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pbakaus_impeccable/README.npm.md
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f40e2f8f0a Add mechanical pre-scan for typeset and layout (#345)
* Add mechanical pre-scan for typeset and layout commands.

Introduce --scope filtering, layout/type rule scopes, DESIGN.md font-size validation, and pre-scan steps in the skill references so agents run detect before LLM judgment.

Fixes #149

Co-authored-by: Cursor <cursoragent@cursor.com>

* Add isolated sub-agent orchestration for typeset and layout pre-scans.

Run the mechanical detector and visual assessment in parallel sub-agents so deterministic findings cannot anchor LLM judgment, matching the critique pattern Paul requested on PR #345.

Co-authored-by: Cursor <cursoragent@cursor.com>

* Fix: reject bare --scope so detect never scans unscoped by mistake.

When --scope had no value, the CLI dropped the flag and ran a full scan instead of failing, which could silently use the wrong rule set during typeset/layout pre-scans.

Co-authored-by: Cursor <cursoragent@cursor.com>

* Fix: require both typeset and layout assessments in sub-agents.

Close a loophole where agents ran only the mechanical pre-scan inline by interpreting "running both" as permitting one inline assessment.

Co-authored-by: Cursor <cursoragent@cursor.com>

---------

Co-authored-by: Abdul Wahab <abdulwahab@Abduls-MacBook-Pro-2.local>
Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-09 08:29:21 -07:00

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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 46 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
46 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 24+
- `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, and more.
## License
[Apache 2.0](https://github.com/pbakaus/impeccable/blob/main/LICENSE)