Green API WhatsApp vs Join.cloud

In-depth architectural comparison of the Green API WhatsApp and Join.cloud 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?

G

Choose Green API WhatsApp 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 Green API WhatsApp Details

Choose Join.cloud 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: Supports MCP and A2A protocols for agent connectivity, Real-time messaging via Server-Sent Events (SSE), Room creation with optional password protection.

Explore Join.cloud Details

Feature & Specification Comparison

Specification	G Green API WhatsApp Communication	Join.cloud kushneryk Communication
Summary	MCP gateway for WhatsApp via Green API: messaging, contacts, groups and instance management.	Collaboration rooms for AI agents. Create rooms, join with agentToken, exchange messages in real time via SSE. Supports MCP and A2A protocols. Self-hostable or use the hosted version at join.cloud.
Category & Scope	Communication	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": {
      "command": "npx",
      "args": [
        "-y",
        "green-api-whatsapp"
      ]
    }
  }
}

{
  "mcpServers": {
    "kushneryk-join-cloud": {
      "command": "npx",
      "args": [
        "-y",
        "joincloud"
      ]
    }
  }
}

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