AI Assisted Prototyping

AI-Assisted Prototyping

Transform abstract product concepts into functional, interactive software using natural language and AI tools.

Help the user with ai-assisted prototyping using insights from 15 guests and posts across Lenny's Podcast and Newsletter.

How to Help

• Identify the goal - Determine if the objective is a visual exploration, a functional internal tool, or a production-grade feature validation.
• Select the tool - Choose between web-based visual builders like v0 or Lovable and local development environments like Cursor based on project complexity.
• Prompt and iterate - Use detailed descriptions, PRDs, or screenshots to generate the initial version and refine it through granular, sequential feedback.
• Validate and hand off - Use the interactive prototype to gather user feedback or provide engineering with high-fidelity reference code for implementation.

Core Principles

Taste-Making through Functional Builds

Aparna Chennapragada: "If you're not prototyping and building to see what you want to build, I think you're doing it wrong. It becomes even more important to have that territorial and taste-making at the heart of it because, otherwise, you just have a Frankenstein product."

Build functional prototypes immediately to develop product taste. Visualizing the vision before committing to full-scale development helps avoid building incoherent features that fail to solve core user problems.

Real-World Feature Validation

Eric Simons: "And it's not just building a static site, or something like that, but you can actually build full stack, real software with databases, and hosting and et cetera, just from prompting. And in a ridiculously short period of time, it's not like you're spending hours and hours or days, putting this together. You can get results in like, a minute."

Move beyond static mockups to validate complex features like databases and hosting. Text-to-app tools allow for the testing of full-stack versions of features rather than just static UIs.

Planning Over Execution

Lazar Jovanovic: "I can say I spent 80% of my time in planning and chatting and only 20% in executing the plan actually. I'm optimizing for the right kind of speed. Most people optimize for the wrong one."

Successful AI orchestration requires shifting focus from implementation to heavy planning and sequential task scoping. Dedicate the majority of project time to the chatting phase to ensure the AI follows a logical path.

Independent Shipping

Zevi Arnovitz: "If you're non-technical like me, code is terrifying, but AI just makes it so much possible. In the next coming years, I think everyone's going to become a builder. Titles are going to collapse and responsibilities are going to collapse."

Lower the barrier to entry for professional software development by using tools like Cursor with Claude Code. This allows non-technical product managers to build and ship software independently using a library of reusable commands.

Questions to Help Users

• "What specific problem or manual workflow are you trying to automate with this prototype?"
• "Do you have a visual reference, such as a Figma screenshot or a hand-drawn sketch, to use as a starting point?"
• "Does your prototype require a functional backend for data persistence and user authentication?"
• "Which AI development tool best fits your current technical skill level and project needs?"
• "What are the 2-3 core functional requirements that will define the success of this build?"
• "How do you plan to use the final output: for user testing, internal alignment, or engineering handoff?"

Common Mistakes to Flag

• Neglecting the planning phase - Jumping into implementation without a sequential task list leads to architectural confusion for the AI and broken logic.
• Building static instead of functional - Missing the opportunity to test real data flows and hosting environments by settling for UI-only mocks limits validation.
• Using the wrong tool for the task - Attempting complex state management in a simple visual builder when a professional local IDE is required for advanced debugging.
• Vague initial prompts - Failing to provide enough context about the desired software stack and core features results in generic and unhelpful outputs.

Deep Dive

For all 40 sourced insights from 15 guests, see references/guest-insights.md

Related Skills

• Writing Prds
• Shipping Velocity
• Building With Ai Agents
• Product Tool Stack