Free tools
The lean founder’s free kit.
Templates, prompts, and calculators to run your next validation sprint — free, no email required.
- PDF
The AI Founder’s Prompt Library
50 battle-tested prompts to make AI your analyst, copywriter, and co-founder.
Download - PDF
Lean Validation Template
The one-page canvas to turn a hunch into a testable experiment this week.
Download - Excel
Unit-Economics Calculator
Margin, CAC, LTV, payback and runway — with a worked example, ready to edit.
Download - Workspace
AI Founder Command Center
A clonable workspace to run your whole validation sprint in one place.
Soon
Free · no email required
Run one this week
Pick your experiment.
The fastest, cheapest ways to learn whether anyone actually wants what you’re about to build — straight from the field guides.
-
Landing page test
Real interest in the offer
-
Pre-sale
Willingness to pay
-
Concierge MVP
That the value lands, delivered by hand
-
Wizard of Oz
The experience, with humans behind it
-
Customer interviews
That the problem is real and frequent
-
Smoke test
Click intent for a “buy” button
Stay in the loop
Optional
Want the next tool first?
Join the list for new titles and field tools. That’s it — no spam, unsubscribe in one click.
The downloads above are free and need no email. This is opt-in only.