Spec-Driven Development for your AI Code: ten skills and three sub-agents that run IDEA → PLAN → REQUIREMENTS → DESIGN → TASKS → EXEC → REVIEW with human approval gates and a .status file as the single source of truth.
Skills 10 in the Claude listing
exec Explicit command-style skill for implementing approved SDD tasks from tasks.md with tight scope, tests, and verification evidence. idea Conversational SDD skill for exploring raw product or feature ideas before planning. init Explicit command-style skill for initializing or adopting SDD in a project by creating or preparing .ai/, .ai/steering/, and .ai/sdd/. plan Cognitive SDD skill for creating or updating optional PLAN.md from captured ideas or project goals. prd Core cognitive SDD skill for creating or updating requirements.md from an approved idea, plan, or feature request. review Cognitive SDD skill for reviewing an implementation against requirements.md, design.md, and tasks.md, producing review.md with coverage, findings, verification evidence, and merge readiness. spec Core cognitive SDD skill for creating design.md technical specifications from approved requirements. status Explicit command-style skill for inspecting .ai/sdd state and recommending the next safe action. steering Creates or updates reusable project steering documents in .ai/steering for product context, tech stack, conventions, and domain-specific guidance. tasks Core cognitive SDD skill for decomposing an approved design.md into practical tasks.md.