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Compare servers	Keeper.Sh
Purpose	Calendar sync tool & universal calendar MCP server. Aggregate, sync and control calendars on Google, Outlook, Office 365, Apple Calendar, CalDAV or ICS.
Authentication (maintainer declared)	Unknown
Public launch command	Project-specific setup
Configuration source	Public install instructions
Observed tools	Unknown
Last complete tool check	Unknown
License	AGPL-3.0
	Open setup

A complete tool check lists tools; it does not exercise them or certify security.