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SKILL.md
npx skills add wshobson/agents --skill team-communication-protocols
Structured messaging protocols for agent team communication including message type selection, plan approval, shutdown procedures, and anti-patterns to avoid. Use this skill when establishing communication norms for a newly spawned team, when deciding whether to send a direct message or a broadcast, when a team-lead needs to review and approve an implementer's plan before work begins, when orchestrating a graceful team shutdown after all tasks are complete, or when debugging why teammates are not coordinating correctly at integration points.
npx skills add wshobson/agents --skill team-communication-protocols
Protocols for effective communication between agent teammates, including message type selection, plan approval workflows, shutdown procedures, and common anti-patterns to avoid.
message (Direct Message) — Default ChoiceSend to a single specific teammate:
Use for: Task updates, coordination, questions, integration notifications.
broadcast — Use SparinglySend to ALL teammates simultaneously:
Use ONLY for: Critical blockers affecting everyone, major changes to shared resources.
Why sparingly?: Each broadcast sends N separate messages (one per teammate), consuming API resources proportional to team size.
shutdown_request — Graceful TerminationRequest a teammate to shut down:
The teammate responds with shutdown_response (approve or reject with reason).
| Anti-Pattern | Problem | Better Approach |
|---|---|---|
| Broadcasting routine updates | Wastes resources, noise | Direct message to affected teammate |
| Sending JSON status messages | Not designed for structured data | Use TaskUpdate to update task status |
| Not communicating at integration points | Teammates build against stale interfaces | Message when your interface is ready |
| Micromanaging via messages | Overwhelms teammates, slows work | Check in at milestones, not every step |
| Using UUIDs instead of names | Hard to read, error-prone | Always use teammate names |
| Ignoring idle teammates | Wasted capacity | Assign new work or shut down |
When a teammate is spawned with plan_mode_required:
ExitPlanMode which sends a plan_approval_request to the leadplan_approval_response:Approve:
Reject with feedback:
type: "shutdown_request"shutdown_response:
approve: true — Teammate saves state and exitsapprove: false + reason — Teammate continues workingTeamDelete to remove team resourcesIf a teammate rejects shutdown:
Find team members by reading the config file:
Location: ~/.claude/teams/{team-name}/config.json
Structure:
Always use name for messaging and task assignment. Never use agentId, role names, or unsuffixed aliases directly. If a teammate was spawned as team-lead-2, send to team-lead-2, not team-lead.
A teammate is not responding to messages. Check the teammate's task status. If it is idle, it may have completed its task and is waiting to be assigned new work or shut down. If it is still active, it may be mid-execution and will process messages once the current operation finishes.
A teammate says it cannot see SendMessage.
Check the teammate agent's tools: frontmatter. Agent Teams communication tools such as SendMessage, TaskList, TaskGet, and TaskUpdate must be listed explicitly when an agent uses a restricted tool allowlist.
The lead is sending broadcasts for every status update.
This is a common anti-pattern. Broadcasts are expensive — each one sends N messages. Use direct messages (type: "message") for point-to-point updates. Reserve broadcasts for critical shared-resource changes like an updated interface contract.
A teammate rejected a shutdown request unexpectedly.
The teammate is still working. Check the rejection reason in the shutdown_response content field, wait for the work to finish, then retry. Never force-terminate a teammate that has unsaved work.
A plan_approval_request arrived but the request_id is missing.
The teammate called ExitPlanMode without the required request context. Have the teammate re-enter plan mode, complete exploration, and call ExitPlanMode again. The request_id is generated automatically by the plan mode system.
Two teammates are waiting on each other and neither is making progress. This is a deadlock: both are blocked waiting for the other to finish first. The lead should send a direct message to one teammate with a stub or partial result so it can unblock and proceed.
{
"type": "broadcast",
"content": "Critical: shared types file has been updated. Pull latest before continuing.",
"summary": "Shared types updated"
}{
"type": "shutdown_request",
"recipient": "reviewer-1",
"content": "Review complete, shutting down team."
}{
"type": "plan_approval_response",
"request_id": "abc-123",
"recipient": "implementer-1",
"approve": true
}{
"type": "plan_approval_response",
"request_id": "abc-123",
"recipient": "implementer-1",
"approve": false,
"content": "Please add error handling for the API calls"
}{
"members": [
{
"name": "security-reviewer",
"agentId": "uuid-here",
"agentType": "team-reviewer"
},
{
"name": "perf-reviewer",
"agentId": "uuid-here",
"agentType": "team-reviewer"
}
]
}