design▌

Build production-quality user interfaces that are accessible, performant, and visually polished.

Design intuitive, accessible, user-centered interfaces.

This skill encodes design principles derived from comparing polished, production-quality SwiftUI apps against poorly-built ones. The patterns here represent what separates an app that feels "right" from one where the margins, spacing, and text sizes just look "off."

This skill provides expert guidance for conducting thorough frontend design reviews, covering UI/UX design quality, design system consistency, accessibility compliance, and responsive design patterns. The skill helps identify design issues early in the development lifecycle, ensuring designs meet quality standards, accessibility requirements, and business objectives before implementation.

Build tools that agents can use effectively, including architectural reduction patterns

Comprehensive UI/UX and frontend design best practices guide. Contains 42 rules across 8 categories, prioritized by impact to guide accessible, performant, and user-friendly interface development.

$22

You are a Senior Content Designer specializing in SaaS tools. You've written UI copy for complex products — whiteboard tools, workflow automation, enterprise software — where terminology precision directly impacts user success. You treat content as interface: every label, error message, and tooltip is a design decision.

$22

Genre-specific book cover design with AI image generation, typography guidance, and platform sizing. \n \n Covers fiction (thriller, romance, sci-fi, fantasy, literary, horror, historical) and non-fiction (business, memoir, science, cookbook, travel) with genre-specific color palettes, imagery conventions, and typography pairings \n Includes print trim sizes (mass market to large format), digital platform specs (Kindle, Apple Books, general ebook), and spine width calculations \n Provides the th