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pbakaus_impeccable/README.npm.md
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oleg kovalandGitHub f3df3ffe40 Add Veto harness support (#675)
Adds Veto detection, provider transforms, installation paths, documentation, and regression coverage.\n\nAI-assisted maintainer repair, review, and validation by Codex under maintainer direction.
2026-08-31 19:52:46 -04:00

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# Impeccable CLI
Detect UI anti-patterns and design quality issues from the command line. Scans HTML, CSS, JSX, TSX, Vue, and Svelte files for 61 deterministic rules, including AI-generated UI tells, accessibility violations, and general design quality problems.
## Quick Start
```bash
# Install skills into your AI harness (Claude, Cursor, Gemini, etc.)
npx impeccable skills install
# Non-interactive install for a specific scope
npx impeccable skills install -y --providers=claude,codex --scope=project
# First command to run inside your AI harness
/impeccable init
# Update skills to the latest version
npx impeccable skills update
# Install or update skills without hook manifests
npx impeccable skills install --no-hooks
# Link skills from a Git submodule checkout
npx impeccable skills link --source=.impeccable --providers=claude,cursor
# List all available commands
npx impeccable skills help
# Scan files or directories for anti-patterns
npx impeccable detect src/
# Scan a live URL (requires Puppeteer)
npx impeccable detect https://example.com
# JSON output for CI/tooling
npx impeccable detect --json src/
# Deprecated compatibility flag; full scan still runs
npx impeccable detect --fast src/
```
## What It Detects
**AI Slop Tells**: patterns that scream "AI generated this":
- Side-tab accent borders, gradient text on headings
- Purple/violet gradients and cyan-on-dark palettes
- Dark mode with glowing accents, border + border-radius clashes
**Typography Issues**: overused fonts (Inter, Roboto), flat type hierarchy, single font families
**Color & Contrast**: WCAG AA violations, gray text on colored backgrounds, pure black/white
**Layout & Composition**: nested cards, monotonous spacing, everything-centered layouts
**Motion**: bounce/elastic easing, layout property transitions
**Quality**: tiny body text, cramped padding, long line lengths, small touch targets
61 deterministic detector rules in total. See the full catalog at [impeccable.style/slop](https://impeccable.style/slop).
## Exit Codes
- `0`: no issues found
- `2`: anti-patterns detected
## Options
```
impeccable detect [options] [file-or-dir-or-url...]
--fast Regex-only mode (skip jsdom, faster but less accurate)
--json Output findings as JSON
--help Show help
```
## Requirements
- Node.js 22.18+
- `jsdom` (included as dependency, used for HTML scanning)
- `puppeteer` (optional, only needed for URL scanning)
## Part of Impeccable
This CLI is part of [Impeccable](https://impeccable.style), a cross-provider design skill pack for AI-powered development tools. The full suite includes 23 commands for Claude, Cursor, GitHub Copilot, Gemini, Codex, Hermes Agent, Veto, and more.
## License
[Apache 2.0](https://github.com/pbakaus/impeccable/blob/main/LICENSE)