Does this product make money at a price someone will pay? Forces contribution margin, a price with a stated basis, and a bottom-up market size — each number labelled measured / assumed / unknown, so a guess can never be read as a calculation.
Install
npx skills add avelikiy/great_cto --skill product-economicsnpx skills add avelikiy/great_cto --skill product-economics -a claude-code -gnpx skills add avelikiy/great_cto --skill product-economics -a codex -ggemini skills install https://github.com/avelikiy/great_cto.git --path skills/product-economicsgh skill install avelikiy/great_cto product-economicsgit clone --depth 1 https://github.com/avelikiy/great_cto /tmp/avelikiy__great_cto
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/avelikiy__great_cto/skills/product-economics ~/.claude/skills/product-economics # Claude Code
cp -R /tmp/avelikiy__great_cto/skills/product-economics ~/.agents/skills/product-economics # Codex, Cursor, Gemini CLI, Copilot, OpenCode