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Drive WhatsApp from any MCP client: pair devices, send text and media, manage contacts and groups.
npx @getmcp/cli add com.uni-msg/whatsappRequires Node.js 18+. Community-contributed server. Review source before installing.
UNIMSG_API_KEYAPI key from uni-msg Dashboard → API Keys (starts with wsa_)
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"com.uni-msg/whatsapp": {
"command": "npx",
"args": [
"-y",
"uni-msg-mcp-server"
],
"env": {
"UNIMSG_API_KEY": ""
}
}
}
}