Team Brainstorm

Orchestrate multi-agent brainstorming: generate ideas → challenge assumptions → synthesize → evaluate. Supports Quick, Deep, and Full pipelines with Generator-Critic loop.

Architecture

Skill(skill="team-brainstorm", args="topic description") | SKILL.md (this file) = Router | +--------------+--------------+ | | no --role flag --role <name> | | Coordinator Worker roles/coordinator/role.md roles/<name>/role.md | +-- analyze → dispatch → spawn workers → STOP | +-------+-------+-------+ v v v v [ideator][challenger][synthesizer][evaluator]

Role Registry

Role Path Prefix Inner Loop

coordinator roles/coordinator/role.md — —

ideator roles/ideator/role.md IDEA-* false

challenger roles/challenger/role.md CHALLENGE-* false

synthesizer roles/synthesizer/role.md SYNTH-* false

evaluator roles/evaluator/role.md EVAL-* false

Role Router

Parse $ARGUMENTS :

• Has --role <name> → Read roles/<name>/role.md , execute Phase 2-4

• No --role → Read roles/coordinator/role.md , execute entry router

Shared Constants

• Session prefix: BRS

• Session path: .workflow/.team/BRS-<slug>-<date>/

• CLI tools: ccw cli --mode analysis (read-only), ccw cli --mode write (modifications)

• Message bus: mcp__ccw-tools__team_msg(session_id=<session-id>, ...)

Worker Spawn Template

Coordinator spawns workers using this template:

Agent({ subagent_type: "team-worker", description: "Spawn <role> worker", team_name: "brainstorm", name: "<role>", run_in_background: true, prompt: `## Role Assignment role: <role> role_spec: ~ or <project>/.claude/skills/team-brainstorm/roles/<role>/role.md session: <session-folder> session_id: <session-id> team_name: brainstorm requirement: <topic-description> inner_loop: false

Read role_spec file to load Phase 2-4 domain instructions. Execute built-in Phase 1 (task discovery) -> role Phase 2-4 -> built-in Phase 5 (report).` })

Parallel ideator spawn (Full pipeline with N angles):

When Full pipeline has N parallel IDEA tasks, spawn N distinct team-worker agents named ideator-1 , ideator-2 , etc.

Agent({ subagent_type: "team-worker", name: "ideator-<N>", team_name: "brainstorm", run_in_background: true, prompt: `## Role Assignment role: ideator role_spec: ~ or <project>/.claude/skills/team-brainstorm/roles/ideator/role.md session: <session-folder> session_id: <session-id> team_name: brainstorm requirement: <topic-description> agent_name: ideator-<N> inner_loop: false

Read role_spec file to load Phase 2-4 domain instructions. Execute built-in Phase 1 (task discovery, owner=ideator-<N>) -> role Phase 2-4 -> built-in Phase 5 (report).` })

User Commands

Command Action

check / status

View execution status graph, no advancement

resume / continue

Check worker states, advance next step

Session Directory

.workflow/.team/BRS-<slug>-<date>/ ├── session.json # Session metadata + pipeline + gc_round ├── task-analysis.json # Coordinator analyze output ├── .msg/ │ ├── messages.jsonl # Message bus log │ └── meta.json # Session state + cross-role state ├── wisdom/ # Cross-task knowledge │ ├── learnings.md │ ├── decisions.md │ ├── conventions.md │ └── issues.md ├── ideas/ # Ideator output │ ├── idea-001.md │ └── idea-002.md ├── critiques/ # Challenger output │ ├── critique-001.md │ └── critique-002.md ├── synthesis/ # Synthesizer output │ └── synthesis-001.md └── evaluation/ # Evaluator output └── evaluation-001.md

Specs Reference

• specs/pipelines.md — Pipeline definitions and task registry

Error Handling

Scenario Resolution

Unknown command Error with available command list

Role not found Error with role registry

CLI tool fails Worker fallback to direct implementation

Fast-advance conflict Coordinator reconciles on next callback

Completion action fails Default to Keep Active

Generator-Critic loop exceeds 2 rounds Force convergence to synthesizer

No ideas generated Coordinator prompts with seed questions