Multi Calendar MCP Server: Install & Setup

Install Multi Calendar in Claude Code

Claude Code

claude mcp add --transport http lumman-lab-multi-calendar https://calendar.lumman.co/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "lumman-lab-multi-calendar": {
      "url": "https://calendar.lumman.co/mcp"
    }
  }
}

Outlook.com, Microsoft 365, Google calendars: free time, events, invitations, booking pages, polls.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http lumman-lab-multi-calendar https://calendar.lumman.co/mcp

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