impeccable-craft

A four-stage method for designing and building a new user interface: define its shape, refine the direction, implement it, and polish the result.

In plain words
What is it for?
Use it when creating a UI from scratch and you want to set its visual direction, choose a distinctive detail, state constraints, and then build it.
Why use it?
It gives you a deliberate design process before and during coding, so the interface does not drift into an unplanned generic layout.

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/random6913/claude-code-superkit/impeccable-craft
Any agent
npx skills add RaNDoM6913/claude-code-superkit --skill impeccable-craft
Clone the repo
git clone --depth 1 https://github.com/RaNDoM6913/claude-code-superkit

Made for: Claude Code, Codex.

Per session 56 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,071 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 $0.00056 $0.01071
Opus 5 $0.00028 $0.00535
Sonnet 5 $0.00011 $0.00214
Haiku 4.5 $0.00006 $0.00107

Measured yesterday against content hash 09f94543fe6a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

impeccable-craft 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 yesterday.

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.

packages/codex/skills/impeccable-craft/SKILL.md · 92 lines

How it starts

The opening of the file, as written. The whole thing — 92 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Impeccable Craft

When to invoke:

  • User explicitly asks for "craft", "build from scratch", "design something new"
  • User wants the full impeccable methodology end-to-end
  • User wants sketch-first workflow instead of jumping to code

When NOT to invoke:

  • For code review (use frontend-ui-reviewer and specialists)
  • For polish / audit / critique (use specialists — they auto-activate)
  • For bug fixes

Stage 1 — Shape (before any code)

  1. Gather brand context: read AGENTS.md or CLAUDE.md, check available project memory. If context thin, ask ONE question: "In one sentence, what should this interface feel like?"

  2. Articulate the aesthetic direction in 3 concrete words. Not "modern" or "elegant". Concrete: "warm, mechanical, opinionated" / "calm, clinical, careful" / "fast, dense, unimpressed" / "expensive, quiet, precise".

  3. Pick the one memorable thing. What makes this UI unforgettable? Distinctive typographic choice · signature interaction · surprising composition · signature color? Without an answer, design drifts to default.

  4. State constraints explicitly: framework, performance budget, accessibility, browser support, reduced-motion defaults.

  5. Draft the core palette (per color-and-contrast practices): brand hue → tinted neutrals (chroma 0.005–0.02) → accent scale (chroma peaks middle, reduced at extremes) → status colors as separate mini-palettes.

  6. Draft the type system: run the font-selection procedure (4 steps), reject reflex-list fonts (Inter / DM Sans / Fraunces / etc.), pair display + body.

Output of Stage 1 — a written brief the user confirms:

  • Audience + use context
  • 3 concrete brand-voice words
  • The one memorable thing
  • Constraints
  • Palette tokens
  • Type choices

Check in with the user: "Building on this direction, OK to proceed?" before Stage 2.

Stage 2 — Refine

  1. Build the design-token file (CSS custom properties or Tailwind config) with everything from Stage 1.
  2. Pick the component library if applicable. Shadcn/Radix defaults read as shadcn — custom is often right for high-craft projects.
  3. Sketch key layouts in code at primitive level — no styling polish yet, just structure. Flex/grid boxes labelled with what they'll contain. Check composition and hierarchy BEFORE committing to details.

Read the full file on GitHub · 92 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. yesterday First seen · 92 lines · 56 tokens per session scan A 09f94543fe6a

Subscribe to this mod's changes

impeccable-craft is a skill published in the GitHub repository RaNDoM6913/claude-code-superkit (2 stars, last pushed 1mo ago), licensed MIT. It adds 56 tokens to every session and 1,071 once invoked, about $0.0003 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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