Turn a customer problem into a prototype brief
A one-flow prototype brief with acceptance criteria and a test plan.
What to bring
- An anonymized customer problem and source notes
- The single task the user needs to finish
- Time, technical, and budget constraints
Remove personal or confidential information that is not needed. Check whether you are allowed to share the remaining material with your chosen tool.
Where AI fits, step by step
- Human
1. Pick one problem
Select a repeated customer task. Separate observed behavior from requests, assumptions, and personal preferences.
- AI
2. Draft the smallest useful flow
Ask for the starting state, inputs, steps, successful output, failure states, and explicit exclusions.
- Human
3. Approve the boundaries
Remove features that do not test the central question. Decide what data can be used and which errors are unacceptable.
- AI + human
4. Make and test
Use AI to draft a prototype or implementation brief. Review the code and behavior, then observe real users attempting the task without coaching them through it.
A worked example
A service business wants clients to stop emailing incomplete project requests. The first prototype collects the project type, deadline, and required files and produces a reviewable request summary.
The brief excludes accounts, payments, a CRM, and automatic estimates. A successful test means a client can submit the minimum useful information and correct a mistake before sending.
AI proposes an instant price quote, but the owner removes it because pricing depends on a site visit. The useful output is a better intake, not an unverified commercial promise. Interview three actual clients about the prototype; three interviews are an early signal, not proof of a market.
A prompt to adapt
Create a one-flow prototype brief from the supplied evidence. Include the user job, inputs, steps, outputs, empty and failure states, acceptance criteria, and exclusions. State the riskiest assumption and a small real-user test. Never invent validation.
Add your goal, context, constraints, and finish line in the free workflow planner.
The human review
- Is every capability needed for this test?
- Are errors and empty states covered?
- Can a real user complete the task unaided?
Use the AI output review worksheet to record these checks and build a revision brief.
Choose the tool after the task
Use the design or development tools you already know. Waymaker is an option for working through business decisions; the tool directory also includes general assistants.
Compare tools and read the ownership disclosure.
What to measure
Record task completion, confusing steps, and missing information. Decide what to change before adding another feature.
For repeated work, use the workflow value calculator to include review time and setup effort. Its result is an estimate, not a promise of savings.
Go deeper
Read the full product building field guide.
Make this fit your work.
Build a useful brief, then take it into the AI tool you already use. No signup is required.
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