Compare agent skills before installing.

Author and refine reference skills, task-style command skills, and path-scoped rules using one repository-grounded workflow. TRIGGER when: asked to create, build, scaffold, convert, review, or update a skill, command, workflow, rule, coding standard, or contextual instruction. Skills are the canonical primitive for a reusable role, procedure, or body of judgment — there is no project-agent artifact type.

Apple's approach to interface design and fluid, physical motion, translated for the web. Use when building or reviewing gesture-driven UI, spring animations, drag/swipe/sheet interactions, momentum and interruptible transitions, translucent materials and depth, typography (optical sizing, tracking, leading), reduced-motion, or the design foundations (feedback, spatial consistency, restraint) behind Apple-style interfaces.