Install any skill in seconds. Free to start, no credit card required.
Get Started Free →davekilleen/product-brief
Extract a product idea through guided questions and generate a PRD.
Passed 18 of 23 test cases with the skill, and 8 of 23 without it.
and 11 more in the full report
10 fixed8 passed either way5 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.
I answered Round 1: This solves delayed feedback loops for remote teams; it's for product designers; success is 50% weekly active user retention. Now continue the discovery process.
| Checked | Without skill | With skill |
|---|---|---|
| The response asks about project timeline expectations. | Missed | Passed |
| The response acknowledges the user's Round 1 answers before presenting Round 2 questions. | Passed | Passed |
The instructions your model reads when the skill loads.
Extract product ideas from your head through guided questioning, then generate a detailed Product Requirements Document (PRD). Designed for product people who have a vision but need help articulating it clearly.
You have an idea for a product or feature in your mind, but struggle to explain it comprehensively. This command acts as your product thought partner — asking the right questions to extract what you're envisioning, then structuring it into a PRD ready for a team to execute.
/product-brief [initial idea]
Examples:
/product-brief Add a notification system to our app/product-brief Build a customer feedback portal/product-brief Create an onboarding flow for new users/product-brief (prompts you for the idea)If no idea is provided: Ask: "What product or feature are you thinking about?"
If idea is provided: Start with whatever the user provides:
Display:
test cases passed, vs 8 / 23 without
Published skills whose descriptions closely match this one, with their headline benchmark lift.
More skills from the same source and nearby in the registry, with their headline benchmark lift.