DESIGN.md

Rating

Jun 1, 2026 · via hackernews.com

Open-source design system prompts to guide AI in generating consistent UIs.

Helps designers and developers steer AI output toward coherent visual systems, reducing inconsistency and rework when using AI-generated UI components.

AIDesign SystemsOpen-sourceUI Generation

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Deep divePro

DESIGN.md is an open-source library of structured markdown files that give AI code generators explicit design constraints — things like typography scales, spacing rules, color tokens, and component logic — so the output isn't generic slop. The core value is that it shifts AI UI generation from 'surprise me' to 'follow these rules I actually care about,' acting like a brief that the model can't ignore.

Why it stands out

It treats the prompt-engineering problem as a design systems problem, which is the right framing — instead of endlessly tweaking prompts, you maintain a versioned, reusable spec file that travels with your project. For teams already thinking in tokens and design systems, this clicks immediately.

Best for

Generalist designers who are generating UI with tools like Cursor, Copilot, or v0 and are tired of babysitting every output back toward visual consistency.

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