(project) Use when editing any file under skills/ or plugins/ to bump the plugin version and check the manifests
Use when about to refactor or refine a user-level or project-level CLAUDE.md or AGENTS.md, from a full restructure down to a one-line wording fix; a change that looks too small to need this skill is not an exemption
Use when auditing Claude Code or Codex settings and env vars against the latest docs to suggest tailored changes
Use when about to refactor or refine an existing skill, its SKILL.md or sibling files, from a full restructure down to a one-line wording fix; a change that looks too small to need this skill is not an exemption. Not for creating a skill from scratch
Use when refactoring Claude Code or Codex memories to remove stale or derivable entries, resolve contradictions, promote standing instructions, or reorganize recall. Not for standalone CLAUDE.md, AGENTS.md, or rules cleanup
Use before producing any English text the user signs — READMEs, PRs, issues, PR and issue comments, code comments, emails, blog posts, human-facing docs — drafted or rewritten at native fluency in the voice of the skill's author, Vinta Chen. Fires mid-task…
Use when about to choose, configure, or refine a tool, library, config format, API pattern, or project setup, or before proposing a design of your own — research current guidance, pitfalls, and prior art first; already knowing an approach, or assuming no…
Use when the user asks for a blindspot pass or to find their unknown unknowns, or signals unfamiliarity with a domain, tool, or codebase area ("never used X", "first time doing Y", "no idea where to start", "don't know what I don't know") before working…