What is the key difference between Outlook Mail and Outlook Calendar?

Outlook Mail belongs to the Communication category with local stdio execution, while Outlook Calendar belongs to the Communication category with local stdio execution.

How do I install Outlook Mail or Outlook Calendar in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Outlook Mail and Outlook Calendar free or paid?

Outlook Mail operates under a Free / Open Source model (No auth required). Outlook Calendar operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Outlook Mail lists 0 tools with 0 views and 0 GitHub stars. Outlook Calendar lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Outlook Mail and Outlook Calendar together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Outlook Mail vs Outlook Calendar

In-depth architectural comparison of the Outlook Mail and Outlook Calendar MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Outlook Mail

Communication · Local stdio

Quality: 24/100 (Emerging) | Auth: No auth required

Outlook Calendar

Communication · Local stdio

Quality: 23/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Outlook Mail if you need specialized Communication tools running via a local process. Choose Outlook Calendar if your workspace requires Communication integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Outlook Mail when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Outlook Mail Details

Choose Outlook Calendar when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Outlook Calendar Details

Feature & Specification Comparison

Specification	O Outlook Mail Communication	O Outlook Calendar Communication
Summary	Outlook Mail (Microsoft 365) MCP Pack	Outlook Calendar MCP Pack
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Outlook Mail Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Outlook Calendar Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Outlook Mail Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "outlook-mail": {
      "command": "npx",
      "args": [
        "-y",
        "outlook-mail"
      ]
    }
  }
}

Outlook Calendar Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "outlook-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "outlook-calendar"
      ]
    }
  }
}

Frequently Asked Questions

Outlook Mail is categorized under Communication and uses a local stdio subprocess. In contrast, Outlook Calendar belongs to Communication using local stdio subprocess. Select Outlook Mail when you need capabilities focused on communication and Outlook Calendar when you require tools for communication.

More alternatives to Outlook Mail More alternatives to Outlook Calendar Communication category hub Canonical compare URL