He Built 40 Startups Using Just Prompts — Here’s His System

While most people are still asking ChatGPT to write code snippets, Kevin Leneway is building full-stack products using nothing but prompts.

In this One-Shot episode, he reveals the exact system he’s used to launch over 40 startups at Pioneer Square Labs.

We break down:

- How he writes BRDs and PRDs that don’t suck

- Why vibe coding fails and how to actually use AI agents

- The markdown checklist that replaces a product team

- How to go from idea to working app with zero context switching

- His open-source starter kit that makes Cursor and Claude 3.5 feel like magic

If you’re a builder, this will change how you work.

No gimmicks. Just a ruthless focus on speed, clarity, and shipping.

Watch now. Learn the system. Steal it.

Check out more information like this at Kevin's YouTube: https://www.youtube.com/@kevinleneway2290

Also, check out Kevin's Github:

http://github.com/kleneway/next-ai-starter

NextAI Starter Repo: https://github.com/kleneway/next-ai-starter

BRD/PRD/Checklist prompts: https://chatgpt.com/share/67c5ee78-0b94-800d-b467-ceecdbf6ce70

Agent Tasklist example: https://gist.github.com/kleneway/07432638aeaf6210316ebbc32dfbe643

Storybook Link: https://storybook.js.org/

UX Rubric Example: https://github.com/kleneway/pastemax/blob/main/docs/ux-rubric.md

PasteMax Open Source Repo: https://github.com/kleneway/pastemax/