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Skills for Design Engineers

github.com/emilkowalski/skills
Visit emilkowal.ski
Category
Developer Tools
Rank
No. 98Tools index
Pricing
Free
Type
TOOL
Added
Jun 30, 2026

About

A collection of AI agent skills by Emil Kowalski that give coding agents design-engineering taste — better animation easing, timing, and UI polish. Installable via npx; MIT licensed.

What it does

It gives coding agents a decision system for interface craft. Separate skills build, critique, audit, prototype, and troubleshoot UI work, using explicit gates, reference values, recipes, and required output formats.

Why it's ranked here

The material turns subjective animation advice into repeatable engineering choices. It checks whether motion belongs before choosing tools, properties, timing, or easing. That strong stance is useful, though teams must decide whether its fixed rules match their product.

What's good

The guidance is unusually concrete. It supplies exact easing curves, duration ranges, spring settings, reduced-motion handling, hover gating, and performance constraints. Ready-made recipes cover common components, while specialized skills separate implementation, focused review, repository-wide auditing, and variant exploration.

Tradeoffs

The rules are deliberately prescriptive, including blanket rejection of animation for frequent or keyboard-driven actions. Much of the material reflects one author’s design philosophy. Coverage centers on web interfaces, motion, prototyping, library selection, and Sonner rather than broad visual design or general software engineering.

How to use it well

Use it with a coding agent during frontend implementation, motion review, interface audits, or focused prototype exploration. It best suits teams wanting consistent, opinionated defaults and exact corrective guidance. Keep human feel checks in the loop. It does not replace general code review, backend guidance, or product research.

Technical notes+

README.md installs the repository through npx skills@latest add emilkowalski/skills and lists ten agent skills. Each skill uses Markdown with YAML front matter for names, descriptions, and invocation controls. skills/animate/SKILL.md defines a seven-stage build sequence and loads skills/animate/RECIPES.md for component patterns. skills/prototype/SKILL.md requires an isolated prototype surface and delegates fixed picker markup, CSS, keyboard behavior, URL persistence, and remount logic to skills/prototype/PICKER.md. skills/ask-sonner/SKILL.md links to skills/ask-sonner/API.md for exact React toast props and defaults. skills/review-animations/SKILL.md requires findings tables, impact-tier verdicts, and file-line citations.

Observed

License
MIT License
Primary format
Markdown instruction files with YAML front matter
Install surface
npx skills CLI using npx skills@latest add emilkowalski/skills
Interface
AI agent skills, including construction, review, audit, prototyping, lookup, and troubleshooting workflows
Documented scope
README lists ten skills
Platform focus
Web interface design, CSS animation, JavaScript animation, React examples, and pointer interactions

Read from README.md, LICENSE, skills/animate/SKILL.md, skills/ask-sonner/API.md, skills/animate/RECIPES.md, skills/prototype/SKILL.md, skills/ask-sonner/SKILL.md, skills/prototype/PICKER.md, skills/apple-design/SKILL.md, skills/emil-design-eng/SKILL.md, skills/pick-ui-library/SKILL.md, skills/review-animations/SKILL.md, skills/improve-animations/AUDIT.md.

Tags

ai-skillsdesign-engineeringanimationsclaudeui

Media

Skills for Design Engineers

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Indexed by a proprietary survey. Corrections welcome.