Skill Codex
Use when a user explicitly asks to workshop, deepen, challenge, or compare a feature's technical design before implementation. Do not use for ordinary coding requests or implementation plans.
Skill Claude CodeCodex
Review project documentation for contradictions with current code, configuration, tests, and other documents. Use when checking whether docs are accurate, validating a plan or design against repository evidence, or finding stale terminology, flows, assumptions, links, and missing documentation updates.
Skill Codex
Use when the user explicitly invokes $progressive-code-review or explicitly asks for a progressive or staged branch review; do not use for an ordinary one-pass code review.
Skill Claude CodeCodex
Check how well a user understood a PR, report, document, or topic they studied. Use when they want to test their own understanding through adaptive questions grounded in the material.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: