Gmail MCP Server vs Outlook Assistant

In-depth architectural comparison of the Gmail MCP Server and Outlook Assistant 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 Gmail MCP Server 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).
• Primary tools included: messageId, attachmentId, savePath.

Explore Gmail MCP Server Details

Choose Outlook Assistant 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).
• Primary tools included: Email search with conversation threading and batch actions, Email sending with dry-run previews and recipient allowlist, Export emails in Markdown, EML, JSON, CSV, MBOX, or HTML formats.

Feature & Specification Comparison

Specification	Gmail MCP Server Communication	Outlook Assistant littlebearapps Communication
Summary	Lean Gmail MCP server with auto authentication support	Ask your AI assistant to search your inbox, send emails, schedule meetings, manage contacts, and configure mailbox settings — without leaving the conversation. Works with Claude, Cursor, Windsurf, and any MCP-compatible client.
Category & Scope	Communication

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": {
    "gmail-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@artymclabin/gmail-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "littlebearapps-outlook-assistant": {
      "command": "npx",
      "args": [
        "-y",
        "@littlebearapps/outlook-assistant"
      ]
    }
  }
}

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