Impeccable
Open-source design skills and an anti-pattern detector for AI coding assistants.
Introduction
Impeccable gives AI coding tools a design vocabulary and 18 commands to improve frontend output. It also includes an engine that flags common AI-generated design mistakes. It works with Cursor, Claude Code, Gemini CLI and others.
- Added on
- Nov 2, 2026
- Website
- impeccable.style
- Pricing model
- Free
- Company
- Renaissance Geek
Product information
What is Impeccable?
Impeccable is a skill and toolset that upgrades the frontend design quality of AI coding assistants, covering typography, color, layout and UX writing.
How to use Impeccable?
Install with npx skills add pbakaus/impeccable, run /impeccable teach to set project context, then use commands such as /polish, /audit or /typeset in your coding agent.
Core features of Impeccable
- 18 design commands
- Reference knowledge across 7 design dimensions
- Anti-pattern detection engine
- Support for major AI coding tools
- Chrome extension visual mode
- Hardening for edge cases and i18n
Use cases of Impeccable
- 1Lifting generic AI-built UI to production quality
- 2Auditing pages for accessibility and performance issues
- 3Planning UX before coding
- 4Standardizing design systems
Frequently asked questions about Impeccable
Which tools work with Impeccable?+
Cursor, Claude Code, Gemini CLI, Codex CLI, Trae, Rovo Dev, VS Code Copilot and Google Antigravity.
Is Impeccable free?+
Yes. The skills, commands, CLI and detection engine are open source under Apache 2.0.
How do I update Impeccable?+
Run npx impeccable skills update from the project root.
Which category is Impeccable in?+
Impeccable is listed under AI Agents.

