A/B test content variants by eval score and declare a winner with confidence. "compare two versions of this copy"
Install
npx skills add indranilbanerjee/digital-marketing-pro --skill prompt-testnpx skills add indranilbanerjee/digital-marketing-pro --skill prompt-test -a claude-code -gnpx skills add indranilbanerjee/digital-marketing-pro --skill prompt-test -a codex -ggemini skills install https://github.com/indranilbanerjee/digital-marketing-pro.git --path skills/prompt-testgh skill install indranilbanerjee/digital-marketing-pro prompt-testgit clone --depth 1 https://github.com/indranilbanerjee/digital-marketing-pro /tmp/indranilbanerjee__digital-marketing-pro
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/indranilbanerjee__digital-marketing-pro/skills/prompt-test ~/.claude/skills/prompt-test # Claude Code
cp -R /tmp/indranilbanerjee__digital-marketing-pro/skills/prompt-test ~/.agents/skills/prompt-test # Codex, Cursor, Gemini CLI, Copilot, OpenCode