Desktop Principles is an agent skill from AThevon/genjutsu. Desktop-specific UX principles - hover states, pointer precision, keyboard shortcuts, multi-window, focus management. Covers macOS, Windows, Linux, web desktop.
Its SKILL.md is about 3.3k tokens, which your agent loads only when the skill is triggered. The skill folder holds 3 other files, including reference files (for example `references/keyboard-patterns.md` and `references/multi-window.md`).
It sits in Frontend & Design. It works with macOS, Linux and iOS. The repository describes itself as: Creative coding skills for Claude Code, claude.ai and Cowork. Motion, micro-interactions and design systems across Web (GSAP, Motion, Three.js, CSS), Android (Jetpack Compose)…