impeccable

impeccable is a skill for Claude Code, Codex from EliasOulkadi/shokunin. It costs 0 tokens per session (3,800 once invoked), scanned A, original, MIT.

A set of guidelines for designing and improving frontend interfaces, including layout, typography, color, spacing, motion, copy, and common design mistakes.

In plain words
What is it for?
Use it to create, redesign, critique, audit, polish, or optimize web interfaces and their visual design systems.
Why use it?
It gives coding agents concrete design checks so an interface is clearer, more consistent, accessible, and suited to its intended use.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions OpenCode.

Good fit Use it to create, redesign, critique, audit, polish, or optimize web interfaces and their visual design systems.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/eliasoulkadi/shokunin/impeccable
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.

Any agent
npx skills add EliasOulkadi/shokunin --skill impeccable
Clone the repo
git clone --depth 1 https://github.com/EliasOulkadi/shokunin

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for impeccable

README.md
[![agentmods](https://agentmods.dev/badge/skills/eliasoulkadi/shokunin/impeccable/github.svg)](https://agentmods.dev/skills/eliasoulkadi/shokunin/impeccable)
Your own site
<a href="https://agentmods.dev/skills/eliasoulkadi/shokunin/impeccable"><img src="https://agentmods.dev/badge/skills/eliasoulkadi/shokunin/impeccable/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for impeccable

Your own site · 80×15
<a href="https://agentmods.dev/skills/eliasoulkadi/shokunin/impeccable"><img src="https://agentmods.dev/badge/skills/eliasoulkadi/shokunin/impeccable.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,800 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 4 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium MCP Rug Pull · line 3
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 27
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 36
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 109
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
How audits are shown
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 5.1 $0.00000 $0.03800
Opus 5 $0.00000 $0.01900
Sonnet 5 $0.00000 $0.00760
Haiku 4.5 $0.00000 $0.00380

Measured 11d ago against content hash e53db12311b3, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

impeccable 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 11d ago.

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.

.pack/skills/impeccable/SKILL.md · 229 lines

How it starts

The opening of the file, as written. The whole thing — 229 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Impeccable (Lite)

Design and iterate production-grade frontend interfaces. This is a lite integration of Paul Bakaus's Impeccable design language for AI. For the full 23 sub-commands, CLI detection, Chrome extension, and E2E test suite, install: npx skills add pbakaus/impeccable

Quick Start (Lite mode)

Skip context gathering for rapid iteration. For full brand/product context, install the full version.

Shared Design Laws

Color

  • Use OKLCH. Reduce chroma as lightness approaches 0 or 100. High chroma at extremes looks garish.
  • Never #000 or #fff. Tint every neutral toward brand hue (chroma 0.005-0.01 is enough).
  • Pick a color strategy:
    • Restrained: tinted neutrals + one accent ≤ 10%. Product default.
    • Committed: one saturated color carries 30-60%. Brand default.
    • Full palette: 3-4 deliberate roles. Brand campaigns.
    • Drenched: the surface IS the color. Brand heroes.

Dark vs Light

Never a default. Write one sentence of physical scene: who, where, under what light, in what mood. "SRE glancing at incident severity on a 27-inch monitor at 2am in a dim room" forces dark. "Editor reading a long-form article on an iPad in morning sunlight" forces light. Run the scene, not the category.

Typography

  • Cap body line length at 65-75ch via max-width.
  • Hierarchy through scale + weight contrast (≥1.25 ratio between steps).
  • No Inter as display font.

Motion

  • Don't animate layout properties (width, height, top, left).
  • Ease out with exponential curves. No bounce, no elastic.
  • UI durations < 300ms. Exit faster than enter.

Copy

  • Every word earns its place. No restated headings.
  • No em dashes. Use commas, colons, periods, or parentheses. Also no --.
  • No AI filler: "elevate", "seamless", "unleash", "delve".

Absolute Bans

Match-and-refuse. If you're about to write any of these, rewrite with different structure.

Ban Why
Side-stripe borders (border-left > 1px as accent) The #1 AI-dashboard tell
Gradient text (background-clip: text + gradient) Decorative, never meaningful
Glassmorphism as default Rare and purposeful, or nothing
Hero-metric template Big number + small label + gradient. SaaS cliché.
Identical card grids Icon + heading + text, repeated. Lazy.
Modal as first thought Exhaust inline/progressive alternatives first.

Read the full file on GitHub · 229 lines

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. 11d ago First seen · 229 lines · 0 tokens per session scan A e53db12311b3

Subscribe to this mod's changes

impeccable is a skill published in the GitHub repository EliasOulkadi/shokunin (113 stars, last pushed 1mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 3,800 tokens. 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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