using-a-teamlisted

# Using A Team This skill is injected at every session start. It defines mandatory skill and agent usage. <HARD-GATE> IF A SKILL OR AGENT IN THIS DOCUMENT APPLIES TO YOUR CURRENT TASK, YOU DO NOT HAVE A CHOICE. YOU MUST USE IT. Skipping a mandatory skill to save time is not allowed. </HARD-GATE> ## Before ANY Code Is Written | Situation | Required Skill/Agent | |-----------|---------------------| | New feature, component, or capability | **brainstorming** skill first | | Have a spec, need an implementation plan | **writing-plans** skill | | Have a plan, executing it | **subagent-driven-development** or **executing-plans** skill | | Starting development work | **using-git-worktrees** skill (create isolation first) | ## During Development | Situation | Required Skill/Agent | |-----------|---------------------| | Writing any new function or feature | **test-driven-development** skill (RED before GREEN) | | Any bug, test failure, unexpected behavior | **debugger** agent (systematic debugging — Phase 1 first) | | Multiple independent problems | **dispatching-parallel-agents** skill | | Build or type errors | **build-error-resolver** agent (minimal diffs only) | ## Before Claiming Completion | Claim | Required Skill | |-------|---------------| | "The tests pass" | **verification-before-completion** (run tests, read output) | | "The build succeeds" | **verification-before-completion** (run build, read output) | | "The bug is fixed" | **verification-before-completion** (repro