# The one-page product brief

Build a Product · buildaproduct.live

A focused worksheet for the person, problem, promise, scope, and success signal.

## Audience and situation:

_Your notes:_


## Observed problem and current workaround:

_Your notes:_


## Evidence we have / assumptions we still hold:

_Your notes:_


## Smallest useful promise:

_Your notes:_


## Essential user journey:

_Your notes:_


## Out of scope for version one:

_Your notes:_


## Risks and acceptance criteria:

_Your notes:_


## Success signal and review date:

_Your notes:_


Use this worksheet as a starting point. Revise it based on real evidence from your own product.