{
  "name": "mark_subtask_as_completed",
  "description": "Mark a subtask as completed",
  "inputSchema": {
    "type": "object",
    "properties": {
      "taskId": {
        "type": "string",
        "description": "The ID of the parent task"
      },
      "subtaskId": {
        "type": "string",
        "description": "The ID of the subtask"
      }
    },
    "required": ["taskId", "subtaskId"]
  }
}