in your browser

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Errors

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  • Empty link URLs [text]()

Warnings

  • Heading hierarchy skips
  • Multiple h1 headings
  • Duplicate headings
  • Empty image alt text
  • TODO / placeholder text
  • Empty link text

Suggestions

  • Bare URLs
  • Lines > 120 characters
  • Inconsistent list markers
  • Heading punctuation
  • Trailing whitespace
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Browse CLAUDE.md rules

Community-contributed rules for Claude Code — documentation standards, code style, and more.

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