Your app can work while its instructions point to a command or folder that no longer exists. Check the notes against the project before treating the mismatch as an application bug.
This original fictional Drew Ski example follows Anthropic’s official CLAUDE.md Improver workflow. Codex and local Node/npm performed the audit and checks; no Claude Code session or plugin installation occurred. Get the public original fixture ZIP. The full guide and Markdown unlock with your email for access, not newsletter consent.
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- An original working project with stale instructions
- The two-line diff and actual before/after checks
- A practical audit checklist and supported Claude Code workflow