Spec Writer

Use this skill when a vague feature request, ticket, PRD fragment, or rough idea needs to be turned into a structured specification, technical plan, and ordered task breakdown for AI coding agents. Generates all three output sections immediately, then flags every implicit decision as an inline [ASSUMPTION: ...] marker with an impact rating and correction guidance — no back-and-forth questions needed before drafting. Primary keywords: spec-driven development SDD, feature specification generation, technical planning, task breakdown, assumption flagging, acceptance criteria Given When Then, requirements engineering, feature request refinement, specification writing agent, pl…