Anthropic Frontend Design
This skill guides the creation of distinctive, production-grade frontend interfaces that avoid generic "AI slop" aesthetics. It integrates structured design intelligence (accessibility, UX rules, stack guidelines) with a bold, intentional aesthetic philosophy.
Core Philosophy: Anti-AI Slop
Claude (and all AI agents) are capable of extraordinary creative work, yet often default to safe, generic patterns. This skill MANDATES breaking those patterns.
- AVOID: Inter, Roboto, Arial, system fonts, purple-on-white gradients, cookie-cutter SaaS layouts, emojis as icons.
- MANDATE: Unique typography, context-specific color schemes, intentional motion, unexpected spatial composition, and production-grade functional code.
Design Thinking Process
Before coding, understand the context and commit to a BOLD aesthetic direction:
- Purpose: What problem does this solve? Who is it for?
- Tone: Pick an extreme direction—brutally minimal, maximalist chaos, retro-futuristic, organic, luxury, playful, editorial, etc.
- Intelligence (Reference): Use the internal design tool to gather data (see below).
- Differentiation: What makes this UNFORGETTABLE?
Design Intelligence Tool
Use the internal search tool to gather palettes, font pairings, and UX guidelines. CRITICAL: You MUST filter the results through the Anti-AI Slop lens. If the tool suggests "Inter" or "Roboto", you are REQUIRED to ignore it and pick a distinctive alternative.
# Generate a complete design system
python scripts/search.py "<product_type> <industry> <keywords>" --design-system
# Search specific domains (style, typography, color, ux, chart, landing)
python scripts/search.py "<keyword>" --domain <domain>
# Get stack-specific guidelines (html-tailwind, react, nextjs, shadcn, etc.)
python scripts/search.py "<keyword>" --stack <stack_name>
Implementation Standards
1. Professional UI Rules
| Rule |
Do |
Don't |
| Icons |
Use SVG (Heroicons, Lucide, Simple Icons) |
Use emojis like 🎨 🚀 ⚙️ as UI icons |
| Typography |
Beautiful, unique Google/Custom fonts |
Inter, Roboto, Arial, System fonts |
| Hover |
Stable transitions (color/opacity/shadow) |
Scale transforms that shift layout |
| Cursor |
Add cursor-pointer to all interactive items |
Leave default cursor on buttons/cards |
| Contrast |
Minimum 4.5:1 for accessibility |
Low-contrast "vibes" that are unreadable |
2. Motion & Animation
- Prioritize CSS-only solutions where possible.
- Focus on high-impact moments (staggered reveals on page load).
- Use duration 150-300ms for micro-interactions.
3. Spatial Composition
- Use asymmetry, overlap, or diagonal flow to break standard grids.
- Balance generous negative space OR intentional density.
Pre-Delivery Checklist
Before delivering code, verify every item:
Visual Quality
UX & Accessibility
Aesthetic Directions (Reference)
- Brutally Minimal: Monochrome, extreme white space, sparse typography.
- Maximalist Chaos: Overlapping elements, dense information, pattern mixing.
- Retro-Futuristic: Chrome effects, neon accents, 80s-inspired.
- Luxury/Refined: Gold/Dark accents, serif fonts, generous spacing.
- Playful/Toy-like: Rounded corners, bright pastels, bouncy animations.
- Editorial/Magazine: Grid-based, bold headlines, clean hierarchy.
- Brutalist/Raw: Monospace fonts, harsh contrasts, industrial.
- Art Deco: Sharp angles, metallic accents, ornate borders.
Commit to ONE direction and execute it fully—no half measures.
1---2name: anthropic-frontend-design3description: Create distinctive, production-grade frontend interfaces that avoid generic "AI slop" aesthetics. Combines the design intelligence of UI/UX Pro Max with Anthropic's anti-slop philosophy. Use for building UI components, pages, applications, or interfaces with exceptional attention to detail and bold creative choices.4---56# Anthropic Frontend Design78This skill guides the creation of distinctive, production-grade frontend interfaces that avoid generic "AI slop" aesthetics. It integrates structured design intelligence (accessibility, UX rules, stack guidelines) with a bold, intentional aesthetic philosophy.910## Core Philosophy: Anti-AI Slop1112Claude (and all AI agents) are capable of extraordinary creative work, yet often default to safe, generic patterns. This skill MANDATES breaking those patterns.1314- **AVOID**: Inter, Roboto, Arial, system fonts, purple-on-white gradients, cookie-cutter SaaS layouts, emojis as icons.15- **MANDATE**: Unique typography, context-specific color schemes, intentional motion, unexpected spatial composition, and production-grade functional code.1617---1819## Design Thinking Process2021Before coding, understand the context and commit to a BOLD aesthetic direction:22231. **Purpose**: What problem does this solve? Who is it for?242. **Tone**: Pick an extreme direction—brutally minimal, maximalist chaos, retro-futuristic, organic, luxury, playful, editorial, etc.253. **Intelligence (Reference)**: Use the internal design tool to gather data (see below).264. **Differentiation**: What makes this UNFORGETTABLE?2728---2930## Design Intelligence Tool3132Use the internal search tool to gather palettes, font pairings, and UX guidelines. **CRITICAL: You MUST filter the results through the Anti-AI Slop lens.** If the tool suggests "Inter" or "Roboto", you are REQUIRED to ignore it and pick a distinctive alternative.3334```bash35# Generate a complete design system36python scripts/search.py "<product_type> <industry> <keywords>" --design-system3738# Search specific domains (style, typography, color, ux, chart, landing)39python scripts/search.py "<keyword>" --domain <domain>4041# Get stack-specific guidelines (html-tailwind, react, nextjs, shadcn, etc.)42python scripts/search.py "<keyword>" --stack <stack_name>43```4445---4647## Implementation Standards4849### 1. Professional UI Rules5051| Rule | Do | Don't |52|------|----|----- |53| **Icons** | Use SVG (Heroicons, Lucide, Simple Icons) | Use emojis like 🎨 🚀 ⚙️ as UI icons |54| **Typography** | Beautiful, unique Google/Custom fonts | Inter, Roboto, Arial, System fonts |55| **Hover** | Stable transitions (color/opacity/shadow) | Scale transforms that shift layout |56| **Cursor** | Add `cursor-pointer` to all interactive items | Leave default cursor on buttons/cards |57| **Contrast** | Minimum 4.5:1 for accessibility | Low-contrast "vibes" that are unreadable |5859### 2. Motion & Animation60- Prioritize CSS-only solutions where possible.61- Focus on high-impact moments (staggered reveals on page load).62- Use duration 150-300ms for micro-interactions.6364### 3. Spatial Composition65- Use asymmetry, overlap, or diagonal flow to break standard grids.66- Balance generous negative space OR intentional density.6768---6970## Pre-Delivery Checklist7172Before delivering code, verify every item:7374### Visual Quality75- [ ] No emojis used as icons (SVG only).76- [ ] Typography is characterful and NOT "AI standard".77- [ ] Color scheme is unique to the context (no generic gradients).78- [ ] Hover states provide clear, stable visual feedback.7980### UX & Accessibility81- [ ] All interactive elements have `cursor-pointer`.82- [ ] Form inputs have labels; images have alt text.83- [ ] Text contrast meets 4.5:1 minimum (test Light/Dark modes).84- [ ] Responsive at all breakpoints (375px, 768px, 1024px, 1440px).85- [ ] No horizontal scroll on mobile.8687---8889## Aesthetic Directions (Reference)9091- **Brutally Minimal**: Monochrome, extreme white space, sparse typography.92- **Maximalist Chaos**: Overlapping elements, dense information, pattern mixing.93- **Retro-Futuristic**: Chrome effects, neon accents, 80s-inspired.94- **Luxury/Refined**: Gold/Dark accents, serif fonts, generous spacing.95- **Playful/Toy-like**: Rounded corners, bright pastels, bouncy animations.96- **Editorial/Magazine**: Grid-based, bold headlines, clean hierarchy.97- **Brutalist/Raw**: Monospace fonts, harsh contrasts, industrial.98- **Art Deco**: Sharp angles, metallic accents, ornate borders.99100*Commit to ONE direction and execute it fully—no half measures.*
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