Use when designing experiments for subject lines, offers, cadences, or
Install
npx skills add gtmagents/gtm-agents --skill ab-testingnpx skills add gtmagents/gtm-agents --skill ab-testing -a claude-code -gnpx skills add gtmagents/gtm-agents --skill ab-testing -a codex -ggemini skills install https://github.com/gtmagents/gtm-agents.git --path plugins/email-marketing/skills/ab-testinggh skill install gtmagents/gtm-agents ab-testinggit clone --depth 1 https://github.com/gtmagents/gtm-agents /tmp/gtmagents__gtm-agents
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/gtmagents__gtm-agents/plugins/email-marketing/skills/ab-testing ~/.claude/skills/ab-testing # Claude Code
cp -R /tmp/gtmagents__gtm-agents/plugins/email-marketing/skills/ab-testing ~/.agents/skills/ab-testing # Codex, Cursor, Gemini CLI, Copilot, OpenCode