Interactive discovery interview → structured product spec. Triggers: spec, PRD, requirements, scoping, brainstorming, new project. Uses AskUserQuestion; WebSearch/WebFetch when user wants research. Outputs user stories, acceptance criteria, constraints.
99
100%
Does it follow best practices?
Impact
96%
2.28xAverage score across 3 eval scenarios
Advisory
Suggest reviewing before use
Use 2–3 AskUserQuestion rounds to nail:
Infer project type (guides which categories matter most): Backend/API · Web · CLI · Mobile · Full-stack · Script/automation · Library/SDK.
Use CATEGORIES.md. For each relevant category: