Prototype Proof Pack — Proof Engine
Stage 4 · Prototype Proof
The AI toolkit for scoping your MVP ruthlessly, testing with real users before you polish, calculating your unit economics, and diagnosing why your prototype isn't converting — before you waste months building the wrong thing.
Price: $6.99
What's included
- 12 specialist AI skills — each one an expert for a different Stage 4 challenge
- 6 ready-to-run PACT prompts for Stage 4 validation
Checklist
- 12 specialist AI skills
- 6 PACT prompts
- No Claude Project setup required
About this stage
Build the minimum version that proves the core utility works.
What you're proving: You can deliver the core function of your product — and at least one person can complete the primary action without help.