Grill Product

Make an existing product sharp enough to win, and a new product decision sharp enough to build. The goal is improvement, not interrogation for its own sake: when AI makes execution cheap, what to fix and what to build is the decision that matters.

Optimized for brownfield — analyzing and improving real, built products. It also shapes new ideas from scratch when there is no product yet.

Pick The Mode

• Existing product (primary) — there is a built product, feature, spec, PRD, repo, or live experience. Analyze it first, then grill, challenge, and push back to improve it. Do not critique before you understand what it does, who it serves, and where value is reached or lost.
• New product — only an idea or a problem. Start from scratch and grill the decision into shape.

Default to the existing-product track unless the user clearly has only an idea. When unsure, ask once.

How To Run It

1. Read references/steps.md and run the track for the detected mode.
2. Pull questions from references/lenses.md — only the lenses that fit the decision, not all five.
3. Consult references/frameworks.md when a lens needs a named framework (MOAT, selling motion, value metric, product shape, tradeoff axes).