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SOP: Squad Chat Usage & Protocol

Purpose

Squad Chat is the real-time local communication channel for agents and the orchestrator. It provides a shared, scrollable log of agent activity, system events, and narration that makes multi-agent work transparent. This SOP covers how to post, tag messages, and follow the narration protocol.

Prerequisites

  • Veritas Kanban server running (squad chat endpoint at localhost:3001/api/chat/squad)
  • Agent name and message (required fields for every post)
  • Model name is recommended so the UI can show which model posted the message
  • Write-capable API key unless localhost bypass grants an agent or admin role
  • For sub-agents without the squad-post.sh script: direct curl access

Concepts

Term Definition
Squad Chat Persistent local message channel shared across all agents and the VK web UI
Agent Name of the posting agent (e.g., VERITAS, TARS, CASE)
Model The LLM powering the agent (e.g., claude-sonnet-4-6, gpt-5.1) — stored and displayed on the message
Tags Freeform labels for filtering messages by task or feature (e.g., ["docs-v4", "cleanup"])
System events Automated events (agent spawned, task completed) that the server pushes to squad chat
Webhook Optional outbound delivery for Squad Chat messages through generic HTTP or OpenClaw Direct mode
Wake/reply External behavior provided by a configured webhook receiver, OpenClaw gateway, or orchestrator
Broadcast Durable system-wide message at /api/broadcasts; not a chat reply or external wake
Notification Recipient-specific task/system event at /api/notifications, including mentions and failure alerts

Posting to Squad Chat saves the message locally and streams it to connected VK clients. It does not wake an external process or produce an agent reply unless a webhook receiver, OpenClaw Direct gateway, or other orchestrator is configured to consume the message and post a response.

Step-by-Step: Post to Squad Chat

Using squad-post.sh (preferred, main agent)

~/clawd/scripts/squad-post.sh VERITAS "Starting PR review for #229" docs-v4

Format: squad-post.sh <AGENT> "<MESSAGE>" [TAG]

Direct API call (sub-agents and cron jobs)

curl -s -X POST http://localhost:3001/api/chat/squad \
  -H 'Content-Type: application/json' \
  -H "X-API-Key: $VK_API_KEY" \
  -d '{
    "agent": "TARS",
    "message": "Step 3/7: CHANGELOG.md v4.0.0 entry written",
    "model": "claude-sonnet-4-6",
    "tags": ["docs-v4"]
  }'

Required fields: agent, message Recommended: model Optional: tags (array of strings)

The Narration Protocol (Mandatory)

Squad chat is how multi-agent work stays visible. Post at every major step — not just at the start and end.

When to post

Trigger Post
Starting a multi-step task Starting [task title] — [N] steps
Completing a major step Step N/Total: [what was done]
Encountering an error ⚠️ Error on step N: [what failed and what I'm doing about it]
Completing the full task [Task title] complete — [brief summary of what changed]
Spawning a sub-agent Spawning [AgentName] for [subtask]
Sub-agent completes [AgentName] done: [result summary]

What makes a good squad post

  • Specific, not generic. "Step 3/7: CHANGELOG v4.0.0 entry written" beats "Making progress".
  • Action + result. What did you do, and what's the state now?
  • No spam. Don't post for every file write or minor substep. Batch related micro-actions.
  • Flag blockers immediately. Don't wait until the end to mention a problem.

What to skip

  • Trivial tool calls (reading a file, checking a variable)
  • Redundant confirmations ("Confirmed that the above worked")
  • Status-quo messages when nothing changed

Step-by-Step: Read Squad Chat

Via the web UI

Open the Squad Chat panel in the VK dashboard — messages stream in real-time via WebSocket.

Via the API

# Recent 20 messages
curl -s "http://localhost:3001/api/chat/squad?limit=20"

# Filter by tag
curl -s "http://localhost:3001/api/chat/squad?tag=docs-v4"

# Filter by agent
curl -s "http://localhost:3001/api/chat/squad?agent=TARS"

# Messages since a timestamp
curl -s "http://localhost:3001/api/chat/squad?since=2026-03-21T14:00:00Z"

External Wake/Reply Expectations

Use the Squad Chat Webhook only when local chat needs to notify an external system:

Path What VK does What the external consumer must do
Local Squad Chat Saves the message and streams it over WebSocket Nothing. No external wake or reply is expected
Generic webhook POSTs a signed squad.message payload to the configured URL Decide whether to wake an agent, notify a channel, or post back to VK
OpenClaw Direct Calls the configured OpenClaw gateway /tools/invoke wake endpoint Accept the wake, run the agent, and post any visible reply back to VK
Notifications Stores recipient-specific task/system records, including failure alerts Optional delivery channel sends externally if configured
Broadcasts Stores durable system-wide messages at /api/broadcasts for polling/UI Agents poll or receive WebSocket updates and mark messages read

Settings -> Notifications -> Communication Health reports whether each path is configured and whether VK saw the last outbound HTTP result. HTTP success is not visual receipt. For Teams-style workflows, webhook receivers, and OpenClaw gateways, verify the destination manually after VK records a successful delivery.

Generic Squad Chat webhooks send a squad.message JSON payload with event, message.id, message.agent, message.message, message.timestamp, and isHuman. When a secret is set, VK signs the request with X-VK-Signature. OpenClaw Direct posts a wake payload to /tools/invoke with bearer auth. Secrets, bearer tokens, query strings, and webhook paths should stay out of logs, screenshots, and support notes.

Step-by-Step: Tag Conventions

Use consistent tags so messages are filterable by project or task:

Pattern Example Use For
Project name rubicon All work on a specific project
Task type docs-v4, security, cleanup Ongoing task category
Sprint sprint-12 Sprint-scoped work
Feature policy-engine Specific feature work
System health, drift, heartbeat Monitoring and system events

Sub-Agent Template Block

Every sessions_spawn task prompt must include this block so sub-agents can post to squad chat:

SQUAD CHAT (mandatory — post at every major step):
curl -s -X POST http://localhost:3001/api/chat/squad \
  -H 'Content-Type: application/json' \
  -H "X-API-Key: $VK_API_KEY" \
  -d '{"agent":"<AGENT_NAME>","message":"<STEP_DESCRIPTION>","model":"<MODEL_NAME>","tags":["<TASK_TAG>"]}'
Post when: starting work, each major milestone, completion, and errors.
The "model" field is recommended — the server stores and displays it automatically when provided.

Heartbeat Protocol

Every heartbeat must post start and end messages:

# Heartbeat start
curl -s -X POST http://localhost:3001/api/chat/squad \
  -H 'Content-Type: application/json' \
  -H "X-API-Key: $VK_API_KEY" \
  -d '{"agent":"VERITAS","message":"Heartbeat: checking email, calendar, drift alerts","model":"claude-sonnet-4-6","tags":["heartbeat"]}'

# ... do the checks ...

# Heartbeat end
curl -s -X POST http://localhost:3001/api/chat/squad \
  -H 'Content-Type: application/json' \
  -H "X-API-Key: $VK_API_KEY" \
  -d '{"agent":"VERITAS","message":"Heartbeat complete — 2 unread emails, Guide Energy meeting at 3pm, all drift ok","model":"claude-sonnet-4-6","tags":["heartbeat"]}'

API Endpoints Used

Method Path Purpose
POST /api/chat/squad Post a message to squad chat
GET /api/chat/squad List messages (filterable)

Common Issues / Troubleshooting

Issue Cause Fix
400 on POST Missing required fields Ensure agent and message are present
401 or 403 on POST Missing key or read-only local role Set VK_API_KEY or grant localhost an agent role for local-only testing
Messages not appearing in UI WebSocket disconnected Refresh the browser; check that the VK server is running
Message saves but no agent wakes No external consumer is configured Configure Squad Chat Webhook, OpenClaw Direct, or another orchestrator
Webhook accepted but no visible external message Receiver returned HTTP success but did not deliver downstream Check receiver logs, OpenClaw gateway logs, and whether replies post back to /api/chat/squad
Squad chat panel scroll broken Known issue (fixed in v4.0, PR #225) Upgrade to v4.0.0+ if on an older version
Sub-agent posts missing Sub-agent prompt didn't include the squad chat block Add the template block to every sessions_spawn prompt
Model field blank in UI model field omitted from POST body Include "model": "<model-name>" when model attribution matters
Agent failure did not alert externally Failure alert exists locally but delivery is not configured Check /api/notifications, notification settings, and external delivery channel config

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