Anti-AI-slop design skill for Claude Code, Cursor, and Codex.
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README
Hallmark
A design skill for Claude Code, Codex, Cursor and OpenCode that refuses to look AI-generated.
usehallmark.com · fifty themes · custom on request · redesign and audit by name
Made by Together AI.
Hallmark holds a hard floor and then gets out of the way. It deals three themes from a catalog of fifty materials, builds the page around what the visitor came to do, and lints the result in a real browser against the tells that read as machine-made: the eyebrow above every heading, tracked-capital labels, one coloured word in a headline, a page of empty frames or nothing but photographs, a hero that misses its screen, an email sign-up at the end of every page, a form that says thanks without sending anything. A fresh-context reviewer gets the last word.
The gates come in tiers. The Floor never ships (contrast, focus, reduced motion, invented facts, a broken phone layout). Reflex gates are the defaults a model falls into; a build with a reason may overrule one on the record. Finish checks are craft detail that never blocks a ship.
New in v2
- Fifty themes. Each is a material (paper, type, colour, surfaces, its own components and texture) with a picture of a finished page, and the build lays out its own page in it.
- Built from the job. A booking page books, a shop sells, a newsletter subscribes: the action sits where the category puts it, and the page ends on it.
- Custom. Ask for a custom page and Hallmark designs from your prompt alone, under the same rules and checks.
- Your real product. Point it at a URL, a dev server or an app and it captures the screenshots itself.
- Real photographs. 755 openly licensed photos, picked per subject and credited on the page.
- Redesign and audit. /hallmark redesign rebuilds a page and keeps its content and wiring; /hallmark audit only reports.
Themes
DuskClosewise, bank reconciliation
CobaltRelay, a webhook API
StudioField Office, an identity studio
AtelierMaison Orla, a fragrance atelier
RibbonLull, a sleep sounds app
FurrowFieldbook, farm records
DoseTandem, a family medication app
RefractBellwater Lido, an outdoor pool
VantageSwath, construction site scans
HedgerowFive Mile Gin, a distillery
Ten of the fifty. A theme is a material, not a plan: it never says what a page contains or in what order, so two prompts in one theme make two different pages. Each is one file of at most 8 KB in references/themes/ with a picture beside it; a build reads exactly one. See them all at usehallmark.com.
Custom
Say custom and Hallmark drops the themes: no plan, no components, no palette recipe, only the floor, the gates and a short direction in direction.md to find one idea that only this client has and let it run the page.
How a build runs
1. Pre-flight reads the project (fonts, palette, framework, a locked design.md) and asks once for the materiaTop issues
#41Example cards are not exposed as links to assistive tech1 comments · 2026-07-21#43Demo videos keep looping under prefers-reduced-motion1 comments · 2026-07-21#50Hallmark is a ~1MB skill, consider separating the commands (redesign, audit etc.) into separate skills0 comments · 2026-07-28#5110 comments · 2026-07-28#70Invitation: get hallmark verified on Sigistry (free, open source)5 comments · 2026-08-28#21Same anti-slop idea for Chinese writing4 comments · 2026-07-13#76Relative links in skills/hallmark/SKILL.md break after `npx skills add`3 comments · 2026-09-25#127✨ Show Hallmark’s impact with a before-and-after README example2 comments · 2026-11-05
News & coverage (8)
Hacker NewsHallmark – Anti-AI-Slop Design Skill for Claude Code, Cursor, and Codex▲ 7 · 9 comments · 2026-07-26Hacker NewsThe design skill that ends AI slop▲ 4 · 0 comments · 2026-10-25xHassan on X: "Now at ~20k installs & 12k GitHub stars! Started working on Hallmark v2 with @YoussefUiUx "2026-07-16NatureRecurrent intra-tumour heterogeneity is a hallmark of metastatic prostate cancer2026-06-19Pasquale PillitteriThe 20 Best Claude Code Skills for UI/UX Design: Complete Guide2026-03-31NatureChromatin loops are an ancestral hallmark of the animal regulatory genome2025-05-07How-To GeekHow to Install Git on Windows2023-10-28Science | AAASSingle-cell transcriptional diversity is a hallmark of developmental potential2020-01-24