styleseed

Design engine for Claude Code, Codex & Cursor — teaches design judgment, not just data. 74 rules, 48 components, 7 brand skins (Toss/Stripe/Linear/Notion/Raycast/Arc/Vercel), a named motion system (5 seeds + 20+ moves), 15 /ss-* skills. Stop shipping AI UI that looks generated. MIT. Maintained by bitjaru on GitHub, where it has earned 675 stars from the community.

It's actively developed around ai-coding, ai-design, ai-ui, and is a solid reference for anyone building with these tools.