Use when starting any conversation - establishes how to find and use skills, requiring skill tool invocation before ANY response including clarifying questions.
Use when exploring or modifying a codebase and you need a cheap structural map of files, directories, imports, exports, or direct members before reading full source.
Guide for writing ast-grep rules to perform structural code search and analysis. Use when searching codebases using AST patterns, finding specific language constructs, or executing complex structural code queries.
You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.
Review changes since a fixed ref along two axes (Standards & Spec) using parallel sub-agents. Use when reviewing branches, PRs, or diffs.
Use when facing 2+ independent tasks that can be worked on without shared state or sequential dependencies
Use when executing implementation plans with independent tasks in the current session.
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes