Day 4 (Thursday) move of a Design Sprint that produces the planning artifact for the day. Output covers the prototype role plan (Maker, Stitcher, Writer, Asset Collector, Interviewer), prototype brief (what to build, fidelity bar, time allocation per role), canonical Five-Act Interview script (Welcome, Context, Intro, Tasks, Debrief), trial-run checklist, and Friday participant confirmation…
Install
npx skills add product-on-purpose/pm-skills --skill tool-design-sprint-prototype-plannpx skills add product-on-purpose/pm-skills --skill tool-design-sprint-prototype-plan -a claude-code -gnpx skills add product-on-purpose/pm-skills --skill tool-design-sprint-prototype-plan -a codex -ggemini skills install https://github.com/product-on-purpose/pm-skills.git --path skills/tool-design-sprint-prototype-plangh skill install product-on-purpose/pm-skills tool-design-sprint-prototype-plangit 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-design-sprint-prototype-plan ~/.claude/skills/tool-design-sprint-prototype-plan # Claude Code
cp -R /tmp/product-on-purpose__pm-skills/skills/tool-design-sprint-prototype-plan ~/.agents/skills/tool-design-sprint-prototype-plan # Codex, Cursor, Gemini CLI, Copilot, OpenCode