Ask HN: What about a Tool for validating prob/sol with help of community?

[parvbhullar]

What kind of elements/features one really need to test an idea with the help of the community. How to figure out what people actually need and the idea we're building is really worth building?

It's like pre-product feedback from the community. Not only response as comments, something more assessable. Also helps to shape the mind of the creator to the product market fit.

Few I can think of Efficiency, Affordability, Readiness, Learning Effort

Do there is already that kind of tools?