Skill Claude CodeCodex
Use whenever you write or change a test, including tests that ship with a feature, a fix or a ticket, and requests like "add tests for" or "cover this with tests". Also use when reviewing, cleaning up, pruning, deduplicating, merging, or deleting tests. Decides if each test earns its place. Any language.
Skill Claude CodeCodex
Use when an HTML page, explainer or UI needs a look, or when output feels generic, templated or "AI-made". Picks a distinctive visual direction (palette, typography, layout, one bold move) and enforces a banned list of AI design tells.
Skill Claude CodeCodex
Use when an HTML page or explainer needs animation that explains something: camera moves over a diagram, traces travelling along connections, staged reveals, scrollytelling, or step-by-step timelines with player controls. Modern GSAP motion with tested skeletons.
Skill Claude CodeCodex
Use after building or editing a visual HTML page or Artifact, or when asked to critique, polish, refine, make it bolder, quieter or "surprise me". One screenshot review pass in light, dark and phone width against the design and motion rules, then one fix pass.
Skill Claude CodeCodex
Use when asked to visualize, explain visually, "show me", diagram, or make an HTML explainer or page for a concept, flow, architecture, trace, plan or comparison. Builds a beautiful, animated, token-efficient HTML page instead of prose and orchestrates design-direction, motion-choreography and visual-critique.
Skill Claude CodeCodex
Use when reviewing a pull request or diff, or when review findings arrive for your own PR from a reviewer, a bot, or another agent, including requests like "review this PR", "review my diff", "address the review comments", or "triage these findings". Verifies every finding with evidence, drops what does not reproduce…
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: