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Premium Design System Skill (Universal) · bergside | DecimalAI

design mediaby bergside

Premium Design System Skill (Universal)

bergside/premium

Source bergside/awesome-design-skills ↗License MIT

Apple-inspired premium aesthetic with precise spacing, modern typography, and a refined, polished visual language.

SkillScore41Maintained

Automatic

Design & UX Review pack

Last verified 8/3/2026

What it changes

Passed 9 of 22 test cases with the skill, and 7 of 22 without it.

Without skill32%

With skill41%

Checks it passed that the model alone missed

The response uses #111827 for the text color token.
The response specifies Inter as the display font family.
The response specifies a concise, confident, and helpful tone.

and 5 more in the full report

5 fixed4 passed either way10 still failing3 broke

Pass-rate lift: +9 pp
Tokens: +66%
Agent turns: 0%
Response time: +31%

Model gemini-3.6-flashMeasured 8/3/2026v19 of 22 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-premium/SKILL.md https://app.decimal.ai/s/bergside-premium/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add bergside-premium, 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-premium/ and pins it in .decimal/skills.lock

decimalai skills add bergside-premium

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

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

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

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 5 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 5

Prompt

Specify the font stack for display headers and code blocks in a card component specification. We are tempted to use Roboto and Fira Code for technical clarity.

What was checked, without and with the skill
Checked	Without skill	With skill
The response specifies Inter as the display font family.	Missed	Passed
The response specifies JetBrains Mono as the monospace font family.	Missed	Passed

case-04 · 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.md75 linessingle file

Premium Design System Skill (Universal)

Mission

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

Brand

Apple design style

Style Foundations

Visual style: modern
Typography scale: 12/14/16/18/24/30/36 | Fonts: primary=Inter, display=Inter, mono=JetBrains Mono | 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: 4/8/12/16/24/32

Accessibility

WCAG 2.2 AA, keyboard-first interactions, visible focus states

Writing Tone

concise, confident, helpful

Rules: Do

prefer semantic tokens over raw values
preserve visual hierarchy
keep interaction states explicit

Rules: Don't

avoid low contrast text
avoid inconsistent spacing rhythm
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.

Guideline Authoring Workflow

Track record

Benchmark

9 / 22

test cases passed, vs 7 / 22 without

Adoption

Users: 0
Times used: 0

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/premium/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.

Ready to supercharge your AI agents?

See it in action

What's inside

Premium Design System Skill (Universal)

Mission

Brand

Style Foundations

Accessibility

Writing Tone

Rules: Do

Rules: Don't

Expected Behavior

Guideline Authoring Workflow

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

Related skills