Nutlope/hallmark

A design skill for Claude Code, Cursor and Codex. It aims to keep agent-built interfaces from looking like generic AI output.

Why it matters now

It gained 2,109 stars in one day and is #6 on the daily trending list [2]. It added 9,965 stars this month [3] and has 40,018 in total [1]. The last push landed today [1].

Try it in 10 minutes

You need: Claude Code, Cursor or Codex, A project with a user interface

  1. Open Nutlope/hallmark on GitHub and add it to your agent following the README.

  2. Ask your agent to build or redesign a page with the skill active.

  3. Compare the result with a page the agent built without the skill.

A page whose design follows the skill's rules instead of the agent's default look.

What it replaces or competes with

  • pbakaus/impeccable Also targets AI slop, but is larger (91,365 stars) and split into named commands such as polish, critique and audit.

Sources

  1. Nutlope/hallmark on the GitHub API read 28-10-2026
  2. Trending repositories on GitHub today read 28-10-2026
  3. Trending repositories on GitHub this month read 28-10-2026
  4. pbakaus/impeccable on the GitHub API read 28-10-2026

Written by AI from these sources and checked against each of them on 28-10-2026. Spotted a mistake? Tell us.