An open-source design skill by Paul Bakaus: 1 skill, 24 commands and 61 deterministic anti-pattern detector rules that kill AI frontend slop (Inter everywhere, purple gradients, cards-in-cards). Installs into 16 harnesses including Claude Code, Cursor, Codex and Gemini CLI; live browser iteration plus a Chrome extension. Pure Markdown rules with a zero-LLM detector engine. Apache-2.0, 75k+ stars.
A coding-agent skill that shows three style previews for you to pick from, then builds a zero-dependency single-file HTML deck — and converts existing .pptx files with images and notes intact.
Oil UI is an open-source interface design skill for AI coding agents (MIT, v0.22.0). It pulls genuinely different design directions apart into checkable direction cards, lets a human pick one, refines it against real screenshots, then hands the result to an independent reviewer who never saw it being made. Ships a style comparison-page generator and shoot.mjs, a screenshot-evidence tool; install with npx skills add oil-oil/oil-ui.
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