Create calendar event
Add an event to a calendar, with time, location and description.
MCP tool nextcloud_write → create_calendar_event
write Confirm
Adds one event to a writable calendar. Give start and end with a time zone, or set all_day. Returns the event ID. Run list_events first to avoid an overlap. By default you confirm each call; you can switch that off for this tool.
Parameters
| Name | Type | Description |
|---|---|---|
| calendar string required | string | Calendar from list_calendars. |
| title string required | string | Event title. |
| start datetime required | datetime | Start time with a time zone. |
| end datetime required | datetime | End time with a time zone. |
| all_day boolean | boolean | All-day event. Default: false. |
| location string | string | Place or meeting link. |
| description string | string | Event notes. |
tools/call
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "nextcloud_write",
"arguments": {
"operation": "create_calendar_event",
"arguments": {
"calendar": "calendar",
"title": "title",
"start": "2026-10-01T09:00:00Z",
"end": "2026-10-01T09:00:00Z"
}
}
}
}Example response
{
"content": [
{
"type": "text",
"text": "{ ... same JSON as structuredContent ... }"
}
],
"structuredContent": {
"event_id": "d09b6a3c-81e4-4f77-b2a5-6e1c3f7a9d44",
"calendar": "work",
"title": "Acme kickoff",
"start": "2026-10-21T10:00:00+02:00",
"end": "2026-10-21T11:00:00+02:00",
"status": "created"
},
"isError": false
}