Keeper.Sh
ClaimedCalendar sync tool & universal calendar MCP server. Aggregate, sync and control calendars on Google, Outlook, Office 365, Apple Calendar, CalDAV or ICS.
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Security profile
Exposure: Limited
Runs commands or loads code on your machine, but does not reach secrets or other agents.
What this server can reach, from a static read of the shipped code. Nothing was executed and nothing here is a verdict: a browser tool has to run commands and an API wrapper has to call its API. Decide what fits your setup.
Detected
- Talks to external services
Makes outbound requests. The hosts are listed so you can see where data goes.
api.github.com, www.keeper.sh
- Contains instructions aimed at AI agents
Text in code or agent-facing files that steers a model. Worth reading before you trust it.
- Passes model output on without checks
Model output reaches HTML, SQL or a shell without validation.
Dependencies with known advisories
None found in the lockfiles and manifests checked against OSV.dev.
Left out of the profile
16 pattern matches in documentation, configuration or CI files were recorded but are not part of the profile, because they do not run when the server does. The owner dashboard lists them.
14 of 14 tools
Documented tools (14)
From project documentation. A server handshake does not verify each tool’s description or behavior.
create_event
Create an event on a connected calendar. Requires a calendar ID, title, start time, and end time.
delete_event
Delete a calendar event by its ID.
find_free_time
Find open slots of at least a given duration across every synced calendar in a date range.
get_event
Get a single calendar event by its ID.
get_event_count
Get the number of calendar events. Optionally scoped to a date range with from and to ISO 8601 datetimes.
get_events
Get calendar events within a date range. Accepts ISO 8601 datetimes and an IANA timezone identifier used to localize event times.
get_ical_feed
Get your iCal feed URL for subscribing in other calendar apps.
get_pending_invites
Get invitations on a calendar that have not been responded to within a date range.
list_accounts
List all connected calendar accounts with provider information.
list_calendars
List all calendars connected to Keeper, including provider name and account.
pause_sync
Pause or resume syncing for a single calendar without disconnecting it.
rsvp_event
Respond to a calendar event invitation with accepted, declined, or tentative.
trigger_sync
Force a sync now instead of waiting for the next scheduled run. Throttled to one request per minute.
update_event
Update an existing calendar event. Only the fields you provide are updated.
Tool change history
FAQ
Questions about Keeper.Sh MCP Server
- How do I connect Keeper.Sh MCP Server to Claude?
- The project does not publish a launch command that MCPVault could verify. Open the repository linked on this page for its install steps; the listing names Claude Desktop, Claude Code as compatible clients.
- Is Keeper.Sh MCP Server free?
- The listed licence is AGPL-3.0. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
- What can Keeper.Sh MCP Server do?
- Keeper.Sh MCP Server documents 14 tools to the agent, including create_event, delete_event, find_free_time. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.