Synology Calendar API Skill

Overview

Manage Synology Calendar using the official Calendar API.

Documentation: Calendar_API_Guide_enu.pdf

Connection

Environment Variables

export SYNOLOGY_URL="http://{nas_ip}:5000"  # 內網地址
export SYNOLOGY_USER="{username}"
export SYNOLOGY_PASSWORD="your-password"

Quick Start

from client import SynologyCalendar

cal = SynologyCalendar()
cal.login()

# List calendars
calendars = cal.get_calendars()
for c in calendars:
    print(f"{c['cal_id']}: {c['cal_displayname']}")

cal.logout()

API Reference

Calendar Operations (SYNO.Cal.Cal)

Event Operations (SYNO.Cal.Event)

Event Creation Notes:

✅ Working:

• All event types now work correctly with v1 API

⚠️ Critical: SID must be in URL parameter, not JSON body

The Synology Calendar v1 API requires the _sid parameter in the URL query string, not in the JSON body.

create_event Parameters:

Example:

# Non-all-day event (working)
cal.create_event(
    cal_id='/{username}/home/',
    summary='Meeting',
    dtstart=now,
    dtend=now + 3600,
    is_all_day=False,
    is_repeat_evt=False,
    description='Team meeting',
    color='#D9AE00',
    timezone='Asia/Shanghai'
)

Todo Operations (SYNO.Cal.Todo)

Contact Operations (SYNO.Cal.Contact)

CLI Usage

# Login
python client.py login

# List calendars
python client.py list-calendars

# List todos
python client.py list-todos --cal-id "/{username}/home_todo/"

# Create todo
python client.py create-todo \
  --cal-id "/{username}/home_todo/" \
  --title "Task name"

# Complete todo
python client.py complete-todo --evt-id "1012"
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Known Issues

Event Creation (Fixed with v1 API)

Previous Issue: Event creation returned error 9009 due to:

1. Using v5 API instead of v1 API
2. Missing original_cal_id parameter
3. SID passed in wrong location (JSON body vs URL parameter)

Solution: Use v1 API with:

• cal_id from get_calendars() response
• original_cal_id = cal_id (for non-shared calendars)
• SID in URL parameter: ?_sid=xxx

Calendars

Links

• Official API Guide

這個 Skill 質量中等偏上，基本能用，但存在一些問題。它能幫你管理 Synology 日曆上的事件和任務，功能覆蓋面還行，文件也比較詳細。不過文件裡的引數說明和實際程式碼有時候對不上，任務完成等部分功能的程式碼實現不完整，可能導致某些操作無法正常工作。如果你是 Synology NAS 使用者且需要用程式碼管理日曆，可以用，但需要仔細核對引數用法。