Use when the user asks to "write the email", "draft subject lines", or "build email creative"; produces the pre-click unit — subject-line variants + preheader, body copy, one clear CTA, and a plain-text alt — message-matched to the destination page and claims-ledger-aware.
Install
npx skills add aaron-he-zhu/aaron-marketing-skills --skill email-creative-buildernpx skills add aaron-he-zhu/aaron-marketing-skills --skill email-creative-builder -a claude-code -gnpx skills add aaron-he-zhu/aaron-marketing-skills --skill email-creative-builder -a codex -ggemini skills install https://github.com/aaron-he-zhu/aaron-marketing-skills.git --path email/engage/email-creative-buildergh skill install aaron-he-zhu/aaron-marketing-skills email-creative-buildergit clone --depth 1 https://github.com/aaron-he-zhu/aaron-marketing-skills /tmp/aaron-he-zhu__aaron-marketing-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/aaron-he-zhu__aaron-marketing-skills/email/engage/email-creative-builder ~/.claude/skills/email-creative-builder # Claude Code
cp -R /tmp/aaron-he-zhu__aaron-marketing-skills/email/engage/email-creative-builder ~/.agents/skills/email-creative-builder # Codex, Cursor, Gemini CLI, Copilot, OpenCode