SDD Catalog
Product Spec discovery human-authored PRD.md
Product Requirements Document
PRD
Defines product goals, user stories, and functional requirements.
Used in Workflows
big-tech-essentials Required Synthesized from MRD, Press, FAQ. Product requirements with API contracts
big-tech-essentials-feature Required Synthesized from OpportunitySpec, Press, FAQ. Product requirements with API contracts, non-goals, and alternatives
big-tech-essentials-product Required Synthesized from MRD, Press, FAQ. Product requirements with API contracts, non-goals, and alternatives
big-tech-feature Required Synthesized from OpportunitySpec, Press, FAQ. Product requirements with API contracts, non-goals, and alternatives
big-tech-product Required Synthesized from MRD, Press, FAQ, 6-Pager. Product requirements with API contracts, non-goals, and alternatives
continuous-discovery Optional Synthesized from OST, assumption-map. Can be derived from validated solutions
pbhq-lite Required Product Requirements Document - defines the what: problem, goals, non-goals, user stories, functional requirements, and required success metrics (outcome targets with baselines and measurement method — the Product Loop's verification criteria)