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frontend-design

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.

72

1.09x
Quality

58%

Does it follow best practices?

Impact

96%

1.09x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./plugins/frontend-design/skills/frontend-design/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Discovery

67%

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description has good structural completeness with an explicit 'Use when' clause and clearly states both purpose and trigger conditions. However, it lacks specificity in concrete actions and could benefit from more natural trigger terms that users would actually say. The distinctiveness is moderate—the emphasis on design quality helps differentiate it, but the broad scope of 'web components, pages, or applications' risks overlap with other coding skills.

Suggestions

Add more specific concrete actions like 'build responsive layouts, implement animations, create styled forms, design landing pages' to increase specificity.

Expand trigger terms to include natural user language like 'HTML', 'CSS', 'website', 'UI', 'landing page', 'dashboard', 'React component', '.html' to improve keyword coverage.

DimensionReasoningScore

Specificity

Names the domain (frontend interfaces) and some actions (build web components, pages, applications, generates code), but lacks specific concrete actions like 'create responsive layouts, implement animations, style forms' that would make it more comprehensive.

2 / 3

Completeness

Clearly answers both what ('Create distinctive, production-grade frontend interfaces') and when ('Use this skill when the user asks to build web components, pages, or applications') with an explicit 'Use when' clause.

3 / 3

Trigger Term Quality

Includes some relevant terms like 'web components', 'pages', 'applications', and 'frontend interfaces', but misses many natural user terms like 'HTML', 'CSS', 'website', 'UI', 'landing page', 'dashboard', 'React', 'styling', or file extensions.

2 / 3

Distinctiveness Conflict Risk

The description focuses on 'high design quality' and avoiding 'generic AI aesthetics' which provides some distinction, but 'frontend interfaces', 'web components', and 'applications' are broad enough to overlap with general coding skills or framework-specific skills.

2 / 3

Total

9

/

12

Passed

Implementation

50%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This skill provides a strong conceptual framework for creating distinctive frontend interfaces and clearly articulates what to avoid, but it falls short on actionability by lacking any concrete code examples, starter templates, or output format specifications. The workflow is loosely structured without validation steps, and the motivational tone adds tokens without adding value. It reads more like a design manifesto than an executable skill guide.

Suggestions

Add 1-2 concrete code examples showing a distinctive component implementation (e.g., a hero section with CSS variables, custom fonts, and animation) to demonstrate the expected output quality and style.

Define an explicit workflow with numbered steps: analyze requirements → choose aesthetic direction → implement → validate (accessibility, responsiveness, performance) → refine.

Remove motivational/aspirational language ('Don't hold back', 'Claude is capable of extraordinary creative work') that doesn't add actionable guidance and wastes tokens.

Consider creating separate reference files for curated font pairings, color palette examples, and animation patterns that can be referenced from the main skill.

DimensionReasoningScore

Conciseness

The skill contains some unnecessary motivational language ('Claude is capable of extraordinary creative work', 'Don't hold back') and repetitive emphasis on avoiding generic aesthetics (stated multiple times). The design thinking section and aesthetics guidelines are mostly useful but could be tightened—some bullet points explain concepts Claude already understands about design.

2 / 3

Actionability

The skill provides concrete design direction and specific anti-patterns to avoid (named fonts, color schemes), but lacks any executable code examples, starter templates, or concrete output formats. It describes what to do conceptually but doesn't show how—no example component, no CSS variable structure, no animation snippet. For a frontend coding skill, the absence of any code example is a significant gap.

2 / 3

Workflow Clarity

There is a loose two-phase workflow (design thinking → implementation) but no explicit sequencing, validation checkpoints, or feedback loops. For a skill that produces production-grade code, there's no mention of testing, browser compatibility checks, accessibility validation, or iterative refinement steps.

2 / 3

Progressive Disclosure

The content is organized into clear sections (Design Thinking, Frontend Aesthetics Guidelines) which is good, but everything is inline in a single file with no references to supporting materials. Given the breadth of topics covered (typography, color, motion, spatial composition, backgrounds), some of these could benefit from separate reference files with curated font pairings, color palette examples, or animation snippets.

2 / 3

Total

8

/

12

Passed

Validation

100%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation11 / 11 Passed

Validation for skill structure

No warnings or errors.

Repository
anthropics/claude-plugins-official
Reviewed

Table of Contents

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