Perform Porter's Five Forces analysis — competitive rivalry, supplier power, buyer power, threat of substitutes, and threat of new entrants. Use when analyzing industry dynamics, assessing competitive forces, or evaluating market attractiveness.
Install
npx skills add phuryn/pm-skills --skill porters-five-forcesnpx skills add phuryn/pm-skills --skill porters-five-forces -a claude-code -gnpx skills add phuryn/pm-skills --skill porters-five-forces -a codex -ggemini skills install https://github.com/phuryn/pm-skills.git --path pm-product-strategy/skills/porters-five-forcesgh skill install phuryn/pm-skills porters-five-forcesgit clone --depth 1 https://github.com/phuryn/pm-skills /tmp/phuryn__pm-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/phuryn__pm-skills/pm-product-strategy/skills/porters-five-forces ~/.claude/skills/porters-five-forces # Claude Code
cp -R /tmp/phuryn__pm-skills/pm-product-strategy/skills/porters-five-forces ~/.agents/skills/porters-five-forces # Codex, Cursor, Gemini CLI, Copilot, OpenCode