domain-modeling
When the team uses different words for the same thing — creates a domain glossary, entity map, and Protected Terms.
10-discovery — Discovery
3 skills in this category.
prd
When requirements exist but need structure — selects the right PRD format (lean, full, working-backwards, hypothesis) and produces a living document with versioning and lifecycle.
requirements-elicitation
When scope is fuzzy — interviews the user for goals, constraints, and success metrics before coding starts.