Use when the user asks to "build email segments from my list", "make engaged / lapsed / RFM segments", "set up cart-abandoner or lifecycle-stage audiences", or "build a suppression list of unsubscribes and bounces"; turns the user's OWN list/CRM/GA4/ecommerce export into behavioral, attribute, and lifecycle-stage segments plus a suppression list, with per-segment sizes labeled…
Install
npx skills add aaron-he-zhu/aaron-marketing-skills --skill list-segment-buildernpx skills add aaron-he-zhu/aaron-marketing-skills --skill list-segment-builder -a claude-code -gnpx skills add aaron-he-zhu/aaron-marketing-skills --skill list-segment-builder -a codex -ggemini skills install https://github.com/aaron-he-zhu/aaron-marketing-skills.git --path email/setup/list-segment-buildergh skill install aaron-he-zhu/aaron-marketing-skills list-segment-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/setup/list-segment-builder ~/.claude/skills/list-segment-builder # Claude Code
cp -R /tmp/aaron-he-zhu__aaron-marketing-skills/email/setup/list-segment-builder ~/.agents/skills/list-segment-builder # Codex, Cursor, Gemini CLI, Copilot, OpenCode