Your AI stops guessing at spacing and hierarchy and starts making the calls a designer would, so what it builds looks intentional, not assembled.
The judgment calls that make a layout feel right, written as rules an agent can actually follow. Hierarchy, spacing, alignment, and knowing when to stop.
Run the installer in your terminal to add this skill to your project:
Omit the skill name to pick from all skills at once, and rename skills during install if you prefer different slash commands.
Once installed, use it when you're laying out a screen from scratch, or an existing one looks off and you can't say why. For example: