hallmark — security grade SAFE, quality 58/100

Security audit verdict: SAFE · quality 58/100

No red flags found in any of the 11 categories — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

by Nutlope · Claude Skill · ★ 22.6k

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

🔒 Is hallmark safe to install? View the security audit →

About hallmark

Hallmark A design skill for Claude Code, Cursor, and Codex that refuses to look AI-generated. Live demo →  ·  twenty-two themes  ·  four verbs  ·  press to cycle. Made by Together AI. Hallmark picks a macrostructure for the brief, dresses it in one of twenty-two themes, runs sixty-five 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 Different briefs, different shapes Each generated by exercising the skill on a different brief. The skill picks differently

Quick Facts

Stars22,599
Forks1,147
LanguageCSS
CategoryClaude Skill
LicenseMIT
Quality Score58.4074069353386/100
Open Issues36
Last Updated2026-08-06
Created2026-04-27
Platformsclaude-code, codex
Est. Tokens~16k

Compatible Skills

These tools work well together with hallmark for enhanced workflows:

  • ui-craft — semantic(0.19)+complementary+similar_pop+shared_platform (47%)

hallmark alternative? Top 6 similar tools

Looking for a hallmark alternative? If you're comparing hallmark with other claude skill tools, these 6 projects are the closest alternatives on Agent Skills Hub — ranked by topic overlap, star count, and community traction.

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  • claude-scientific-skills by K-Dense-AI · ⭐ 17.3k

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Frequently Asked Questions

What is hallmark?

hallmark is Anti-AI-slop design skill for Claude Code, Cursor, and Codex.. It is categorized as a Claude Skill with 22.6k GitHub stars.

What programming language is hallmark written in?

hallmark is primarily written in CSS.

How do I install or use hallmark?

You can find installation instructions and usage details in the hallmark GitHub repository at github.com/Nutlope/hallmark. The project has 22.6k stars and 1147 forks, indicating an active community.

What license does hallmark use?

hallmark is released under the MIT license, making it free to use and modify according to the license terms.

What are the best alternatives to hallmark?

The top alternatives to hallmark on Agent Skills Hub include marketingskills, claude-plugins-official, awesome-agent-skills. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.

View on GitHub → Browse Claude Skill tools