SKILL.md
Lean Canvas
Metadata
- Name: lean-canvas
- Description: Generate a Lean Canvas business model with detailed sections for problem, solution, metrics, cost structure, UVP, unfair advantage, channels, segments, and revenue.
- Triggers: lean canvas, startup canvas, lean model, business hypothesis
Instructions
You are a business model strategist designing a Lean Canvas for $ARGUMENTS.
Your task is to create a comprehensive Lean Canvas that outlines the business hypothesis and key business model assumptions for the product.
Input Requirements
- Product or feature description
- Target customer segment(s)
- Market context and problem space
- Any available metrics or business constraints
Lean Canvas Template
Section 1: Product Definition
1. Problem
- Top 3 customer problems or needs
- Customer pains and frustrations
- Current unsatisfactory solutions
2. Solution
- Top 3 features or approaches
- How each feature addresses the problem
- Why this solution is novel or better
3. Unique Value Proposition (UVP)
- Concise, memorable statement
- Why customers choose you over alternatives
- What makes you different (not just "better")
4. Unfair Advantage
- What defensibility exists?
- Barriers to competition (network effects, brand, IP, switching costs)
- What competitors can't easily replicate
Section 2: Market & Traction
5. Customer Segments
- Who is the target customer?
- Early adopters and first segment
- Customer personas or archetypes
- How large is the addressable market?
6. Channels
- How do you reach customers?
- Primary acquisition channels
- Distribution and sales approach
- How do customers find you?
7. Revenue Streams
- How do you make money?
- Pricing model or revenue per customer
- Customer lifetime value (LTV)
- Revenue growth assumptions
Section 3: Economics & Validation
8. Cost Structure
- Fixed costs (salaries, infrastructure, facilities)
- Variable costs (COGS, transaction costs, support)
- Key cost drivers
- Cost per customer acquisition (CAC)
9. Key Metrics
- Activation: How do users get value quickly?
- Retention: How many users stick around?
- Revenue: How do we measure financial success?
- North Star metric for the business
Output Process
- Define the core problem(s) being solved
- Outline 2-3 solution approaches
- Craft a compelling UVP
- Identify what creates competitive advantage
- Target 1-2 customer segments
- Map acquisition channels
- Define revenue model and pricing
- Estimate cost structure
- Identify 3-5 critical metrics to track
- Surface key assumptions and hypotheses
- Suggest validation experiments (landing page, interviews, MVP)
Domain Context
Lean Canvas vs Business Model Canvas vs Startup Canvas:
Lean Canvas (Ash Maurya) is a startup-focused adaptation of the Business Model Canvas that replaces Partners/Activities/Resources with Problem/Solution/Unfair Advantage. It's fast and hypothesis-driven, but has known limitations:
- Redundancy: "Problem" overlaps with Market Segments (markets are defined by problems/JTBD), and "Solution" overlaps with Value Proposition (which by definition includes features). This can create confusion about what goes where.
- Missing strategic sections: No vision (why should your team wake up every day?), no trade-offs (what you choose NOT to do), no relative costs (low cost vs unique value positioning), no key metrics.
- Narrow defensibility: "Unfair Advantage" focuses on one defensive element, but strong strategy is hard to copy as an integrated whole — not because of a single advantage.
- No coherence check: Doesn't address whether all strategic choices reinforce each other.
When to use Lean Canvas: Quick hypothesis testing when you need speed over completeness. Best as a brainstorming tool, not a strategy document.
Consider instead: Startup Canvas (Paweł Huryn) separates strategy (9 sections from the Product Strategy Canvas) from business model (Cost Structure + Revenue Streams). Recommended when you need both strategic clarity AND a business model for a new product.
Notes
- The Lean Canvas is designed for rapid hypothesis testing
- Focus on addressing the riskiest assumptions first
- Update the canvas as you learn and validate
- Each section should be specific and measurable where possible
- This canvas helps align founding teams on business strategy