Green API WhatsApp vs Vrchat MCP

In-depth architectural comparison of the Green API WhatsApp and Vrchat MCP 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 Green API WhatsApp when:

• You need dedicated capabilities in the Communication domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: whatsapp_send_message, whatsapp_send_file, whatsapp_send_location.

Explore Green API WhatsApp Details

Choose Vrchat MCP when:

• You need dedicated capabilities in the Communication domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• You have access to required keys: VRCHAT_USERNAME, VRCHAT_AUTH_TOKEN.
• Primary tools included: Retrieve friends, notifications, and invite messages, Search avatars, worlds, and groups, Send friend requests and request invites.

Feature & Specification Comparison

Specification	Green API WhatsApp Communication	Vrchat MCP sawa-zen Communication
Summary	MCP gateway for WhatsApp via Green API: messaging, contacts, groups and instance management.	This is an MCP server for interacting with the VRChat API. You can retrieve information about friends, worlds, avatars, and more in VRChat.
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": {
    "green-api-whatsapp": {
      "url": "https://green-api.com/en/docs/integration/mcp/integration-setup/"
    }
  }
}

{
  "mcpServers": {
    "sawa-zen-vrchat-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "vrchat-auth-token-checker"
      ],
      "env": {
        "VRCHAT_USERNAME": "YOUR_VRCHAT_USERNAME_HERE",
        "VRCHAT_AUTH_TOKEN": "YOUR_VRCHAT_AUTH_TOKEN_HERE"
      }
    }
  }
}

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