Outlook vs Gmail

In-depth architectural comparison of the Outlook and Gmail 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.

Which MCP Server Should You Choose?

Choose Outlook 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 Details

Choose Gmail 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 Gmail Details

Feature & Specification Comparison

Specification	Outlook Communication	Gmail Communication
Summary	Outlook integration with OAuth, message search, batch operations, and calendar management	Gmail integration with OAuth authentication, message search, batch operations, and Sheets export
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "outlook": {
      "command": "npx",
      "args": [
        "-y",
        "@mcp-z/cli"
      ]
    }
  }
}

{
  "mcpServers": {
    "gmail-3": {
      "command": "npx",
      "args": [
        "-y",
        "@mcp-z/cli"
      ]
    }
  }
}

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