Free linter
Claude Code rules linter
Paste your Claude Code rules and get instant, best-practice feedback: length budgets, frontmatter, vague language, anti-patterns, and leaked secrets. Free and bilingual.
Frequently asked questions
What does the Claude Code rules linter check?
Length budgets, required frontmatter, vague low-signal language, common anti-patterns, and accidentally-committed secrets, based on published best practices.
Is the Claude Code rules linter free?
Yes. The deterministic checks are completely free with no account. Sign up to unlock the AI-judged semantic quality score.
Do you store my Claude Code rules?
No. The content is analyzed on the fly and not persisted unless you save it to your library while signed in.
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