Show HN: StyleSeed – a design-rules engine so AI agents stop building generic UI
StyleSeed is a new design-rules engine designed to prevent AI-generated user interfaces from looking generic. It enforces specific design tokens and quality gates to ensure AI-built UIs maintain brand identity and aesthetic coherence.
Why it matters
As AI agents increasingly build software, maintaining high-quality, distinct design standards is becoming a major challenge for developers.
Your AI writes UI that looks like an AI wrote it. StyleSeed is the design engine that fixes that. Design judgment for Claude Code · Codex · Cursor · vibe coding — so the output stops looking generated.
One component. Three brand DNAs. Same chat UI morphing across Toss · Raycast · Arc — colors, radius, motion, shadows, gradients all driven by StyleSeed tokens. Just a data-skin attribute.
Every design-AI skill makes your UI coherent . StyleSeed also fights the generic-AI look — and enforces it.
Judgment, not data — how designers think , not a palette collection · Fights the AI tells — the default indigo, the icon-chip cliché, template layouts, rainbow lists · A scored Quality Gate — reviews + fixes to ≥80/100 before you see it · Every agent — ships CLAUDE.md + AGENTS.md + .cursorrules · A design lock that stops drift · Free & MIT
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