Build scalable design systems with Tailwind CSS v4, design tokens, component libraries, and responsive patterns. Use when creating component libraries, implementing design systems, or standardizing UI patterns.
72
59%
Does it follow best practices?
Impact
92%
1.48xAverage score across 3 eval scenarios
Passed
No known issues
Optimize this skill with Tessl
npx tessl skill review --optimize ./tests/ext_conformance/artifacts/agents-wshobson/frontend-mobile-development/skills/tailwind-design-system/SKILL.mdQuality
Discovery
77%Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.
This is a solid description that clearly communicates both what the skill does and when to use it, with specific technologies named (Tailwind CSS v4, design tokens). Its main weaknesses are moderate trigger term coverage—missing common user phrasings like 'Tailwind', 'theme', 'styling'—and some potential overlap with general frontend component or CSS skills.
Suggestions
Add more natural trigger term variations such as 'Tailwind', 'theme', 'styling', 'utility classes', 'CSS variables', or 'UI kit' to improve discoverability.
Strengthen distinctiveness by clarifying what differentiates this from general CSS or component-building skills, e.g., mentioning it focuses on systematic token-based theming rather than one-off styling.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: 'Build scalable design systems', 'Tailwind CSS v4', 'design tokens', 'component libraries', 'responsive patterns'. These are concrete, identifiable capabilities. | 3 / 3 |
Completeness | Clearly answers both what ('Build scalable design systems with Tailwind CSS v4, design tokens, component libraries, and responsive patterns') and when ('Use when creating component libraries, implementing design systems, or standardizing UI patterns') with an explicit 'Use when' clause. | 3 / 3 |
Trigger Term Quality | Includes good terms like 'Tailwind CSS v4', 'design tokens', 'component libraries', 'responsive patterns', and 'design systems', but misses common user variations like 'Tailwind', 'theme', 'styling', 'CSS variables', 'utility classes', or 'UI kit'. | 2 / 3 |
Distinctiveness Conflict Risk | The mention of 'Tailwind CSS v4' and 'design tokens' provides some distinctiveness, but terms like 'component libraries' and 'UI patterns' could overlap with general frontend/React component skills or other CSS-related skills. The design system focus helps but isn't fully unique. | 2 / 3 |
Total | 10 / 12 Passed |
Implementation
42%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
The skill provides highly actionable, production-ready code examples for Tailwind v4 design systems with excellent coverage of patterns (CVA, compound components, dark mode, animations). However, it is severely bloated—most component implementations are boilerplate that Claude can generate from brief specifications. The content desperately needs progressive disclosure, splitting detailed component code into referenced files while keeping the SKILL.md as a lean overview with key v4 patterns and the migration checklist.
Suggestions
Extract full component implementations (Button, Card, Input, Dialog, ThemeProvider, Grid) into a separate COMPONENTS.md file and reference it from the main skill with a one-line description of each pattern.
Remove the complete dark mode color token overrides (they mirror the light theme structure) and replace with a brief note like 'Override the same --color-* variables in a .dark {} block with darker values'.
Cut the 'When to Use This Skill' section entirely—it describes use cases Claude can infer from the skill title and content.
Add validation steps to the migration checklist, e.g., 'Run `npx tailwindcss --input app.css --output out.css` to verify @theme compiles correctly' and 'Check browser DevTools for CSS custom properties on :root'.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill is extremely verbose at ~500+ lines. It includes full component implementations (Card with 6 sub-components, ThemeProvider, Dialog, Form with validation) that Claude can generate from minimal guidance. The dark mode token overrides repeat nearly identical patterns. The 'When to Use This Skill' section and conceptual hierarchy diagrams add little value. | 1 / 3 |
Actionability | All code examples are fully executable, copy-paste ready TypeScript/CSS with proper imports, type definitions, and usage examples. The CVA patterns, CSS configuration, and component implementations are concrete and complete. | 3 / 3 |
Workflow Clarity | The v3-to-v4 migration checklist provides a clear sequence, and the design token hierarchy is well-explained. However, there are no validation checkpoints (e.g., how to verify the theme is working, how to test dark mode, how to validate CSS output). For a design system setup involving multiple configuration steps, explicit verification steps would be valuable. | 2 / 3 |
Progressive Disclosure | This is a monolithic wall of content with no references to separate files. The full component implementations (Button, Card, Input, Label, Grid, Container, Dialog, ThemeProvider, ThemeToggle) should be in separate reference files. The CSS configuration, component patterns, and migration guide could each be their own documents linked from a concise overview. | 1 / 3 |
Total | 7 / 12 Passed |
Validation
90%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 10 / 11 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
skill_md_line_count | SKILL.md is long (875 lines); consider splitting into references/ and linking | Warning |
Total | 10 / 11 Passed | |
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