Day 1 morning move of a Foundation Sprint. Forces explicit team choices on target customer, important problem, team advantage, and competitors and alternatives. Produces a single coherent strategic frame that becomes the input to Day 1 afternoon Differentiation. Use after the sprint brief is signed and Day 1 morning is scheduled. Bundled artifact, not four separate decisions.
Install
npx skills add product-on-purpose/pm-skills --skill tool-foundation-sprint-basicsnpx skills add product-on-purpose/pm-skills --skill tool-foundation-sprint-basics -a claude-code -gnpx skills add product-on-purpose/pm-skills --skill tool-foundation-sprint-basics -a codex -ggemini skills install https://github.com/product-on-purpose/pm-skills.git --path skills/tool-foundation-sprint-basicsgh skill install product-on-purpose/pm-skills tool-foundation-sprint-basicsgit clone --depth 1 https://github.com/product-on-purpose/pm-skills /tmp/product-on-purpose__pm-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/product-on-purpose__pm-skills/skills/tool-foundation-sprint-basics ~/.claude/skills/tool-foundation-sprint-basics # Claude Code
cp -R /tmp/product-on-purpose__pm-skills/skills/tool-foundation-sprint-basics ~/.agents/skills/tool-foundation-sprint-basics # Codex, Cursor, Gemini CLI, Copilot, OpenCode