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Kandev WebSocket API Reference

This document provides a complete reference for all WebSocket API actions, their payloads, responses, and usage patterns.

Overview

Kandev uses a single WebSocket connection for all API operations and real-time streaming. This eliminates the need for separate REST endpoints and enables full-duplex communication.

Endpoint: ws://localhost:38429/ws

Message Envelope

All messages follow this JSON envelope format:

{
  "id": "uuid",
  "type": "request|response|notification|error",
  "action": "action.name",
  "payload": {},
  "timestamp": "2026-01-10T12:00:00Z"
}
Field Type Description
id string UUID for request/response correlation. Omit for notifications.
type string Message type: request, response, notification, or error
action string The action to perform or that was performed
payload object Action-specific data
timestamp string ISO 8601 timestamp (optional)

Error Response Format

{
  "id": "correlation-uuid",
  "type": "error",
  "action": "original.action",
  "payload": {
    "code": "ERROR_CODE",
    "message": "Human-readable message",
    "details": {}
  }
}

Error Codes:

  • BAD_REQUEST - Invalid message format
  • VALIDATION_ERROR - Missing or invalid fields
  • NOT_FOUND - Resource not found
  • INTERNAL_ERROR - Server error
  • UNKNOWN_ACTION - Action not recognized

System Flow

flowchart LR
    Client["Client (Browser)"] <-->|"WebSocket"| Server

    subgraph Server["Kandev Server"]
        Task["Task Service"]
        Agent["Agent Manager"]
        Orch["Orchestrator Service"]
        Agent --> Docker["Docker Containers"]
    end

Typical Workflow

  1. Connect to ws://localhost:38429/ws
  2. Create Board → board.create
  3. Create Column → column.create
  4. Create Task → task.create
  5. Subscribe to Task → task.subscribe (receive real-time updates)
  6. Start Execution → orchestrator.start (launches agent)
  7. Receive ACP Notifications ← acp.progress, acp.log, etc.
  8. Send Follow-up Prompts → orchestrator.prompt (multi-turn)
  9. Complete Task → orchestrator.complete
  10. Unsubscribe → task.unsubscribe

Health Check

health.check

Purpose: Verify the WebSocket connection and server status.

Flow Position: Can be called at any time to verify connectivity.

Request:

{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "type": "request",
  "action": "health.check",
  "payload": {}
}

Response:

{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "type": "response",
  "action": "health.check",
  "payload": {
    "status": "ok",
    "service": "kandev",
    "mode": "unified"
  }
}
Response Field Type Description
status string Server health status (ok)
service string Service name
mode string API mode (unified = WebSocket-only)

Workspace Actions

Workspaces are the top-level organizational unit that contain boards and repositories.

workspace.list

Purpose: List all workspaces.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "workspace.list",
  "payload": {}
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "workspace.list",
  "payload": {
    "workspaces": [
      {
        "id": "workspace-uuid",
        "name": "My Project",
        "description": "Main development workspace",
        "owner_id": "user-uuid",
        "created_at": "2026-01-10T12:00:00Z",
        "updated_at": "2026-01-10T12:00:00Z"
      }
    ]
  }
}

workspace.create

Purpose: Create a new workspace.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "workspace.create",
  "payload": {
    "name": "My Project",
    "description": "Main development workspace",
    "owner_id": "user-uuid"
  }
}
Payload Field Type Required Description
name string ✅ Workspace name (max 255 chars)
description string ❌ Workspace description
owner_id string ❌ Owner user ID

Response: Created workspace object

workspace.get

Purpose: Get a workspace by ID.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "workspace.get",
  "payload": {
    "id": "workspace-uuid"
  }
}

Response: Workspace object

workspace.update

Purpose: Update a workspace.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "workspace.update",
  "payload": {
    "id": "workspace-uuid",
    "name": "Updated Name",
    "description": "Updated description"
  }
}
Payload Field Type Required Description
id string ✅ Workspace ID
name string ❌ New name
description string ❌ New description

Response: Updated workspace object

workspace.delete

Purpose: Delete a workspace.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "workspace.delete",
  "payload": {
    "id": "workspace-uuid"
  }
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "workspace.delete",
  "payload": {
    "deleted": true
  }
}

Board Actions

Boards are containers within workspaces that organize columns and tasks.

board.create

Purpose: Create a new Kanban board.

Flow Position: First step - create a board before adding columns and tasks.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "board.create",
  "payload": {
    "name": "My Project",
    "description": "Project description"
  }
}
Payload Field Type Required Description
name string ✅ Board name
description string ❌ Optional description

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "board.create",
  "payload": {
    "id": "board-uuid",
    "name": "My Project",
    "description": "Project description",
    "created_at": "2026-01-10T12:00:00Z",
    "updated_at": "2026-01-10T12:00:00Z"
  }
}

board.list

Purpose: List all boards.

Flow Position: Use to display available boards to the user.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "board.list",
  "payload": {}
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "board.list",
  "payload": {
    "boards": [
      {
        "id": "board-uuid",
        "name": "My Project",
        "description": "...",
        "created_at": "2026-01-10T12:00:00Z",
        "updated_at": "2026-01-10T12:00:00Z"
      }
    ],
    "total": 1
  }
}

board.get

Purpose: Get a specific board by ID.

Flow Position: Use to load board details before displaying columns and tasks.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "board.get",
  "payload": {
    "id": "board-uuid"
  }
}
Payload Field Type Required Description
id string ✅ Board ID

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "board.get",
  "payload": {
    "id": "board-uuid",
    "name": "My Project",
    "description": "Project description",
    "created_at": "2026-01-10T12:00:00Z",
    "updated_at": "2026-01-10T12:00:00Z"
  }
}

board.update

Purpose: Update an existing board's properties.

Flow Position: Use when user edits board name or description.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "board.update",
  "payload": {
    "id": "board-uuid",
    "name": "Updated Name",
    "description": "Updated description"
  }
}
Payload Field Type Required Description
id string ✅ Board ID
name string ❌ New name (optional)
description string ❌ New description (optional)

Response: Same as board.get

board.delete

Purpose: Delete a board and all its columns and tasks.

Flow Position: Use with caution - this is destructive.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "board.delete",
  "payload": {
    "id": "board-uuid"
  }
}
Payload Field Type Required Description
id string ✅ Board ID

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "board.delete",
  "payload": {
    "success": true
  }
}

Column Actions

Columns organize tasks within a board and represent workflow states.

column.create

Purpose: Create a new column in a board.

Flow Position: After creating a board, create columns for workflow stages.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "column.create",
  "payload": {
    "board_id": "board-uuid",
    "name": "To Do",
    "position": 0,
    "state": "TODO"
  }
}
Payload Field Type Required Description
board_id string ✅ Parent board ID
name string ✅ Column name
position int ❌ Display order (0-indexed)
state string ❌ Task state: TODO, IN_PROGRESS, DONE

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "column.create",
  "payload": {
    "id": "column-uuid",
    "board_id": "board-uuid",
    "name": "To Do",
    "position": 0,
    "state": "TODO",
    "created_at": "2026-01-10T12:00:00Z"
  }
}

column.list

Purpose: List all columns in a board.

Flow Position: After loading a board, get its columns.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "column.list",
  "payload": {
    "board_id": "board-uuid"
  }
}
Payload Field Type Required Description
board_id string ✅ Board ID

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "column.list",
  "payload": {
    "columns": [
      {
        "id": "column-uuid",
        "board_id": "board-uuid",
        "name": "To Do",
        "position": 0,
        "state": "TODO",
        "created_at": "2026-01-10T12:00:00Z"
      }
    ],
    "total": 1
  }
}

column.get

Purpose: Get a specific column by ID.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "column.get",
  "payload": {
    "id": "column-uuid"
  }
}
Payload Field Type Required Description
id string ✅ Column ID

Response: Same structure as items in column.list

Repository Actions

Repositories represent Git repositories linked to a workspace.

repository.list

Purpose: List all repositories in a workspace.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "repository.list",
  "payload": {
    "workspace_id": "workspace-uuid"
  }
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "repository.list",
  "payload": {
    "repositories": [
      {
        "id": "repo-uuid",
        "workspace_id": "workspace-uuid",
        "name": "my-project",
        "source_type": "local",
        "local_path": "/home/user/projects/my-project",
        "provider": "",
        "default_branch": "main",
        "created_at": "2026-01-10T12:00:00Z",
        "updated_at": "2026-01-10T12:00:00Z"
      }
    ]
  }
}

repository.create

Purpose: Create a new repository link.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "repository.create",
  "payload": {
    "workspace_id": "workspace-uuid",
    "name": "my-project",
    "source_type": "local",
    "local_path": "/home/user/projects/my-project",
    "default_branch": "main",
    "setup_script": "npm install",
    "cleanup_script": "npm run clean"
  }
}
Payload Field Type Required Description
workspace_id string ✅ Workspace ID
name string ✅ Repository name
source_type string ❌ local or remote
local_path string ❌ Local filesystem path
provider string ❌ Git provider (github, gitlab, etc.)
provider_repo_id string ❌ Provider's repository ID
provider_owner string ❌ Repository owner on provider
provider_name string ❌ Repository name on provider
default_branch string ❌ Default branch name
setup_script string ❌ Script to run on setup
cleanup_script string ❌ Script to run on cleanup

Response: Created repository object

repository.get

Purpose: Get a repository by ID.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "repository.get",
  "payload": {
    "id": "repo-uuid"
  }
}

Response: Repository object

repository.update

Purpose: Update a repository.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "repository.update",
  "payload": {
    "id": "repo-uuid",
    "name": "updated-name",
    "default_branch": "develop"
  }
}

Response: Updated repository object

repository.delete

Purpose: Delete a repository link.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "repository.delete",
  "payload": {
    "id": "repo-uuid"
  }
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "repository.delete",
  "payload": {
    "deleted": true
  }
}

repository.script.list

Purpose: List scripts for a repository.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "repository.script.list",
  "payload": {
    "repository_id": "repo-uuid"
  }
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "repository.script.list",
  "payload": {
    "scripts": [
      {
        "id": "script-uuid",
        "repository_id": "repo-uuid",
        "name": "build",
        "command": "npm run build",
        "position": 0
      }
    ]
  }
}

repository.script.create

Purpose: Create a repository script.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "repository.script.create",
  "payload": {
    "repository_id": "repo-uuid",
    "name": "test",
    "command": "npm test",
    "position": 1
  }
}
Payload Field Type Required Description
repository_id string ✅ Repository ID
name string ✅ Script name
command string ✅ Command to execute
position int ❌ Order position

Response: Created script object

repository.script.get

Purpose: Get a script by ID.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "repository.script.get",
  "payload": {
    "id": "script-uuid"
  }
}

Response: Script object

repository.script.update

Purpose: Update a script.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "repository.script.update",
  "payload": {
    "id": "script-uuid",
    "name": "updated-name",
    "command": "npm run updated-command"
  }
}

Response: Updated script object

repository.script.delete

Purpose: Delete a script.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "repository.script.delete",
  "payload": {
    "id": "script-uuid"
  }
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "repository.script.delete",
  "payload": {
    "deleted": true
  }
}

Task Actions

Tasks are work items that can be executed by AI agents.

task.create

Purpose: Create a new task in a column.

Flow Position: Create tasks that agents will work on.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "task.create",
  "payload": {
    "board_id": "board-uuid",
    "column_id": "column-uuid",
    "title": "Implement feature X",
    "description": "Detailed requirements...",
    "priority": 1,
    "agent_type": "auggie",
    "repository_url": "https://github.com/org/repo",
    "branch": "main",
    "metadata": {
      "labels": ["feature", "priority-high"]
    }
  }
}
Payload Field Type Required Description
board_id string ✅ Board ID
column_id string ✅ Column ID
title string ✅ Task title
description string ❌ Detailed description
priority int ❌ Priority level (higher = more important)
agent_type string ❌ Agent to use: auggie, gemini
repository_url string ❌ Git repository URL
branch string ❌ Git branch
metadata object ❌ Custom key-value data

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "task.create",
  "payload": {
    "id": "task-uuid",
    "board_id": "board-uuid",
    "column_id": "column-uuid",
    "title": "Implement feature X",
    "description": "Detailed requirements...",
    "state": "TODO",
    "priority": 1,
    "agent_type": "auggie",
    "repository_url": "https://github.com/org/repo",
    "branch": "main",
    "position": 0,
    "created_at": "2026-01-10T12:00:00Z",
    "updated_at": "2026-01-10T12:00:00Z",
    "metadata": {}
  }
}
Response Field Type Description
id string Unique task ID
state string TODO, IN_PROGRESS, BLOCKED, COMPLETED, FAILED, CANCELLED
position int Position within column

task.list

Purpose: List all tasks in a board.

Flow Position: Load tasks to display on the Kanban board.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "task.list",
  "payload": {
    "board_id": "board-uuid"
  }
}
Payload Field Type Required Description
board_id string ✅ Board ID

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "task.list",
  "payload": {
    "tasks": [ /* array of task objects */ ],
    "total": 5
  }
}

task.get

Purpose: Get a specific task by ID.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "task.get",
  "payload": {
    "id": "task-uuid"
  }
}
Payload Field Type Required Description
id string ✅ Task ID

Response: Same structure as task.create response

task.update

Purpose: Update task properties (not state or position).

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "task.update",
  "payload": {
    "id": "task-uuid",
    "title": "Updated title",
    "description": "Updated description",
    "priority": 2,
    "metadata": { "key": "value" }
  }
}
Payload Field Type Required Description
id string ✅ Task ID
title string ❌ New title
description string ❌ New description
priority int ❌ New priority
metadata object ❌ Updated metadata

Response: Updated task object

task.delete

Purpose: Delete a task.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "task.delete",
  "payload": {
    "id": "task-uuid"
  }
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "task.delete",
  "payload": {
    "success": true
  }
}

task.move

Purpose: Move a task to a different column and/or position.

Flow Position: Use for drag-and-drop on Kanban board.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "task.move",
  "payload": {
    "id": "task-uuid",
    "column_id": "target-column-uuid",
    "position": 0
  }
}
Payload Field Type Required Description
id string ✅ Task ID
column_id string ✅ Target column ID
position int ❌ Position in column (0-indexed)

Response: Updated task object with new column_id and position

task.state

Purpose: Update a task's state directly.

Flow Position: Used by orchestrator to update task state during execution.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "task.state",
  "payload": {
    "id": "task-uuid",
    "state": "IN_PROGRESS"
  }
}
Payload Field Type Required Description
id string ✅ Task ID
state string ✅ New state: CREATED, SCHEDULING, TODO, IN_PROGRESS, REVIEW, BLOCKED, WAITING_FOR_INPUT, COMPLETED, FAILED, CANCELLED

Response: Updated task object

Task Subscription Actions

Subscriptions enable real-time streaming of agent output (ACP) to specific clients.

task.subscribe

Purpose: Subscribe to receive real-time notifications for a specific task.

Flow Position: Call before orchestrator.start to receive agent output.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "task.subscribe",
  "payload": {
    "task_id": "task-uuid"
  }
}
Payload Field Type Required Description
task_id string ✅ Task ID to subscribe to

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "task.subscribe",
  "payload": {
    "success": true,
    "task_id": "task-uuid"
  }
}

Effect: After subscribing, you will receive notifications for this task:

  • acp.progress - Progress updates
  • acp.log - Agent log messages
  • acp.result - Agent results
  • acp.error - Agent errors
  • task.created - Task created
  • task.updated - Task properties changed
  • task.deleted - Task deleted
  • task.state_changed - Task state changed

task.unsubscribe

Purpose: Stop receiving notifications for a task.

Flow Position: Call after task completes or when navigating away.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "task.unsubscribe",
  "payload": {
    "task_id": "task-uuid"
  }
}
Payload Field Type Required Description
task_id string ✅ Task ID to unsubscribe from

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "task.unsubscribe",
  "payload": {
    "success": true,
    "task_id": "task-uuid"
  }
}

Comment Actions

Comments enable conversation between users and agents on tasks.

comment.add

Purpose: Add a comment to a task. If an agent is running on the task, the comment is automatically forwarded as a prompt.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "comment.add",
  "payload": {
    "task_id": "task-uuid",
    "content": "Please also add unit tests for the new function",
    "author_id": "user-uuid"
  }
}
Payload Field Type Required Description
task_id string ✅ Task ID
content string ✅ Comment text
author_id string ❌ Author user ID

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "comment.add",
  "payload": {
    "id": "comment-uuid",
    "task_id": "task-uuid",
    "author_type": "user",
    "author_id": "user-uuid",
    "content": "Please also add unit tests for the new function",
    "requests_input": false,
    "created_at": "2026-01-10T12:00:00Z"
  }
}

comment.list

Purpose: List all comments for a task.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "comment.list",
  "payload": {
    "task_id": "task-uuid"
  }
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "comment.list",
  "payload": {
    "comments": [
      {
        "id": "comment-uuid-1",
        "task_id": "task-uuid",
        "author_type": "user",
        "author_id": "user-uuid",
        "content": "Please implement the login feature",
        "requests_input": false,
        "created_at": "2026-01-10T12:00:00Z"
      },
      {
        "id": "comment-uuid-2",
        "task_id": "task-uuid",
        "author_type": "agent",
        "author_id": "agent-instance-uuid",
        "content": "I've implemented the login feature. Should I also add password reset?",
        "requests_input": true,
        "created_at": "2026-01-10T12:05:00Z"
      }
    ]
  }
}
Response Field Type Description
author_type string user or agent
requests_input boolean True if agent is asking for user input

Agent Actions

Agents are Docker containers running AI coding assistants.

agent.list

Purpose: List all agent instances (running and completed).

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "agent.list",
  "payload": {}
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "agent.list",
  "payload": {
    "agents": [
      {
        "id": "agent-uuid",
        "task_id": "task-uuid",
        "agent_type": "auggie",
        "container_id": "docker-container-id",
        "status": "running",
        "progress": 45,
        "started_at": "2026-01-10T12:00:00Z",
        "finished_at": null,
        "exit_code": null,
        "error": null
      }
    ],
    "total": 1
  }
}
Response Field Type Description
status string starting, running, completed, failed, stopped, READY
progress int 0-100 percentage
exit_code int Container exit code (when completed)
error string Error message (if failed)

agent.launch

Purpose: Launch an agent container directly (low-level).

Flow Position: Typically use orchestrator.start instead, which handles this automatically.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "agent.launch",
  "payload": {
    "task_id": "task-uuid",
    "agent_type": "auggie",
    "workspace_path": "/path/to/workspace",
    "env": {
      "CUSTOM_VAR": "value"
    }
  }
}
Payload Field Type Required Description
task_id string ✅ Task ID this agent is for
agent_type string ✅ Agent type: auggie, gemini
workspace_path string ✅ Path to mount in container
env object ❌ Additional environment variables

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "agent.launch",
  "payload": {
    "success": true,
    "agent_id": "agent-uuid",
    "task_id": "task-uuid"
  }
}

agent.status

Purpose: Get detailed status of a specific agent.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "agent.status",
  "payload": {
    "agent_id": "agent-uuid"
  }
}
Payload Field Type Required Description
agent_id string ✅ Agent instance ID

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "agent.status",
  "payload": {
    "id": "agent-uuid",
    "task_id": "task-uuid",
    "agent_type": "auggie",
    "container_id": "docker-container-id",
    "status": "running",
    "progress": 67,
    "started_at": "2026-01-10T12:00:00Z",
    "finished_at": null,
    "exit_code": null,
    "error": null
  }
}

agent.logs

Purpose: Get agent container logs.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "agent.logs",
  "payload": {
    "agent_id": "agent-uuid"
  }
}
Payload Field Type Required Description
agent_id string ✅ Agent instance ID

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "agent.logs",
  "payload": {
    "agent_id": "agent-uuid",
    "logs": ["log line 1", "log line 2"],
    "message": "..."
  }
}

agent.stop

Purpose: Stop a running agent container.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "agent.stop",
  "payload": {
    "agent_id": "agent-uuid"
  }
}
Payload Field Type Required Description
agent_id string ✅ Agent instance ID

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "agent.stop",
  "payload": {
    "success": true
  }
}

agent.types

Purpose: List available agent types.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "agent.types",
  "payload": {}
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "agent.types",
  "payload": {
    "types": [
      {
        "id": "auggie",
        "name": "Auggie CLI Agent",
        "description": "Augment Code CLI-based coding agent",
        "image": "ghcr.io/kandev/auggie-agent:latest",
        "capabilities": ["code-generation", "refactoring", "testing"],
        "enabled": true
      },
      {
        "id": "gemini",
        "name": "Gemini Agent",
        "description": "Google Gemini-based coding agent",
        "image": "ghcr.io/kandev/gemini-agent:latest",
        "capabilities": ["code-generation", "analysis"],
        "enabled": true
      }
    ],
    "total": 2
  }
}

Orchestrator Actions

The orchestrator coordinates task execution, managing the workflow between tasks and agents.

orchestrator.status

Purpose: Get overall orchestrator status.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "orchestrator.status",
  "payload": {}
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "orchestrator.status",
  "payload": {
    "running": true,
    "active_tasks": 2,
    "queued_tasks": 5,
    "max_concurrent": 3
  }
}

orchestrator.queue

Purpose: Get the current task queue.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "orchestrator.queue",
  "payload": {}
}

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "orchestrator.queue",
  "payload": {
    "tasks": [
      {
        "task_id": "task-uuid",
        "priority": 1,
        "queued_at": "2026-01-10T12:00:00Z"
      }
    ],
    "total": 1
  }
}

orchestrator.trigger

Purpose: Trigger a task for execution (adds to queue).

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "orchestrator.trigger",
  "payload": {
    "task_id": "task-uuid"
  }
}
Payload Field Type Required Description
task_id string ✅ Task ID to trigger

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "orchestrator.trigger",
  "payload": {
    "success": true,
    "message": "Task triggered",
    "task_id": "task-uuid"
  }
}

orchestrator.start

Purpose: Start executing a task immediately with an agent.

Flow Position: Main action to begin agent work on a task.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "orchestrator.start",
  "payload": {
    "task_id": "task-uuid",
    "agent_type": "auggie",
    "priority": 1
  }
}
Payload Field Type Required Description
task_id string ✅ Task ID to start
agent_type string ❌ Override default agent type
priority int ❌ Execution priority

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "orchestrator.start",
  "payload": {
    "success": true,
    "task_id": "task-uuid",
    "agent_instance_id": "agent-uuid",
    "status": "running"
  }
}

Effect:

  1. Task state changes to IN_PROGRESS
  2. Agent container is launched
  3. ACP notifications begin streaming (if subscribed)

orchestrator.stop

Purpose: Stop a running task execution.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "orchestrator.stop",
  "payload": {
    "task_id": "task-uuid",
    "reason": "User cancelled",
    "force": false
  }
}
Payload Field Type Required Description
task_id string ✅ Task ID to stop
reason string ❌ Reason for stopping
force bool ❌ Force kill (default: false)

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "orchestrator.stop",
  "payload": {
    "success": true
  }
}

orchestrator.prompt

Purpose: Send a follow-up prompt to a running agent (multi-turn conversation).

Flow Position: Use during agent execution for clarifications or additional instructions.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "orchestrator.prompt",
  "payload": {
    "task_id": "task-uuid",
    "prompt": "Also add unit tests for the new function"
  }
}
Payload Field Type Required Description
task_id string ✅ Task ID (must have running agent)
prompt string ✅ Follow-up prompt text

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "orchestrator.prompt",
  "payload": {
    "success": true
  }
}

Effect: The prompt is sent to the agent via agentctl HTTP sidecar.

orchestrator.complete

Purpose: Mark a task as completed.

Flow Position: Called when agent finishes successfully or user approves the work.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "orchestrator.complete",
  "payload": {
    "task_id": "task-uuid"
  }
}
Payload Field Type Required Description
task_id string ✅ Task ID to complete

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "orchestrator.complete",
  "payload": {
    "success": true,
    "message": "task completed"
  }
}

Permission Actions

Agents may request user permission for certain operations. The permission flow uses notifications and responses.

permission.requested (Notification)

Purpose: Server notifies client that an agent is requesting permission.

When: Agent calls a tool that requires user approval.

{
  "type": "notification",
  "action": "permission.requested",
  "payload": {
    "task_id": "task-uuid",
    "pending_id": "pending-request-uuid",
    "instance_id": "agent-instance-uuid",
    "session_id": "acp-session-uuid",
    "tool_call_id": "tool-call-uuid",
    "title": "Execute shell command",
    "description": "Agent wants to run: npm install express",
    "options": [
      {
        "option_id": "allow-once",
        "name": "Allow Once",
        "kind": "allow_once"
      },
      {
        "option_id": "allow-always",
        "name": "Always Allow",
        "kind": "allow_always"
      },
      {
        "option_id": "reject-once",
        "name": "Deny",
        "kind": "reject_once"
      }
    ],
    "created_at": "2026-01-10T12:00:00Z"
  },
  "timestamp": "2026-01-10T12:00:00Z"
}
Payload Field Type Description
task_id string Task the agent is working on
pending_id string Unique ID for this pending request
instance_id string Agent instance ID
session_id string ACP session ID
tool_call_id string Tool call requesting permission
title string Human-readable title
description string Additional context
options array Available permission choices

Option Kinds:

  • allow_once - Allow this specific action
  • allow_always - Allow this type of action permanently
  • reject_once - Deny this specific action
  • reject_always - Deny this type of action permanently

permission.respond

Purpose: User responds to a permission request.

Request:

{
  "id": "uuid",
  "type": "request",
  "action": "permission.respond",
  "payload": {
    "task_id": "task-uuid",
    "pending_id": "pending-request-uuid",
    "option_id": "allow-once"
  }
}
Payload Field Type Required Description
task_id string ✅ Task ID
pending_id string ✅ Pending request ID from notification
option_id string ❌ Selected option ID (required if not cancelled)
cancelled boolean ❌ True to cancel the request

Response:

{
  "id": "uuid",
  "type": "response",
  "action": "permission.respond",
  "payload": {
    "success": true
  }
}

Error Response (no pending request):

{
  "id": "uuid",
  "type": "error",
  "action": "permission.respond",
  "payload": {
    "code": "NOT_FOUND",
    "message": "No pending permission request for this task"
  }
}

Server Notifications (ACP Streaming)

These are push notifications from the server to subscribed clients. They have type: "notification" and no id field.

acp.progress

Purpose: Agent progress update.

When: Periodically during agent execution.

{
  "type": "notification",
  "action": "acp.progress",
  "payload": {
    "task_id": "task-uuid",
    "agent_id": "agent-uuid",
    "progress": 45,
    "message": "Analyzing code structure...",
    "current_file": "src/main.go",
    "files_processed": 12,
    "total_files": 27
  },
  "timestamp": "2026-01-10T12:05:00Z"
}

acp.log

Purpose: Agent log message (debug, info, warn, error).

When: As agent produces output.

{
  "type": "notification",
  "action": "acp.log",
  "payload": {
    "task_id": "task-uuid",
    "agent_id": "agent-uuid",
    "level": "info",
    "message": "Starting code generation for feature X",
    "metadata": {
      "component": "code-generator"
    }
  },
  "timestamp": "2026-01-10T12:05:30Z"
}
Payload Field Type Description
level string debug, info, warn, error

acp.result

Purpose: Agent produced a result artifact.

When: Agent completes a unit of work.

{
  "type": "notification",
  "action": "acp.result",
  "payload": {
    "task_id": "task-uuid",
    "agent_id": "agent-uuid",
    "status": "success",
    "summary": "Created 3 new files",
    "artifacts": [
      { "type": "file", "path": "src/feature.go" },
      { "type": "file", "path": "src/feature_test.go" }
    ]
  },
  "timestamp": "2026-01-10T12:10:00Z"
}

acp.error

Purpose: Agent encountered an error.

When: Error during agent execution.

{
  "type": "notification",
  "action": "acp.error",
  "payload": {
    "task_id": "task-uuid",
    "agent_id": "agent-uuid",
    "code": "COMPILE_ERROR",
    "message": "Failed to compile: syntax error",
    "details": {
      "file": "src/main.go",
      "line": 42
    }
  },
  "timestamp": "2026-01-10T12:06:00Z"
}

acp.status

Purpose: Agent status changed.

When: Agent starts, completes, or fails.

{
  "type": "notification",
  "action": "acp.status",
  "payload": {
    "task_id": "task-uuid",
    "agent_id": "agent-uuid",
    "status": "completed",
    "previous_status": "running",
    "exit_code": 0
  },
  "timestamp": "2026-01-10T12:15:00Z"
}

acp.heartbeat

Purpose: Keep-alive signal from agent.

When: Periodically while agent is running (prevents timeout).

{
  "type": "notification",
  "action": "acp.heartbeat",
  "payload": {
    "task_id": "task-uuid",
    "agent_id": "agent-uuid"
  },
  "timestamp": "2026-01-10T12:05:00Z"
}

comment.added

Purpose: New comment added to a task.

When: User or agent adds a comment.

{
  "type": "notification",
  "action": "comment.added",
  "payload": {
    "task_id": "task-uuid",
    "comment_id": "comment-uuid",
    "author_type": "agent",
    "author_id": "agent-instance-uuid",
    "content": "I've completed the implementation. Would you like me to add tests?",
    "requests_input": true,
    "created_at": "2026-01-10T12:05:00Z"
  },
  "timestamp": "2026-01-10T12:05:00Z"
}
Payload Field Type Description
author_type string user or agent
requests_input boolean True if agent is asking for user input

task.updated

Purpose: Task properties changed.

When: Task state, title, or other properties change.

{
  "type": "notification",
  "action": "task.updated",
  "payload": {
    "task_id": "task-uuid",
    "board_id": "board-uuid",
    "column_id": "column-uuid",
    "title": "Implement user authentication",
    "description": "Add JWT validation and refresh tokens",
    "state": "IN_PROGRESS",
    "priority": 2,
    "position": 1,
    "created_at": "2026-01-10T12:00:00Z",
    "updated_at": "2026-01-10T12:05:00Z"
  },
  "timestamp": "2026-01-10T12:00:05Z"
}

task.created

Purpose: Task created.

{
  "type": "notification",
  "action": "task.created",
  "payload": {
    "task_id": "task-uuid",
    "board_id": "board-uuid",
    "column_id": "column-uuid",
    "title": "Implement user authentication",
    "description": "Add JWT validation and refresh tokens",
    "state": "CREATED",
    "priority": 2,
    "position": 0,
    "created_at": "2026-01-10T12:00:00Z",
    "updated_at": "2026-01-10T12:00:00Z"
  },
  "timestamp": "2026-01-10T12:00:00Z"
}

task.deleted

Purpose: Task deleted.

{
  "type": "notification",
  "action": "task.deleted",
  "payload": {
    "task_id": "task-uuid",
    "board_id": "board-uuid",
    "column_id": "column-uuid",
    "title": "Implement user authentication"
  },
  "timestamp": "2026-01-10T12:30:00Z"
}

task.state_changed

Purpose: Task state changed.

{
  "type": "notification",
  "action": "task.state_changed",
  "payload": {
    "task_id": "task-uuid",
    "board_id": "board-uuid",
    "column_id": "column-uuid",
    "title": "Implement user authentication",
    "state": "IN_PROGRESS",
    "old_state": "TODO",
    "new_state": "IN_PROGRESS",
    "updated_at": "2026-01-10T12:10:00Z"
  },
  "timestamp": "2026-01-10T12:10:00Z"
}

workspace.created / workspace.updated / workspace.deleted

Purpose: Workspace lifecycle notifications.

{
  "type": "notification",
  "action": "workspace.updated",
  "payload": {
    "id": "workspace-uuid",
    "name": "Kandev",
    "description": "Primary workspace",
    "owner_id": "user-uuid",
    "created_at": "2026-01-10T12:00:00Z",
    "updated_at": "2026-01-10T12:20:00Z"
  },
  "timestamp": "2026-01-10T12:20:00Z"
}

board.created / board.updated / board.deleted

Purpose: Board lifecycle notifications.

{
  "type": "notification",
  "action": "board.updated",
  "payload": {
    "id": "board-uuid",
    "workspace_id": "workspace-uuid",
    "name": "Dev",
    "description": "Default board",
    "created_at": "2026-01-10T12:00:00Z",
    "updated_at": "2026-01-10T12:25:00Z"
  },
  "timestamp": "2026-01-10T12:25:00Z"
}

column.created / column.updated / column.deleted

Purpose: Column lifecycle notifications.

{
  "type": "notification",
  "action": "column.updated",
  "payload": {
    "id": "column-uuid",
    "board_id": "board-uuid",
    "name": "In Progress",
    "position": 1,
    "state": "IN_PROGRESS",
    "color": "bg-blue-500",
    "created_at": "2026-01-10T12:00:00Z",
    "updated_at": "2026-01-10T12:30:00Z"
  },
  "timestamp": "2026-01-10T12:30:00Z"
}

repository.created / repository.updated / repository.deleted

Purpose: Repository lifecycle notifications.

{
  "type": "notification",
  "action": "repository.updated",
  "payload": {
    "id": "repo-uuid",
    "workspace_id": "workspace-uuid",
    "name": "kandev",
    "source_type": "local",
    "local_path": "/Users/cfl/Projects/kandev",
    "provider": "",
    "default_branch": "main",
    "updated_at": "2026-01-10T12:40:00Z"
  },
  "timestamp": "2026-01-10T12:40:00Z"
}

repository.script.created / repository.script.updated / repository.script.deleted

Purpose: Repository script lifecycle notifications.

{
  "type": "notification",
  "action": "repository.script.updated",
  "payload": {
    "id": "script-uuid",
    "repository_id": "repo-uuid",
    "name": "Setup",
    "command": "npm install",
    "position": 0,
    "updated_at": "2026-01-10T12:45:00Z"
  },
  "timestamp": "2026-01-10T12:45:00Z"
}

agent.updated

Purpose: Agent status changed.

When: Agent starts, stops, or changes state.

{
  "type": "notification",
  "action": "agent.updated",
  "payload": {
    "id": "agent-uuid",
    "task_id": "task-uuid",
    "status": "running",
    "progress": 0
  },
  "timestamp": "2026-01-10T12:00:03Z"
}

Complete Usage Example

const ws = new WebSocket('ws://localhost:38429/ws');
const pending = new Map();

// Handle incoming messages
ws.onmessage = (event) => {
  const msg = JSON.parse(event.data);

  if (msg.type === 'response' || msg.type === 'error') {
    // Resolve pending request
    const resolve = pending.get(msg.id);
    if (resolve) {
      pending.delete(msg.id);
      resolve(msg);
    }
  } else if (msg.type === 'notification') {
    // Handle real-time updates
    console.log(`[${msg.action}]`, msg.payload);
  }
};

// Helper to send requests
function request(action, payload) {
  return new Promise((resolve) => {
    const id = crypto.randomUUID();
    pending.set(id, resolve);
    ws.send(JSON.stringify({ id, type: 'request', action, payload }));
  });
}

// Full workflow example
async function runTask() {
  // 1. Create board
  const board = await request('board.create', { name: 'My Project' });

  // 2. Create column
  const column = await request('column.create', {
    board_id: board.payload.id,
    name: 'To Do',
    state: 'TODO'
  });

  // 3. Create task
  const task = await request('task.create', {
    board_id: board.payload.id,
    column_id: column.payload.id,
    title: 'Implement user authentication',
    agent_type: 'auggie'
  });

  // 4. Subscribe to updates
  await request('task.subscribe', { task_id: task.payload.id });

  // 5. Start execution
  await request('orchestrator.start', { task_id: task.payload.id });

  // 6. ACP notifications will now stream automatically...

  // 7. Send follow-up prompt (optional)
  await request('orchestrator.prompt', {
    task_id: task.payload.id,
    prompt: 'Also add JWT token validation'
  });

  // 8. When done, complete the task
  await request('orchestrator.complete', { task_id: task.payload.id });

  // 9. Unsubscribe
  await request('task.unsubscribe', { task_id: task.payload.id });
}

Quick Reference

Request Actions

Action Purpose
health.check Server health status
Workspace
workspace.list List all workspaces
workspace.create Create workspace
workspace.get Get workspace by ID
workspace.update Update workspace
workspace.delete Delete workspace
Board
board.create Create board
board.list List all boards
board.get Get board by ID
board.update Update board
board.delete Delete board
Column
column.create Create column
column.list List columns in board
column.get Get column by ID
column.update Update column
column.delete Delete column
Repository
repository.list List repositories in workspace
repository.create Create repository link
repository.get Get repository by ID
repository.update Update repository
repository.delete Delete repository
repository.script.list List repository scripts
repository.script.create Create script
repository.script.get Get script by ID
repository.script.update Update script
repository.script.delete Delete script
Task
task.create Create task
task.list List tasks in board
task.get Get task by ID
task.update Update task properties
task.delete Delete task
task.move Move task to column/position
task.state Change task state
task.subscribe Subscribe to task notifications
task.unsubscribe Unsubscribe from task
Comment
comment.add Add comment to task
comment.list List comments for task
Agent
agent.list List agent instances
agent.launch Launch agent (low-level)
agent.status Get agent status
agent.logs Get agent logs
agent.stop Stop agent
agent.types List available agent types
Orchestrator
orchestrator.status Get orchestrator status
orchestrator.queue Get task queue
orchestrator.trigger Queue task for execution
orchestrator.start Start task execution
orchestrator.stop Stop task execution
orchestrator.prompt Send follow-up prompt
orchestrator.complete Complete task
Permission
permission.respond Respond to permission request

Notification Actions (Server → Client)

Action Purpose
acp.progress Agent progress update
acp.log Agent log message
acp.result Agent result artifact
acp.error Agent error
acp.status Agent status change
acp.heartbeat Keep-alive heartbeat
permission.requested Agent requesting permission
comment.added New comment on task
task.updated Task was updated
task.created Task was created
task.deleted Task was deleted
workspace.created Workspace was created
workspace.updated Workspace was updated
workspace.deleted Workspace was deleted
board.created Board was created
board.updated Board was updated
board.deleted Board was deleted
column.created Column was created
column.updated Column was updated
column.deleted Column was deleted
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