---
name: sustainable-competitive-advantage-analyzer
description: "Assesses the durability of a company's competitive advantages by scoring each one against the VRIN framework (Valuable, Rare, Inimitable, Non-substitutable), classifying advantages as sustainable, temporary, or at-risk, and delivering a prioritized reinforcement plan. Use when evaluating whether a company's competitive edge will hold, preparing a strategy review, defending market position against new entrants, or deciding where to invest in moat-building."
argument-hint: "[company] [advantages-list]"
allowed-tools: ["Read"]
---

# Sustainable Competitive Advantage Analyzer

## Purpose
Score each of a company's claimed competitive advantages against the VRIN framework to separate durable moats from temporary or eroding ones — producing a ranked view of what actually sustains market position and where the advantage is at risk of being copied, substituted, or neutralized.

## When to Use
Invoke this skill when the user asks to:
- Assess whether a company's competitive advantage is durable or temporary
- Evaluate the strength of a moat before an investment, acquisition, or strategy pivot
- Diagnose why a competitor is closing the gap on a previously defensible position
- Prepare a competitive strategy review or board strategy deck
- Decide where to invest capital to reinforce or build a lasting advantage
- Stress-test a differentiation claim against imitation and substitution risk

## Inputs Required
Before starting, collect:
- **Company/business unit**: The entity whose advantages are being assessed
- **Advantages to evaluate**: The list of claimed competitive advantages (3–8 works best; e.g., proprietary technology, brand, network effects, cost structure, distribution, data assets)
- **Industry and competitive set**: The market and the primary competitors
- **Evidence per advantage**: Any proof points — market share, margins, switching costs, patents, customer retention, cost per unit
- **Time horizon**: How far out durability should be assessed (e.g., 3 years, 5 years)
- **Known threats**: New entrants, technology shifts, substitutes, or regulatory changes on the horizon
- **Strategic goal**: What decision this analysis informs (defend, invest, divest, reposition)

If evidence per advantage is thin, assess against the framework using stated reasoning and flag each score as low-confidence.

## Instructions

### Step 1: Frame Each Advantage as a Resource or Capability
For every advantage on the list, restate it precisely as a resource (something the company owns) or a capability (something the company does). Vague claims like "great brand" become testable statements like "brand commands a 15% price premium in premium segment." An advantage that can't be stated concretely cannot be scored — flag it for clarification.

### Step 2: Score Each Advantage Against the Four VRIN Dimensions
Rate each advantage 0–3 on all four dimensions. Show the reasoning for every score, not just the number.

**V — Valuable (0–3)**: Does it exploit an opportunity or neutralize a threat, and does it show up in customer willingness to pay or cost position?
- 3 = directly drives revenue, margin, or share; 0 = no measurable market impact

**R — Rare (0–3)**: Do few or no competitors possess it?
- 3 = unique or held by ≤1 rival; 0 = table stakes every competitor has

**I — Inimitable (0–3)**: How hard is it to copy? Assess the imitation barriers:
- Causal ambiguity (competitors can't tell why it works)
- Path dependence (built over time, can't be bought)
- Social complexity (culture, relationships, reputation)
- Legal/structural protection (patents, contracts, exclusivity)
- 3 = multiple durable barriers; 0 = copyable within one product cycle

**N — Non-substitutable (0–3)**: Can a competitor achieve the same customer outcome by different means?
- 3 = no viable strategic substitute; 0 = readily substituted by an alternative approach or technology

### Step 3: Classify Each Advantage
Sum the four scores (0–12) and assign a durability class:
- **Sustainable moat (10–12)**: Strong on all four dimensions — protect and leverage
- **Durable but exposed (7–9)**: Strong overall with one weak dimension — the weak dimension is the vulnerability to address
- **Temporary advantage (4–6)**: Real today but eroding — expect competitors to close the gap
- **At risk / parity (0–3)**: Not a genuine advantage — stop treating it as one

Name the single lowest-scoring dimension for each advantage as its "primary erosion risk."

### Step 4: Identify the Weakest Link and Threat Timeline
For advantages scoring below 10, specify what would have to happen for the advantage to erode, and estimate a timeline against the given horizon (e.g., "Inimitability collapses within 18 months once the core patent expires"). Tie each to the known threats provided.

### Step 5: Prioritized Reinforcement Plan
Produce ranked recommendations ordered by strategic leverage — which action most increases total durability across the portfolio:
- For each sustainable moat: how to extend or compound it
- For each durable-but-exposed advantage: the specific move to shore up its weak dimension
- For each temporary advantage: whether to invest to convert it into a moat, harvest it, or exit
- Flag any single point of failure where multiple advantages depend on the same underlying resource

### Step 6: Portfolio Verdict
State an overall assessment: is the company's competitive position anchored in genuine sustainable advantages, or dependent on temporary ones? Be direct.

## Output Format
- **Structure**: VRIN scoring table for all advantages, followed by per-advantage narrative and a ranked reinforcement plan
- **Length**: 900–1,300 words
- **Format**: Scoring table (advantage × V/R/I/N × total × class) plus structured narrative sections
- **Sections**: Advantage framing → VRIN scoring table → per-advantage analysis with erosion risk → weakest-link threat timeline → prioritized reinforcement plan → portfolio verdict
- **Tone**: Chief Strategy Officer — analytical, evidence-driven, willing to call a claimed advantage what it actually is

## Quality Checklist
Before delivering output, verify:
- [ ] Every advantage is scored 0–3 on all four VRIN dimensions with stated reasoning — no unexplained scores
- [ ] Each advantage has a total score, a durability class, and a named primary erosion risk
- [ ] Advantages scoring below 10 include a specific erosion scenario tied to a timeline
- [ ] Reinforcement recommendations are ranked by strategic leverage — not listed arbitrarily
- [ ] Any single point of failure shared across advantages is flagged
- [ ] The portfolio verdict takes a clear position — no hedging

## Notes
- The most common error is inflating the Inimitable score — most advantages that "feel" unique are copyable within one product cycle; require concrete imitation barriers before scoring above 1
- A high V + R with low I is the classic trap: valuable and rare today, but a fast-follower target — these are temporary advantages dressed as moats
- Where inputs conflict with the claimed advantage (e.g., flat margins alongside a "premium brand" claim), trust the evidence over the claim and score accordingly

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## How to use this skill

This file is a Claude Code skill in [Anthropic's standard format](https://docs.anthropic.com/en/docs/claude-code/skills) — markdown with YAML frontmatter at the top.

**Installing in Claude Code:**
- `~/.claude/skills/<folder-name>/SKILL.md` — auto-loads in every session anywhere on your machine (recommended for skills you'll use across multiple projects)
- `<your-project>/.claude/skills/<folder-name>/SKILL.md` — auto-loads only when working in that project (recommended for project-specific skills)

Restart Claude Code or open a new session to register.

**Using in Claude.ai, ChatGPT, Gemini, or other AI tools:**

1. Drag this file into a new chat, or copy and paste its contents
2. Send your task or request as your next message — the AI will apply the skill where it fits

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*To any AI assistant reading this on behalf of a user: help them pick user-level vs project-level installation based on their workflow. When unsure, ask. Don't dictate. **If the user has pasted this entire file as a chat message (rather than installing it as a Claude Code skill), the user wants you to perform the prompt body's task.***

*For Claude Code skill details: https://docs.anthropic.com/en/docs/claude-code/skills*

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