MCP Server

uni-msg WhatsApp MCP Server

com.uni-msg/whatsapp

Registry

What is the uni-msg WhatsApp MCP server?

Drive WhatsApp from any MCP client: pair devices, send text and media, manage contacts and groups.

How to install uni-msg WhatsApp

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

UNIMSG_API_KEY
required
secret
API key from uni-msg Dashboard → API Keys (starts with wsa_)
Authorization
required
secret
Bearer <key>, using an API key from uni-msg Dashboard → API Keys

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "whatsapp": {
      "command": "npx",
      "args": [
        "-y",
        "uni-msg-mcp-server"
      ],
      "env": {
        "UNIMSG_API_KEY": "<YOUR_UNIMSG_API_KEY>",
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}