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Dev.to
7/2/2026
I catalogued every tell that makes a UI look AI-generated. My own tool kept failing the test.

I catalogued every tell that makes a UI look AI-generated. My own tool kept failing the test.

Short summary

StyleSeed's author catalogs visual tells of AI-generated UIs (indigo color, icon-chips, rainbow lists) and converts them into design rules for Claude Code, Cursor, and Codex. Dogfooding revealed contradictions and an arms-race dynamic: each banned tell spawns new escape routes. Three mechanics matter most: constraints-before-code, scored quality gates with minimum floors, and named bans with reasoning.

  • •StyleSeed catalogs AI-UI tells (indigo, icon-chips, rainbow) and converts them into rules that Claude Code, Cursor, and Codex read automatically
  • •Dogfooding caught the author's own DESIGN-LANGUAGE.md contradicting the rules; their landing page failed the quality gate at 58/100
  • •Design tells evolve by generation—escaping gen-1 tells creates gen-2 tells, making this an arms race against convergence, not a checklist

Generated with AI, which can make mistakes.

#ai-tools#open-source#ai-agents
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