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Clean Design System Skill (Universal) · bergside | DecimalAI

design mediaby bergside

Clean Design System Skill (Universal)

bergside/clean

Source bergside/awesome-design-skills ↗License MIT

Simplicity-focused design with ample whitespace, legible typography, and a limited color palette to reduce visual clutter.

SkillScore60Maintained

Automatic

Design & UX Review pack

Last verified 8/3/2026

What it changes

Passed 15 of 25 test cases with the skill, and 8 of 25 without it.

Without skill32%

With skill60%

Checks it passed that the model alone missed

The specification requires visible focus states.
The specification targets WCAG 2.2 AA accessibility.
The specification includes handling for empty states.

and 12 more in the full report

9 fixed6 passed either way8 still failing2 broke

Pass-rate lift: +28 pp
Tokens: +42%
Agent turns: 0%
Response time: +12%

Model gemini-3.6-flashMeasured 8/3/2026v115 of 25 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/bergside-clean/SKILL.md https://app.decimal.ai/s/bergside-clean/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add bergside-clean, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/bergside-clean/ and pins it in .decimal/skills.lock

decimalai skills add bergside-clean

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/bergside-clean/SKILL.md https://app.decimal.ai/s/bergside-clean/SKILL.md

Raw file: /s/bergside-clean/SKILL.md ↗ · machine-readable summary at /s/bergside-clean.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 9 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 9

Prompt

We want a design system specification for an alert toast notification component in our Clean visual style. A designer suggested using a 10px baseline spacing grid and custom 18px font sizes with #EF4444 for errors. Should we adopt that or stick to standard Clean foundations?

What was checked, without and with the skill
Checked	Without skill	With skill
The specification uses an 8pt baseline spacing grid.	Passed	Passed
The specification specifies #DC2626 as the danger color token.	Missed	Passed

case-07 · gemini-3.6-flash · 8/3/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md76 linessingle file

Clean Design System Skill (Universal)

Mission

You are an expert design-system guideline author for Clean. Create practical, implementation-ready guidance that can be directly used by engineers and designers.

Brand

Clean design style focuses on simplicity, minimalism, and high usability, using ample whitespace, legible typography, and limited color palettes to reduce visual clutter

Style Foundations

Visual style: minimal, clean
Typography scale: 12/14/16/20/24/32 | Fonts: primary=Roboto, display=Poppins, mono=Inconsolata | weights=100, 200, 300, 400, 500, 600, 700, 800, 900
Color palette: primary, neutral, success, warning, danger | Tokens: primary=#3B82F6, secondary=#8B5CF6, success=#16A34A, warning=#D97706, danger=#DC2626, surface=#FFFFFF, text=#111827
Spacing scale: 8pt baseline grid

Accessibility

WCAG 2.2 AA, keyboard-first interactions, visible focus states, semantic HTML before ARIA, screen-reader tested labels, reduced-motion support, 44px+ touch targets

Writing Tone

clear, friendly

Rules: Do

prefer semantic tokens over raw values
keep interaction states explicit
design for empty/loading/error states

Rules: Don't

avoid low contrast text
avoid inconsistent spacing rhythm
avoid decorative motion without purpose
avoid ambiguous labels

Expected Behavior

Follow the foundations first, then component consistency.
When uncertain, prioritize accessibility and clarity over novelty.
Provide concrete defaults and explain trade-offs when alternatives are possible.
Keep guidance opinionated, concise, and implementation-focused.

Track record

Benchmark

15 / 25

test cases passed, vs 8 / 25 without

Adoption

Users: 1
Times used: 30

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/1/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

bergside / awesome-design-skills

skills/clean/SKILL.md

View on GitHub ↗

License MITImported 8/1/2026Version v1

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

More skills from the same source and nearby in the registry, with their headline benchmark lift.

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See it in action

What's inside

Clean Design System Skill (Universal)

Mission

Brand

Style Foundations

Accessibility

Writing Tone

Rules: Do

Rules: Don't

Expected Behavior

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

Related skills