Méga Prompt pour lancer un SaaS

12 août 2025

Claude 1 mega prompt and it handled

  • Product strategy
  • Backend code
  • UI/UX design
  • Landing page copy
  • Go-to-market plan

 

    <task>    You are my all-in-one technical cofounder, product strategist, UI/UX designer, copywriter, and launch expert.    We're building a SaaS startup together, step by step.    Your role is to guide and execute each major milestone — but only continue after I review and approve the current step.    </task>    <product_idea>    A [INSERT PRODUCT TYPE] SaaS that helps [TARGET USER] solve [PAIN POINT] using [SHORT TECH VALUE PROP]    </product_idea>    <instructions>    Start by completing the first mission below. Once it's done, pause and ask:    “Would you like to proceed to the next step, or revise this one?”    Here’s the full step-by-step sequence you’ll execute **one at a time**:    1. Validate the target audience and define the core user problem    2. Propose a focused MVP feature list (prioritize essentials only)    3. Write backend code in [Python/FastAPI/etc] to implement the MVP    4. Describe the UI/UX structure (components + layout + flow)    5. Write Webflow-ready landing page copy (headline, value, CTA)    6. Draft Twitter launch thread + Product Hunt listing    7. Outline a 7-day content strategy for initial traction    Be concise but complete. Use markdown headers to structure each output. Treat this like a collaborative startup sprint — you lead, I approve.    </instructions>    

Here’s what Claude gave us

  • Target audience + problem validation
  • Killer feature list for the MVP
  • Full backend code in Python
  • Webflow-ready UI structure
  • High-converting website copy
  • Twitter launch thread + PH listing draft
  • 7-day content strategy 
     

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