{
  "name": "mark_task_as_completed",
  "description": "Mark a task as completed",
  "inputSchema": {
    "type": "object",
    "properties": {
      "taskId": {
        "type": "string",
        "description": "The ID of the task to complete"
      },
      "finishedDay": {
        "type": "string",
        "description": "The date the task was finished (YYYY-MM-DD format)"
      }
    },
    "required": ["taskId", "finishedDay"]
  }
}