This verifies technical claims in your markdown docs against the actual codebase. It extracts nine types of verifiable statements (file paths, version numbers, API endpoints, counts like "14 parsers", config keys, CLI commands, function names, line references, and Docker specs) then checks each one with grep, glob, or direct file reads. The cross-document consistency check is the standout feature: it builds an index of all verified claims and flags contradictions when different docs state conflicting facts about the same entity. Designed for L3 worker invocation with full project context, so it can catch issues like README claiming v2.1.0 while package.json shows v2.0.3, or one doc saying 12 endpoints while another lists 14. Best run when you suspect docs have drifted from reality or before major releases.
npx skills add https://github.com/levnikolaevich/claude-code-skills --skill ln-614-docs-fact-checker