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From idea to product

Picture a baker with a new bread idea. She does not bake loaves for a whole town and open a shop. She bakes one small batch, lets a few neighbours taste it, and changes one thing in the next batch. Because she changes one thing at a time, she knows which change helped. Building a product with Claude works the same way: a small batch, a taste test, one change.

You have an idea for a small product, and Claude can build much of it. This chapter teaches the order that keeps the build under your control: write a short spec, build one small working slice, check each step, then put it in front of real people. Each lesson adds one habit to that order.

Lessons

• Lesson 1A one-page spec
• Lesson 2The first working slice
• Lesson 3A check for each step
• Lesson 4Shipping without a team

Further resources

• The Lean Startup: Principles: the build, measure and learn loop, and why a first version should be small enough to show someone early.
• Simon Willison: Vibe engineering: an independent look at the habits, such as tests and a plan written first, that make coding agents work well.
• Claude Code: Best practices: how to give Claude a check to run, and how to have it interview you until a spec is written.