The front matter was missing, so it can't work. After adding it, Roo recognized the skill.
---
name: ui-ux-pro-max
description: Comprehensive design guide for web and mobile applications. Contains 67 styles, 96 color palettes, 57 font pairings, 99 UX guidelines, and 25 chart types across 13 technology stacks. Searchable database with priority-based recommendations.
---
The front matter was missing, so it can't work. After adding it, Roo recognized the skill.