mcp-registry/co.lumman/calendar
Also listed as github/lumman-lab/multi-calendar
As of 2026-10-27 16:14 UTC, the Lumman Calendar MCP server is up (it requires sign-in) with a Glimind reliability score of 84/100 (grade B). Over the last 30 days it answered 100% of Glimind's liveness checks.
Outlook.com, Microsoft 365, Google calendars: free time, events, invitations, booking pages, polls.
Point your MCP client at this streamable-http endpoint: https://calendar.lumman.co/mcp
Compare: most reliable calendar servers · most reliable communication servers
Glimind tells agents whether a server is up right now and how to call it, then fails over to a live alternative when it isn't.
Claude Code
claude mcp add --transport http glimind https://glimind.com/mcp
Claude Desktop · Windsurf · Cline (mcpServers JSON)
{
"mcpServers": {
"glimind": {
"type": "http",
"url": "https://glimind.com/mcp"
}
}
}
As of 2026-10-27 16:14 UTC, the Lumman Calendar MCP server is up (it requires sign-in) with a Glimind reliability score of 84/100 (grade B). Over the last 30 days it answered 100% of Glimind's liveness checks.
Lumman Calendar MCP server advertises 21 tools, including booking_links_create, booking_page_set, busy_everywhere_set, calendars_list, circles_free_times_find.
Point your MCP client at this streamable-http endpoint: https://calendar.lumman.co/mcp
Status page: 90-day uptime, every outage and how long it lasted.
Claim this listing to get the Verified operator marker, a remediation checklist and owner analytics, or embed the live badge from any of the tool pages above. Maintainers: alerts, deploy attestation and monthly reports.
Status is an automated estimate from Glimind's liveness checks (handshake and tool listing only; no tool is ever called) and may lag or differ from your network. Glimind is not affiliated with this server or its operator. Operator? Request a correction or opt out at https://glimind.com/opt-out.