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Impeccable: a design language for AI-built frontends

One skill, 24 commands and 59 automatic checks that catch the tell-tale signs of AI-generated web design.

Try it in 60 seconds

npx impeccable install
npx impeccable update
npx impeccable link --source=.impeccable --providers=claude,cursor

Install command copied from the project README. Check the README for the latest version.

What it does

One skill, 24 commands and 59 automatic checks that catch the tell-tale signs of AI-generated web design.

Design guidance for AI coding agents. 1 skill, 24 commands, live browser iteration, and 59 deterministic detector rules for AI-generated frontend design.

Anthropic's frontend-design was the first widely-used design skill for Claude. Impeccable started from there.

Quoted from the README of pbakaus/impeccable.

Inside the repo

Why Impeccable?What's IncludedThe Skill: impeccable24 CommandsAnti-PatternsSee It In ActionInstallationOption 1: CLI installer (Recommended)Option 2: Git SubmoduleOption 3: Plugin installOption 4: Download from WebsiteOption 5: Copy from Repository

Step by step

  1. Open the GitHub repo and read the README.
  2. Run the install command below in your terminal (or copy the skill folder into ~/.claude/skills/ for Claude Code, ~/.codex/skills/ for Codex).
  3. Restart your agent so it picks up the skill.
  4. Ask your agent to use it on a small test task first.

Watch out for

Has its own installer (npx impeccable install); check what it writes before running.

Docs, demos & materials

Sources & credit

All credit to the original authors. We rewrite in our own words and link back. Something wrong? Report it.

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