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Woo Sik Choi

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Woo Sik Choi

Portfolio, engineering notes, and project case studies.

Opportunity Lab

Score the idea before you overbuild it.

This MVP uses deterministic scoring, not the OpenAI API. It helps you reason about audience, pain, data advantage, scope, and distribution before committing to a larger build.

Score a product idea

Deterministic MVP scoring, no OpenAI API.

Opportunity report

A practical read on whether to validate, sell, or shrink.

Add an idea and score it. The report will show a score, verdict, 7-day validation plan, and the next product-lab action.

Get future tool updates

Follow practical build logs, validation notes, and product-lab updates as this tool evolves.

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