Anti-AI-slop design skill for greenfield pages, audits, redesigns, and design extraction from URLs or screenshots. Use when the user asks to build a new app or landing page, wants to redesign something, invokes Hallmark by name, or uses audit/redesign/study.
Install
npx skills add nexu-io/open-design --skill hallmarknpx skills add nexu-io/open-design --skill hallmark -a claude-code -gnpx skills add nexu-io/open-design --skill hallmark -a codex -ggemini skills install https://github.com/nexu-io/open-design.git --path plugins/community/hallmarkgh skill install nexu-io/open-design hallmarkgit clone --depth 1 https://github.com/nexu-io/open-design /tmp/nexu-io__open-design
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/nexu-io__open-design/plugins/community/hallmark ~/.claude/skills/hallmark # Claude Code
cp -R /tmp/nexu-io__open-design/plugins/community/hallmark ~/.agents/skills/hallmark # Codex, Cursor, Gemini CLI, Copilot, OpenCode