Compare agent skills before installing.

Create and maintain repository-aware technical plans, implementation plans, refactor proposals, design drafts, and migration plans. Use when Codex is asked to investigate a codebase and propose a solution before implementation; write or update a durable plan file; produce a 方案、实施计划或重构计划; split engineering work into phases or pull requests; document scope, non-goals, API and behavior decisions, breaking changes, migrations, risks, testing, or validation; or transition a plan through draft, planned, in-progress, blocked, and completed states.

Create original visual art, posters, PNG assets, and PDF documents through a clear design philosophy.

Design and implementation guidance for distinctive landing pages, portfolios, product demos, and purposeful redesigns.

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.