impeccable-design

impeccable-design is a skill for Claude Code from All-The-Vibes/ATV-PaperBoard. It costs 103 tokens per session (1,612 once invoked), scanned A, original, Apache-2.0.

A set of design rules for creating or editing .DESIGN.md files used by Paperboard. It loads Paperboard's design guidance and the rules that determine which design tokens and decisions are allowed.

In plain words
What is it for?
Use it when creating, editing, or reviewing a .DESIGN.md file, a design tier, a starter entry, or Paperboard's default design.
Why use it?
It keeps design contracts consistent and helps explain or prevent lint failures in Paperboard design files.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the atv-paperboard plugin — 5 skills, 1 agent, 1 hook shipped together

Good fit Use it when creating, editing, or reviewing a .DESIGN.md file, a design tier, a starter entry, or Paperboard's default design.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/all-the-vibes/atv-paperboard/impeccable-design
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 All-The-Vibes/ATV-PaperBoard --skill impeccable-design
Clone the repo
git clone --depth 1 https://github.com/All-The-Vibes/ATV-PaperBoard

Made for: Claude Code.

Or install atv-paperboard, the plugin that ships this one along with the rest of its 5 skills, 1 agent, 1 hook.

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-design

README.md
[![agentmods](https://agentmods.dev/badge/skills/all-the-vibes/atv-paperboard/impeccable-design/github.svg)](https://agentmods.dev/skills/all-the-vibes/atv-paperboard/impeccable-design)
Your own site
<a href="https://agentmods.dev/skills/all-the-vibes/atv-paperboard/impeccable-design"><img src="https://agentmods.dev/badge/skills/all-the-vibes/atv-paperboard/impeccable-design/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-design

Your own site · 80×15
<a href="https://agentmods.dev/skills/all-the-vibes/atv-paperboard/impeccable-design"><img src="https://agentmods.dev/badge/skills/all-the-vibes/atv-paperboard/impeccable-design.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 103 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,612 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.
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 $0.00103 $0.01612
Opus 5 $0.00051 $0.00806
Sonnet 5 $0.00021 $0.00322
Haiku 4.5 $0.00010 $0.00161

Measured 11d ago against content hash ffd6abecfafc, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

impeccable-design 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.

adapters/claude-code/_dist/skills/impeccable-design/SKILL.md · 119 lines

How it starts

The opening of the file, as written. The whole thing — 119 lines — stays where its author put it; the contents beside it link to each section on GitHub.

impeccable-design

Paperboard's design authority skill. It does not run a CLI — it loads doctrine into the agent's context so that every authored or modified .DESIGN.md file respects the same anti-slop rules. Methodology is imported from pbakaus/impeccable; aesthetic tokens remain paperboard's own.

When to invoke

  • The user asks you to create, edit, or audit a .DESIGN.md file (a design tier, a starter, or the default paperboard.DESIGN.md).
  • The user asks for a new design tier, a new starter pack entry, or a redesign of an existing tier.
  • You are reviewing a PR that touches anything under core/designs/.
  • A .DESIGN.md lint fails and you need to reason about why a token or rule is banned.

Do not invoke for plain HTML/CSS work that does not touch a .DESIGN.md contract, or for documentation prose unrelated to design tokens.

Doctrine sources

Read these files, in order, before authoring or modifying a .DESIGN.md:

  1. core/designs/DESIGN-AUTHORITY.md — the binding rules. The single source of truth for what is allowed in any paperboard .DESIGN.md.
  2. core/designs/impeccable-context/typography.md — type scale, weights, tracking, mono-vs-serif decisions.
  3. core/designs/impeccable-context/color-and-contrast.md — palette discipline, accent budget, tinted neutrals, contrast floor.
  4. core/designs/impeccable-context/spatial-design.md — spacing scale, border discipline, depth from negative space (not shadows).
  5. core/designs/impeccable-context/motion-design.md — easing curves (cubic-bezier(0.16, 1, 0.3, 1) only; no bounce), durations, prefers-reduced-motion.
  6. core/designs/impeccable-context/interaction-design.md — affordance, state, focus, hit-target rules.
  7. core/designs/impeccable-context/responsive-design.md — breakpoint philosophy, fluid type, container query intent.
  8. core/designs/impeccable-context/ux-writing.md — voice, hedging bans, expert-decisive tone.

Read the full file on GitHub · 119 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 · 119 lines · 103 tokens per session scan A ffd6abecfafc

Subscribe to this mod's changes

impeccable-design is a skill published in the GitHub repository All-The-Vibes/ATV-PaperBoard (1 stars, last pushed 25d ago), licensed Apache-2.0. It adds 103 tokens to every session and 1,612 once invoked, about $0.0005 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 2026-08-31.

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