Write a design brief with explicit success criteria
Define what the design must achieve before exploring how it looks.
What this prompt helps you do
A brief with the problem, users, constraints, success criteria, and what is deliberately out of scope.
When to use it
Design work is starting without an agreed definition of what would make it successful.
What to prepare
The goal, relevant source material, constraints, examples, and the decision or action this should support.
How to get a strong result
Make the success criteria observable; criteria that cannot be checked will be declared met by whoever presents.
How to use this prompt
Replace each placeholder with accurate context. Paste the complete prompt into Claude, review the response critically, resolve important questions, and use it as a considered input to the next decision—not as an unchecked final answer.