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.

Quality

58%

Does it follow best practices?

Impact

Pending

No eval scenarios have been run

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./skills/frontend-design/SKILL.md

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 a clear structure with explicit 'what' and 'when' clauses, which is its strongest aspect. However, it lacks specific concrete actions beyond the general 'build' and 'generate code', and the trigger terms are too broad to reliably distinguish it from other frontend or coding skills. The unique value proposition around design quality and avoiding AI aesthetics is interesting but could be better supported with more specific capabilities.

Suggestions

Add more specific concrete actions like 'create responsive layouts, implement animations, design landing pages, build interactive dashboards' to improve specificity.

Expand trigger terms to include natural user language like 'HTML', 'CSS', 'website', 'UI design', 'landing page', 'React', 'styled components', or 'beautiful interface' to improve keyword coverage.

Clarify what distinguishes this from a general frontend coding skill—e.g., specify that it focuses on visual design, aesthetics, and polish rather than functionality or logic.

Dimension	Reasoning	Score
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 with high design quality' and 'Generates creative, polished code') and when ('Use this skill when the user asks to build web components, pages, or applications') with an explicit trigger clause.	3 / 3
Trigger Term Quality	Includes some relevant terms like 'web components', 'pages', 'applications', and 'frontend interfaces', but misses common user variations like 'HTML', 'CSS', 'website', 'UI', 'landing page', 'React component', 'dashboard', or file extensions.	2 / 3
Distinctiveness Conflict Risk	The emphasis on 'high design quality' and avoiding 'generic AI aesthetics' provides some differentiation, but 'web components, pages, or applications' is broad enough to overlap with general coding skills, React skills, or other frontend-related 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 clear creative direction and useful design principles for avoiding generic AI aesthetics, with good categorical guidance on typography, color, motion, and layout. However, it lacks concrete executable examples (no code snippets showing implementation), relies heavily on descriptive/motivational language rather than actionable instructions, and misses validation steps for ensuring output quality. The skill would benefit significantly from concrete code examples demonstrating the aesthetic principles it describes.

Suggestions

Add 1-2 concrete code examples showing a distinctive implementation (e.g., a CSS snippet with creative typography pairing, custom properties, and animation) to make the guidance actionable and copy-paste ready.

Remove motivational/aspirational language ('Remember: Codex is capable of extraordinary creative work...') that doesn't add actionable value and wastes tokens.

Add a brief validation checklist at the end (e.g., 'Before delivering: verify no default fonts remain, confirm CSS variables are used for theming, test animations perform smoothly') to improve workflow clarity.

Consider extracting the detailed aesthetics guidelines into a separate AESTHETICS_REFERENCE.md file and keeping SKILL.md as a concise overview with links.

Dimension	Reasoning	Score
Conciseness	The skill contains some unnecessary motivational language ('Remember: Codex is capable of extraordinary creative work. Don't hold back...') and repetitive emphasis on avoiding generic aesthetics (stated multiple times). However, most content is relevant guidance that Claude wouldn't inherently know about the user's design preferences.	2 / 3
Actionability	The skill provides specific design principles (typography pairing, color variables, animation approaches) and names concrete tools (Motion library for React), but lacks any executable code examples, specific CSS snippets, or concrete before/after demonstrations. It describes what to do rather than showing how.	2 / 3
Workflow Clarity	There is a clear two-phase workflow (Design Thinking → Implementation) with the design thinking phase having structured sub-steps. However, there are no validation checkpoints, no explicit sequence for the implementation phase, and no feedback loops for checking design quality or code correctness.	2 / 3
Progressive Disclosure	The content is reasonably structured with clear sections (Design Thinking, Frontend Aesthetics Guidelines) but is somewhat monolithic. The detailed aesthetics guidelines could benefit from being split into a reference file, and there are no references to external resources or supplementary files.	2 / 3
	Total	8 / 12 Passed

Validation

100%

Warnings & errors only

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

Validation — 11 / 11 Passed

Validation for skill structure

No warnings or errors.

Repository: am-will/codex-skills
Commit: 633b7e0

Reviewed: 5 days ago

Table of Contents

Discovery Implementation Validation

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