Use when the user asks to "generate subject line variants", "pre-score my subject lines", or "will this subject get truncated / trigger spam filters"; produces a labeled subject + preheader variant set and a per-variant heuristic pre-score card — spam-trigger flags, length/truncation across desktop + mobile, emoji-count, and the inbox preview render (from-name + subject + preheader) — before any…
安装
npx skills add aaron-he-zhu/aaron-marketing-skills --skill subject-line-labnpx skills add aaron-he-zhu/aaron-marketing-skills --skill subject-line-lab -a claude-code -gnpx skills add aaron-he-zhu/aaron-marketing-skills --skill subject-line-lab -a codex -ggemini skills install https://github.com/aaron-he-zhu/aaron-marketing-skills.git --path email/engage/subject-line-labgh skill install aaron-he-zhu/aaron-marketing-skills subject-line-labgit 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/subject-line-lab ~/.claude/skills/subject-line-lab # Claude Code
cp -R /tmp/aaron-he-zhu__aaron-marketing-skills/email/engage/subject-line-lab ~/.agents/skills/subject-line-lab # Codex, Cursor, Gemini CLI, Copilot, OpenCode