What is Hallmark?
Hallmark is a design skill for Claude Code, Codex, Cursor and OpenCode that refuses to look AI-generated. It is made by Together AI. It builds web pages around what the visitor came to do and checks the result against a set of explicit design rules.
The catalog has fifty themes, each a material with its own components and texture. Before building, a pre-flight step reads the project's fonts, palette, framework and any locked design.md. A sloplint script then renders the page at eight widths, and a subagent reviews it with fresh eyes. Each page is self-contained HTML and CSS.
Rules come in tiers. The Floor never ships: contrast, focus, reduced motion, invented facts and a broken phone layout. Hallmark can also use your real product by capturing screenshots from a URL, a dev server or an app, draw on 755 openly licensed photos credited on the page, and redesign or audit existing pages.
Key capabilities
- Fifty themes to build pages from
- Page builds shaped by the visitor's goal
- A browser-rendered lint at eight widths plus a fresh-context review
- Floor rules for contrast, focus, reduced motion, invented facts and phone layout
- Screenshots captured from your own product
- Redesign and audit commands for existing pages
Where Hallmark fits
- Theme-based page design A catalog of fifty themes, each a material with its own components and texture.
- Pre-flight project reading Reads fonts, palette, framework and any locked design.md, then asks once for photos, screenshots and real numbers instead of inventing them.
- Automated design linting The sloplint script checks the rendered page at eight widths before a subagent reviews it with fresh eyes.
- Tiered quality gates The Floor never ships and covers contrast, focus, reduced motion, invented facts and a broken phone layout.
- Pages built from the job A booking page books, a shop sells and a newsletter subscribes, so the main action sits where the category puts it.
- Real-product screenshots Point it at a URL, a dev server or an app and it captures the screenshots itself.
- Openly licensed photos 755 photographs picked per subject and credited on the page.
- Redesign and audit Redesign rebuilds a page while keeping its content and wiring, and audit only reports findings.
Install
npx skills add nutlope/hallmark -gReviews of Hallmark
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