/grill-me skill by @mattpocockuk is really straight to the point. I've used it to review two codebases and it went really deep in each of them and helped me to discover many hidden issues 👀
This is a real treasure: github.com/mattpocock/skills
Link
GitHub - mattpocock/skills: Skills for Real Engineers. Straight from my .claude directory.
Skills for Real Engineers. Straight from my .claude directory. - mattpocock/skills
github.com