This autonomously scans your entire codebase line by line, identifies architecture problems, security holes, performance issues, and quality gaps, then fixes them all without hand-holding. It catches the nasty stuff like SQL injection, N+1 queries, hardcoded secrets, and circular dependencies, then rewrites code to enterprise standards. Solid for the "make this production ready" moment when you inherit a prototype or need to ship something that won't embarrass you at 3am. The automatic refactoring is aggressive, breaking up god classes and adding caching, logging, and monitoring. It's thorough to the point of opinionated, which is either exactly what you need or more renovation than you asked for.
npx skills add https://github.com/davila7/claude-code-templates --skill production-code-audit