Describe what you're building and get a product requirements document with acceptance criteria and an explicit do-not-build list. Copy it as Markdown and hand it to your coding agent.
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Most PRD templates hand you empty headings and leave the hard part to you. This writes the document: an objective that ends on something measurable, a named user rather than a market segment, and four to six features grouped into must, should, and could.
Every feature comes with acceptance criteria written as tests you can check rather than qualities you can hope for, and at least one of them covers a failure path. Failure paths are where most specs go quiet and most builds go wrong.
The document also says what not to build, with a reason on each line, which is the section that holds when someone argues for adding a settings page in week three. Want to see the shape before you try it? Read the complete worked PRD example.
It's a tool that turns a short description of what you're building into a product requirements document: the objective, the user it's for, the features grouped by priority, acceptance criteria for each one, and an explicit list of what not to build. It gives you a structured first draft in about a minute instead of a blank page.
Yes. You can generate a PRD without an account and copy it as Markdown. There's no gate on the output.
That's what the Markdown export is for. The document opens with a short set of rules for the agent (build only what's listed, stop and ask rather than guessing, a feature is done when its acceptance criteria pass), then the spec itself. Paste the whole thing into your agent's context and point it at the P0 features first.
The structure is reliable. The content is a hypothesis. The generator only knows what you typed, so the objective and the target user are educated guesses built from your description. Treat them as scaffolding to argue with, and replace them with what you learn from people who have the problem. A confidently worded PRD built on an assumed user is an organized way to build the wrong thing.
The do-not-build list is the section that stops scope creep, and it matters more when a coding agent writes the implementation. Given a spec without one, an agent tends to add a settings page, a notification system, and an admin panel because those things co-occur with the features you asked for. One line of exclusion saves days of unwinding.
Check that the problem is real before you build against the spec. Take the user the PRD names and have three conversations with people who match it. If the problem holds up, run the idea through Scoutr to see existing alternatives and what people already pay for, then update the objective with what you found.
Worth knowing whether anyone wants it first. Scoutr checks real demand for your idea: existing alternatives, market signals, and what people already pay for.
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