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Nutlope / hallmark

git clone https://github.com/Nutlope/hallmark.git 🔥 on GitHub Trending today

A design skill for Claude Code, Cursor, and Codex that generates UI deliberately avoiding generic AI-generated aesthetics.

Why you might care

Aimed at developers who want AI coding assistants to produce distinct, non-template web pages rather than the default look LLMs tend to produce. It picks a macrostructure per brief, applies one of twenty-one themes or a custom palette, and runs 57 slop-test gates before output. Also includes audit, redesign, and study verbs for existing code and admired designs.

Categories

+41
stars, 24h · #357
+479
stars, 7 days · #255
+~1.2k
stars, 30 days · #442
30k
★ total · +2% this week
1.6k
forks · 20 open issues

Star history (as recorded here)

2026-10-20 · 30,444 ★ 2026-10-21 · 30,485 ★
LanguageCSS
LicenseMIT
Created2026-04-27 (5mo ago)
Last push2mo ago
Watchers64
OwnerUser

Seen on GitHub Trending

  • 2026-10-21 — #2 daily in css · +55 ★
  • 2026-10-21 — #1 weekly in css · +479 ★
  • 2026-10-20 — #2 daily in css · +76 ★
  • 2026-10-20 — #1 weekly in css · +473 ★

Links

README excerpt
# Hallmark
**A design skill for Claude Code, Cursor, and Codex that refuses to look AI-generated.**
Live demo →  ·  twenty-one themes  ·  four verbs  ·  press `T` to cycle.
Made by Together AI.
Hallmark picks a macrostructure for the brief, dresses it in one of twenty-one themes, runs fifty-seven slop-test gates plus a pre-emit self-critique, and refuses the on-distribution defaults every LLM was trained into. Two pages by Hallmark for two different briefs feel like different sites, not colour-swaps of the same template.
---
## Four verbs
| Verb | What it does |
| --- | --- |
| *(default)* | Build new UI. Picks a macrostructure, applies the rule-set, runs the slop test before handing back. |
| `hallmark audit ` | Score existing code against the anti-patterns. Punch list, no edits. |
| `hallmark redesign ` | Throw out the structure, keep copy + IA + brand, rebuild with a different fingerprint. |
| `hallmark study ` | Extract the **DNA** from a design you admire: macrostructure, type-pairing, colour anchor. Refuses pixel-clones and paid templates. Optionally emits a portable `design.md` for handoff to other AI tools. |
---
## Different briefs, different shapes
Each generated from a different brief. The skill picks the theme, structure, and craft to fit each one, not from a template.
 Bubble Sourdough app · Hum 
 Distil Extraction API · Cobalt 
 Cold Snap Record label · Carnival 
 Cinder AI tool · Lumen 
 Ferns & Fathom Tea menu · Custom 
 Hollowback Apiary Honey farm · Garden 
 Off-Register Print fair · Riso 
 Press Quaternary Type studio · Custom 
 Tally SaaS · modern-minimal 
 Wayfare Travel · atmospheric 
 NAJM Fashion brand 
 Hyperlane Dev infrastructure 
Each page is self-contained HTML + CSS, stamped with its macrostructure in the CSS comment. Browse the full set at usehallmark.com or under `site/_tests/`.
---
## Custom NEW 
When a brief carries creative intent that no catalog theme fits, Hallmark switches to **Custom** and designs the page from scratch: a made-to-measure palette, type, and layout. Same 57 slop-test gates, no template underneath.
 The Cascadia Nightjar Sleeper-train ticket · Custom 
 The Mend Assembly Repair-café broadsheet · Custom 
It stays a quiet branch; vanilla briefs never see it. The protocol lives in `custom-theme.md`.
---
## Install
 [code] 
Re-run any time to update. Or copy `SKILL.md` + `references/` into:
- **Claude Code**: `~/.claude/skills/hallmark/`
- **Cursor**: `.cursor/rules/hallmark.mdc` (body of `SKILL.md`, no frontmatter)
- **Codex**: `~/.codex/skills/hallmark/` (personal) or `.codex/skills/hallmark/` (project-scoped)
The rule-set lives in `SKILL.md` and `references/`. Worked examples in `docs/recipes.md` and `docs/study-examples.md`.
---
## Licence
MIT. Use it, fork it, ship it.

Blurb generated by claude-haiku-5-5 today. Star deltas marked ~ are extrapolated from partial history.