clean

A reusable visual style guide for simple websites with generous whitespace, readable system fonts, white surfaces, and blue accents.

In plain words
What is it for?
It helps build clean landing pages, forms, cards, navigation, responsive sections, and other straightforward frontend interfaces.
Why use it?
It reduces visual clutter by limiting decoration and using a consistent structure for content, controls, and sections.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/aimeos/pagible/theme
Any agent
npx skills add aimeos/pagible --skill theme
Clone the repo
git clone --depth 1 https://github.com/aimeos/pagible

Made for: Claude Code, Codex.

Per session 25 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,236 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00025 $0.01236
Opus 5 $0.00013 $0.00618
Sonnet 5 $0.00005 $0.00247
Haiku 4.5 $0.00003 $0.00124

Measured 3d ago against content hash 74b0456eb867, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

clean scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

The scan reads SKILL.md. This mod also ships 9 executable files (coverage-setup.mjs, coverage-teardown.mjs, coverage.config.mjs, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

theme/SKILL.md · 87 lines

How it starts

The opening of the file, as written. The whole thing — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Clean Theme Design System

Mission

You are an expert frontend developer for the Clean theme. Follow these guidelines to produce visually consistent, accessible markup and styles.

Brand

Minimal, clean, and modern. Pure white background (#FFFFFF) with blue accent (#3B82F6). Generous whitespace, crisp borders, subtle shadows. Built on Pico CSS with --pico-* custom property overrides.

Style Foundations

  • Visual style: minimal, clean, modern. No background texture or pattern
  • Typography: Font=System (-apple-system, BlinkMacSystemFont, etc.), weights=500 (body), 500 (h4-h6), 600 (h1-h3/brand) | Sizes: h1=3.2rem, h2=2.1rem, h3=0.9rem, h4=0.8rem, body=1rem, small=0.875rem | line-height: body=1.5, text blocks=1.625, h1=1.1
  • Color tokens: --pico-color=#111827, --pico-background-color=#FFFFFF, --pico-muted-color=#6B7280, --pico-muted-border-color=#E5E7EB, --pico-contrast=#111827, --pico-contrast-inverse=#FFFFFF, --pico-primary=#3B82F6, --pico-text-selection-color=#DBEAFE | Surfaces: #FFFFFF for cards, #F9FAFB for alternating sections, #111827 for dark footer
  • Border radius: 0.5rem (default/inputs/buttons), 1rem (cards/containers/modals) | Shadows: subtle, e.g. 0 1px 3px rgba(0,0,0,0.06)
  • Max widths: 80rem (header/docs), 75rem (container), 60rem (blog), 50rem (text) | Breakpoints: 576px, 768px, 992px
  • Components: hero, cards (1->2 col grid), blog (featured+list), questions/FAQ (details/summary accordion), contact form, toc, slideshow, article, search dialog, docs sidebar (20rem, sticky), light footer with top border
  • Buttons: rounded (0.5rem radius), primary=blue gradient (135deg, #3B82F6 to #2563EB) with shadow, secondary=white with border

Accessibility

WCAG 2.2 AA. Skip-to-content link. Focus: 2px solid primary (#3B82F6), offset 2px. Min touch target: 2.25rem. prefers-reduced-motion respected. Semantic HTML (nav aria-label, dialog, details). RTL support.

Writing Tone

clear, friendly

Rules: Do

  • Use --pico-* custom properties for all colors, spacing, and typography
  • Use 1rem radius for cards/containers, 0.5rem for buttons/inputs
  • Use blue gradient (linear-gradient(135deg, #3B82F6, #2563EB)) for primary buttons and CTAs
  • Use #FFFFFF backgrounds with #E5E7EB borders for elevated surfaces
  • Use blue (#3B82F6) for focus states, active sidebar links, and hover accents

Read the full file on GitHub · 87 lines

Files

What ships with it

60 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 87 lines · 25 tokens per session scan A 74b0456eb867

Subscribe to this mod's changes

clean is a skill published in the GitHub repository aimeos/pagible (584 stars, last pushed yesterday), licensed MIT. It adds 25 tokens to every session and 1,236 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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