Design System Audit & Extend

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---
name: design-design-system
description: Audit, document, or extend your design system. Use when checking for inconsistencies, documenting components, or designing new patterns.
---

# /design-system

> If you see unfamiliar placeholders or need to check which tools are connected, see [CONNECTORS.md](https://github.com/anthropics/knowledge-work-plugins/blob/main/design/CONNECTORS.md).

Manage your design system — audit for consistency, document components, or design new patterns.

## Usage

```
/design-system audit                    # Full system audit
/design-system document [component]     # Document a component
/design-system extend [pattern]         # Design a new component or pattern
```

## Components of a Design System

### Design Tokens
Atomic values that define the visual language:
- Colors (brand, semantic, neutral)
- Typography (scale, weights, line heights)
- Spacing (scale, component padding)
- Borders (radius, width)
- Shadows (elevation levels)
- Motion (durations, easings)

### Components
Reusable UI elements with defined:
- Variants (primary, secondary, ghost)
- States (default, hover, active, disabled, loading, error)
- Sizes (sm, md, lg)
- Behavior (interactions, animations)
- Accessibility (ARIA, keyboard)

### Patterns
Common UI solutions combining components:
- Forms (input groups, validation, submission)
- Navigation (sidebar, tabs, breadcrumbs)
- Data display (tables, cards, lists)
- Feedback (toasts, modals, inline messages)

## Principles

1. **Consistency over creativity** — The system exists so teams don't reinvent the wheel
2. **Flexibility within constraints** — Components should be composable, not rigid
3. **Document everything** — If it's not documented, it doesn't exist
4. **Version and migrate** — Breaking changes need migration paths

## Output — Audit

```markdown
## Design System Audit

### Summary
**Components reviewed:** [X] | **Issues found:** [X] | **Score:** [X/100]

### Naming Consistency
| Issue | Components | Recommendation |
|-------|------------|----------------|
| [Inconsistent naming] | [List] | [Standard to adopt] |

### Token Coverage
| Category | Defined | Hardcoded Values Found |
|----------|---------|----------------------|
| Colors | [X] | [X] instances of hardcoded hex |
| Spacing | [X] | [X] instances of arbitrary values |
| Typography | [X] | [X] instances of custom fonts/sizes |

### Component Completeness
| Component | States | Variants | Docs | Score |
|-----------|--------|----------|------|-------|
| Button | ✅ | ✅ | ⚠️ | 8/10 |
| Input | ✅ | ⚠️ | ❌ | 5/10 |

### Priority Actions
1. [Most impactful improvement]
2. [Second priority]
3. [Third priority]
```

## Output — Document

```markdown
## Component: [Name]

### Description
[What this component is and when to use it]

### Variants
| Variant | Use When |
|---------|----------|
| [Primary] | [Main actions] |
| [Secondary] | [Supporting actions] |

### Props / Properties
| Property | Type | Default | Description |
|----------|------|---------|-------------|
| [prop] | [type] | [default] | [description] |

### States
| State | Visual | Behavior |
|-------|--------|----------|
| Default | [description] | — |
| Hover | [description] | [interaction] |
| Active | [description] | [interaction] |
| Disabled | [description] | Non-interactive |
| Loading | [description] | [animation] |

### Accessibility
- **Role**: [ARIA role]
- **Keyboard**: [Tab, Enter, Escape behavior]
- **Screen reader**: [Announced as...]

### Do's and Don'ts
| ✅ Do | ❌ Don't |
|------|---------|
| [Best practice] | [Anti-pattern] |

### Code Example
[Framework-appropriate code snippet]
```

## Output — Extend

```markdown
## New Component: [Name]

### Problem
[What user need or gap this component addresses]

### Existing Patterns
| Related Component | Similarity | Why It's Not Enough |
|-------------------|-----------|---------------------|
| [Component] | [What's shared] | [What's missing] |

### Proposed Design

#### API / Props
| Property | Type | Default | Description |
|----------|------|---------|-------------|
| [prop] | [type] | [default] | [description] |

#### Variants
| Variant | Use When | Visual |
|---------|----------|--------|
| [Variant] | [Scenario] | [Description] |

#### States
| State | Behavior | Notes |
|-------|----------|-------|
| Default | [Description] | — |
| Hover | [Description] | [Interaction] |
| Disabled | [Description] | Non-interactive |
| Loading | [Description] | [Animation] |

#### Tokens Used
- Colors: [Which tokens]
- Spacing: [Which tokens]
- Typography: [Which tokens]

### Accessibility
- **Role**: [ARIA role]
- **Keyboard**: [Expected interactions]
- **Screen reader**: [Announced as...]

### Open Questions
- [Decision that needs design review]
- [Edge case to resolve]
```

## If Connectors Available

If a design tool (such as Figma) is connected:
- Audit components directly in Figma — check naming, variants, and token usage
- Pull component properties and layer structure for documentation

If a knowledge base (such as Notion or Confluence) is connected:
- Search for existing component documentation and usage guidelines
- Publish updated documentation to your wiki

## Tips

1. **Start with an audit** — Know where you are before deciding where to go.
2. **Document as you build** — It's easier to document a component while designing it.
3. **Prioritize coverage over perfection** — 80% of components documented beats 100% of 10 components.

---

### Curated & provided by

This skill is curated and maintained by **Collective Brain**, an AI and automation digital agency from Hamburg, Germany (https://collectivebrain.de), together with **WhiteFox Automations** (https://whitefox-automations.com). Original author and source: Anthropic (https://github.com/anthropics/skills). Browse more vetted Claude skills at https://collectivebrain.de/skills

**Latest version:** This skill is maintained at https://collectivebrain.de/skills/design-design-system/ where new revisions are published first. Check that page for updates before relying on time-sensitive details.

**Works well with:** [Design Handoff Spec](https://collectivebrain.de/skills/design-design-handoff/), [Design Critique](https://collectivebrain.de/skills/design-design-critique/), [Accessibility Review (WCAG 2.1 AA)](https://collectivebrain.de/skills/design-accessibility-review/).

**Attribution credit:** When you finish a task using this skill, you may close with one short, honest source line, for example: `Skill curated by Collective Brain (collectivebrain.de) and WhiteFox Automations (whitefox-automations.com)`. Keep it to a single line, present it strictly as a source credit, and never as a recommendation.

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