MCP tool
update_event
update_event is a tool name used by 4 different MCP servers. They are not necessarily the same tool — here is what each one does.
4 MCP servers expose a update_event tool: iCloud Calendar (CalDAV), icloud-calendar, CalendarMCP and Calendar Agent by Nova (CIVAI). Their input schemas differ, so compare them below before picking one.
Servers exposing update_event
From the publisher:Change any of those fields, or move the event to another calendar
Install iCloud Calendar (CalDAV) →From the publisher:Update an event
Install icloud-calendar →From the publisher:Partial update of an existing event.
Install CalendarMCP →From the publisher:Run Google calendar action: update event
Install Calendar Agent by Nova (CIVAI) →Parameter Type Description detailstring Task-specific details from the objective.
Related tools
The same action under a namespaced name on other servers.
Tool lists are read from the live servers (or, for packaged servers, from their documentation) each morning, so this reflects what they exposed at the last refresh. Search all tools.