This breaks down product requirements and architecture decisions into epics and user stories with complete acceptance criteria. It's built on a step-file workflow architecture where you move through structured phases one at a time, pulling context from your PRD, architecture docs, and project config. The workflow treats you as a partner, not a client, assuming you're bringing product expertise while it handles decomposition and technical specification writing. You trigger it by saying "create the epics and stories list" and it walks through validation, analysis, and story creation in sequence. It's heavily structured with append-only building and state tracking in frontmatter, which feels rigid but keeps large planning efforts from going sideways.
npx skills add https://github.com/bmad-code-org/bmad-method --skill bmad-create-epics-and-stories