Microsoft 365 Calendar

io.github.mindstone/mcp-server-microsoft-calendar

Microsoft 365 Outlook calendar via Graph: list, get, create, update, respond, free/busy.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "mcp-server-microsoft-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "@mindstone/mcp-server-microsoft-calendar@0.2.0"
      ],
      "env": {
        "MS_CLIENT_ID": "<your MS_CLIENT_ID>",
        "MS_CONFIG_DIR": "<your MS_CONFIG_DIR>",
        "MS_MCP_PACKAGE_ID": "Microsoft365Calendar",
        "MICROSOFT_REQUEST_TIMEOUT_MS": "60000"
      }
    }
  }
}
Environment variables
  • MS_CLIENT_IDrequiredMicrosoft Entra (Azure AD) application client ID
  • MS_CONFIG_DIRrequiredPath to the per-user Microsoft config directory (credentials/, accounts.json)
  • MS_MCP_PACKAGE_IDLogical package ID surfaced in error responses
  • MICROSOFT_REQUEST_TIMEOUT_MSOverride the upstream Microsoft Graph request timeout in milliseconds (max 300000 = 5 min)

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.2.0
Registry
active
Published
8/7/2026

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Add the badge to your site

Show visitors that Microsoft 365 Calendar is listed here — it’s also the link we check for a free listing.

Microsoft 365 Calendar — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-mindstone-mcp-server-microsoft-calendar?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Microsoft 365 Calendar — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Microsoft 365 Calendar — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-mindstone-mcp-server-microsoft-calendar?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.