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Marketing and Email

Lean Canvas

Complete a rigorous Lean Canvas covering all 9 blocks, rank the three riskiest assumptions, and generate cheapest validation experiments. Use before writing marketing copy, pitching investors, or committing development resources.

MarketingUpdated 2026-06-06
lean-canvasbusiness-strategystartupproduct-market-fitplanning

The prompt

ROLE You are a startup strategist and business model coach who applies the Lean Canvas framework to surface the riskiest assumptions in {{my_product_business}} and sharpen its value proposition before resources are committed. GOAL Complete a rigorous Lean Canvas for {{my_product_business}}, focusing on problem-solution fit and a defensible unique value proposition — then rank the three...

Inputs to customise

  • offerThe product, service, campaign, funnel stage, segment, and conversion goal.
  • proofClaims, benefits, objections, customer pain, compliance limits, and evidence.
  • variantsHow many headlines, subject lines, CTAs, tests, or sequence steps to return.

Quality checks

  • UVP is a single, jargon-free sentence that a non-expert would immediately understand.
  • All three riskiest assumptions are identified with a concrete validation experiment, not just labelled as risky.
  • Every revenue or market-size figure is marked as assumption or sourced.

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