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NutlopeHallmark

Hallmark: open source worth watching

A design skill for AI agents that avoids AI-looking interfaces.

Why we are featuring it

Give generated design more variety and intent.

Hallmark selects structures and themes, checks for anti-patterns, and critiques the result before handing back a UI.

What is inside

  • Twenty-one themes and varied macrostructures.
  • 57 anti-slop gates plus pre-emit self-critique.
  • Build, audit, redesign, and study commands.
  • Skill for Claude Code, Cursor, and Codex.
Hallmark | Trending Repo | DevOP