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porters-five-forces · deanpeters — Claude Code skill: what it does, how to install

Evaluates market structure through Porter's forces and verified signals to test expansion bets or explain falling margins.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add deanpeters/Product-Manager-Skills --skill porters-five-forces -a claude-code
Open on GitHub

What porters-five-forces does

The skill directs an agent through an evidence-backed industry audit. It scores competitive rivalry, entry threats, substitute solutions, buyer leverage, and supplier dominance. Each force receives a weak, moderate, or strong grade tied to verified market signals. Modern shifts are accounted for directly: AI tools are reviewed as potential substitutes, while cloud and foundation model providers are tracked under supplier power.

An investigation follows a defined routine. The agent drafts a targeted search outline, pulls facts from regulatory filings and industry publications, and outputs a standardized report. The summary zeroes in on where industry profit concentrates and how that pressure impacts your strategic decision.

Brand-new categories without established participants break this framework because dynamic forces have not settled yet. Fabricating market shares or financial metrics is explicitly barred, so unconfirmed details are marked as assumptions for follow-up testing.

What it helps with

  • test market entry decisions against industry dynamics
  • diagnose structural drivers of shrinking profit margins
  • evaluate artificial intelligence as a substitute threat
  • map supplier dependency across cloud and model vendors

Example prompts for the agent

  • Analyze North American field service software for mid-size businesses to decide if we should enter directly or find a partner.
  • Run an industry forces review on European telehealth to uncover why operating margins keep eroding.

How to install porters-five-forces

1Skills CLI (Vercel)

npx skills add deanpeters/Product-Manager-Skills --skill porters-five-forces -a claude-code

2Manually: put the files in place

~/.claude/skills/porters-five-forces/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/porters-five-forces/

Step by step, with commands for each platform: How to install skills in Claude Code: five ways

Questions about porters-five-forces

How do I install porters-five-forces in Claude Code?

Run npx skills add deanpeters/Product-Manager-Skills --skill porters-five-forces -a claude-code in your terminal. You can also place the configuration file manually at ~/.claude/skills/porters-five-forces/SKILL.md.

What does porters-five-forces do?

It audits an industry by grading five market pressures using sourced evidence. The final report maps who captures profits and links those findings directly to your strategic choice.

When should this skill be skipped?

Skip it for emerging sectors where boundaries and business models are still taking shape. In those scenarios, running an initial landscape overview is more practical.

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