system prompts

Design System Checklist

Open-source checklist for planning, building, and growing a design system. Categories: design language, foundations, core components, maintenance.
by designsystemchecklist.com updated Sep 5, 2026 other
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## what it does

The prompt

Before adding a new UI primitive, open https://designsystemchecklist.com.

Work the four categories on the homepage:
- Design language
- Foundations
- Core components
- Maintenance

If the checklist item is unmet, implement or document the gap. Do not start a second button component while foundations (spacing, type, contrast, states) are empty.

Related: agent UI source router, shadcn/ui.

## embed this badge

cache ✓ in cache.directory
![cached](https://cache.directory/badge/design-system-checklist.svg)