A frontend design and review skill for building user interfaces—the screens and interactions people use in websites and apps. It covers layout, accessibility, mobile adaptation, design systems, animation, and interface wording.

Use it to create, critique, or refine frontend code, including page layouts, component styles, responsive behavior, accessibility, motion, and interface copy.

It helps turn vague visual requests into consistent interface decisions that fit the project. It also provides checks for usability and behavior across screen sizes.

impeccable — Skill for Claude Code by jkomyno

Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo

git clone --depth 1 https://github.com/jkomyno/.dotfiles

agentmods

npx agentmods add skills/jkomyno/.dotfiles/impeccable

Made for: Claude Code.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/jkomyno/.dotfiles/impeccable/github.svg)](https://agentmods.dev/skills/jkomyno/.dotfiles/impeccable)

Your own site

<a href="https://agentmods.dev/skills/jkomyno/.dotfiles/impeccable"><img src="https://agentmods.dev/badge/skills/jkomyno/.dotfiles/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/jkomyno/.dotfiles/impeccable"><img src="https://agentmods.dev/badge/skills/jkomyno/.dotfiles/impeccable.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 2,909 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 78% copy Near-identical to another mod 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.

Model	Per session	Once invoked
Fable 5.1	$0.00045	$0.02909
Opus 5	$0.00023	$0.01455
Sonnet 5	$0.00009	$0.00582
Haiku 4.5	$0.00005	$0.00291

Measured 9d ago against content hash 897ae637c300, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, 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 9d ago.

The scan reads SKILL.md. This mod also ships 23 executable files (scripts/cleanup-deprecated.mjs, scripts/critique-storage.mjs, scripts/design-parser.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.

Origin

This is a copy

78% identical to impeccable — 77 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

target/home/.agents/skills/impeccable/SKILL.md · 169 lines

How it starts

The opening of the file, as written. The whole thing — 169 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Designs and iterates production-grade frontend interfaces. Real working code, committed design choices, exceptional craft.

Setup

Before any design work or file edits:

Load context (PRODUCT.md / DESIGN.md) via the loader script.
Identify the register and load the matching register reference (brand.md or product.md).
If the user invoked a sub-command (e.g. craft, shape, audit), load its reference file too. This is non-negotiable: craft without craft.md loaded means you'll skip the shape-and-confirm step the user expects.

Skipping these produces generic output that ignores the project.

1. Context gathering

Two files, case-insensitive. The loader looks at the project root by default and falls back to .agents/context/ and docs/ if the root is clean. Override with IMPECCABLE_CONTEXT_DIR=path/to/dir (absolute or relative to cwd).

PRODUCT.md: required. Users, brand, tone, anti-references, strategic principles.
DESIGN.md: optional, strongly recommended. Colors, typography, elevation, components.

Load both in one call:

node .claude/skills/impeccable/scripts/load-context.mjs

Consume the full JSON output. Never pipe through head, tail, grep, or jq. The output's contextDir field tells you where the files were resolved from.

If the output is already in this session's conversation history, don't re-run. Exceptions requiring a fresh load: you just ran /impeccable teach or /impeccable document (they rewrite the files), or the user manually edited one.

/impeccable live already warms context via live.mjs. If you've run live.mjs, don't also run load-context.mjs this session.

If PRODUCT.md is missing, empty, or placeholder ([TODO] markers, <200 chars): run /impeccable teach, then resume the user's original task with the fresh context. If the original task was /impeccable craft, resume into /impeccable shape before any implementation work.

If DESIGN.md is missing: nudge once per session ("Run /impeccable document for more on-brand output"), then proceed.

Read the full file on GitHub · 169 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.

9d ago First seen · 169 lines · 45 tokens per session scan A 897ae637c300

Subscribe to this mod's changes

impeccable is a skill published in the GitHub repository jkomyno/.dotfiles (5 stars, last pushed 5d ago), licensed MIT. It adds 45 tokens to every session and 2,909 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 78% identical to impeccable, differing in 77 lines, and is treated as a copy.

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