Google Calendar MCP vs Open Feishu MCP Server

In-depth architectural comparison of the Google Calendar MCP and Open Feishu MCP Server 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 Google Calendar MCP when:

• You need dedicated capabilities in the Workplace & Productivity domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: OAuth 2.0 (Free / Open Source).
• You have access to required keys: GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, GOOGLE_REDIRECT_URI.
• Primary tools included: event, start, end.

Explore Google Calendar MCP Details

Choose Open Feishu MCP Server when:

• You need dedicated capabilities in the Workplace & Productivity domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• You have access to required keys: FEISHU_APP_ID, FEISHU_APP_SECRET, COOKIE_ENCRYPTION_KEY.

Feature & Specification Comparison

Specification	Google Calendar MCP takumi0706 Workplace & Productivity	Open Feishu MCP Server ztxtxwd Workplace & Productivity
Summary	An MCP server to interface with the Google Calendar API. Based on TypeScript.	A Model Context Protocol (MCP) server with built-in Feishu OAuth authentication, supporting remote connections and providing comprehensive Feishu document management tools including block creation, content updates, and advanced features.
Category & Scope

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": {
    "takumi0706-google-calendar-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@takumi0706/google-calendar-mcp@2.0.0"
      ],
      "env": {
        "GOOGLE_CLIENT_ID": "YOUR_GOOGLE_CLIENT_ID_HERE",
        "GOOGLE_CLIENT_SECRET": "YOUR_GOOGLE_CLIENT_SECRET_HERE",
        "GOOGLE_REDIRECT_URI": "YOUR_GOOGLE_REDIRECT_URI_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "ztxtxwd-open-feishu-mcp-server": {
      "url": "http://localhost:8788/sse"
    }
  }
}

Related MCP Server Comparisons