# Seven Powers

> Use when asked to "7 Powers", "build a competitive moat", "analyze defensibility", "find sustainable advantage", "economic moats", or "Hamilton Helmer framework". Helps identify durable competitive advantages. The 7 Powers framework (created by Hamilton Helmer) reveals the economic structures that protect business value from competition.

- Skill: `pmprompt/seven-powers` (Agent Skill)
- Install (CLI): `npx skillmds@latest add pmprompt/seven-powers`
- Raw SKILL.md: https://api.skillmd.com/api/skills/pmprompt/seven-powers/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: pmprompt (https://skillmd.com/u/pmprompt)
- Updated: 2026-09-10
- Page: https://skillmd.com/skills/pmprompt/seven-powers

---


## Domain Context

This skill implements a proven product management framework. The approach combines best practices from industry leaders and is designed for practical application in day-to-day PM work.

## Input Requirements

- Context about your product, feature, or problem
- Relevant data, research, or constraints (recommended but optional)
- Clear articulation of what you're trying to achieve


# 7 Powers: The Foundations of Business Strategy

## What It Is

7 Powers is a framework for understanding sustainable competitive advantage. The core insight: **Business value comes from possessing an attribute that produces higher returns than competitors AND a barrier that prevents competitors from arbitraging it away.**

Power = Benefit + Barrier

Warren Buffett famously said: "In business, I look for economic castles protected by unbreachable moats." Power is understanding what makes something a castle (the benefit) versus a shack, and what makes the moat unbreachable (the barrier).

The key shift: Move from asking "What's our competitive advantage?" to asking "What economic structure creates durable differential returns?"

## When to Use It

Use 7 Powers when you need to:

- **Evaluate a business's long-term defensibility** (investment decisions, competitive analysis)
- **Design a startup for durability** (not just product-market fit)
- **Understand why incumbents can't respond** to your disruptive move
- **Prioritize strategic initiatives** based on what builds power
- **Identify whether you actually have a moat** or just operational excellence
- **Plan second acts** (new business lines that could develop power)
- **Win market share battles** in high-growth phases

## When Not to Use It

- You don't have product-market fit yet
- The business is purely commodity with no differentiation possible
- You want to justify a strategy you've already decided on
- You're optimizing operations (power is about structure, not execution)

## Resources

**Books:**
- *7 Powers* by Hamilton Helmer
- *Good Strategy Bad Strategy* by Richard Rumelt
- *Competition Demystified* by Bruce Greenwald


## Further Reading

- [7 Powers](https://www.productcompass.pm/p/7-powers)

