CtrlK
BlogDocsLog inGet started
Tessl Logo

antigravity-design-expert

Core UI/UX engineering skill for building highly interactive, spatial, weightless, and glassmorphism-based web interfaces using GSAP and 3D CSS.

61

Quality

72%

Does it follow best practices?

Run evals on this skill

Adds up to 20 points to the overall score

View guide

SecuritybySnyk

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./plugins/AI-Agents-Safe-Coding-Skills/skills/antigravity-design-expert/SKILL.md

The canonical home for this skill is antigravity-design-expert in sickn33/agentic-awesome-skills

SKILL.md
Quality
Evals
Security

Quality

Content

78%Weight 40%Scale 1-5

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

The body is lean, well-structured, and provides concrete, actionable CSS/animation values rather than restating concepts Claude already knows. Its main weakness is the absence of a complete runnable component example to anchor the rules.

Suggestions

Trim decorative role language (e.g., "world-class", "buttery-smooth", "like dominoes") to keep every token instructional.

Add one small complete executable example (e.g., a glassmorphism card component with a GSAP ScrollTrigger entrance) to lift actionability to fully copy-paste ready.

Include a brief ordered build/verify step (build component -> toggle prefers-reduced-motion -> check will-change perf) to make the workflow explicit.

DimensionReasoningScore

Conciseness

Mostly efficient and assumes Claude knows the named libraries, but retains light padding in the role preamble ("world-class UI/UX Engineer", "buttery-smooth", "like dominoes") that could be trimmed.

4 / 5

Actionability

Gives concrete, copy-pasteable values (e.g., `box-shadow: 0 20px 40px rgba(0,0,0,0.05)`, `backdrop-filter: blur(12px)`, `transform: rotateX(60deg) rotateZ(-45deg)`), though it lacks complete executable component code blocks.

4 / 5

Workflow Clarity

A single-purpose design-guidance skill with clearly organized sections; the simple-skill exception applies and no destructive/batch validation is needed, but there is no explicit build/verify sequence.

4 / 5

Progressive Disclosure

Under 50 lines with no need for external references and cleanly organized into well-labeled sections, satisfying the rubric's short-skill exception for progressive disclosure.

5 / 5

Total

17

/

20

Passed

Description

66%Weight 40%Scale 1-5

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 clearly states what the skill builds and names a recognizable niche with several natural trigger terms, but it omits any explicit "Use when..." guidance, which limits its completeness and triggerability.

Suggestions

Add a "Use when..." clause listing concrete trigger phrases (e.g., "Use when building glassmorphism interfaces, GSAP scroll animations, isometric card grids, or floating/spatial UI").

Include additional natural synonyms users might say, such as "animation", "parallax", "frosted glass", or "scroll-linked motion", to broaden trigger coverage.

Lead with verb-based actions (e.g., "Builds, animates, and styles...") instead of descriptive adjectives to sharpen specificity.

DimensionReasoningScore

Specificity

Names the domain and several concrete capabilities ("highly interactive, spatial, weightless, and glassmorphism-based web interfaces using GSAP and 3D CSS"), with only minor coverage gaps compared to a full verb-action list.

4 / 5

Completeness

Has a clear "what" (build interactive/glassmorphism web interfaces) but no explicit "Use when..." trigger clause, which caps completeness at 3 per the rubric guidelines.

3 / 5

Trigger Term Quality

Includes natural terms a user would say ("glassmorphism", "GSAP", "3D CSS", "web interfaces") but misses common synonyms like "animation", "parallax", or "scroll animation".

4 / 5

Distinctiveness Conflict Risk

Targets a fairly distinct niche (Antigravity/glassmorphism + GSAP + 3D CSS), with only minor overlap risk against generic UI/animation skills.

4 / 5

Total

15

/

20

Passed

Validation

93%

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

Validation15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

15

/

16

Passed

Repository
administrakt0r/AI-Agents-Safe-Coding-Skills
Reviewed

Table of Contents

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.