Install WhatsApp Web MCP Server for Claude Desktop
Claude Desktop reads mcpServers from claude_desktop_config.json. Restart the app after saving.
- Open ~/Library/Application Support/Claude/claude_desktop_config.json on macOS, %APPDATA%\Claude\claude_desktop_config.json on Windows, or ~/.config/Claude/claude_desktop_config.json on Linux.
- Paste the JSON config below.
- Replace placeholder secrets, then restart the client if it does not reload on its own.
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"mario-andreschak-mcp-whatsapp-web": {
"command": "npx",
"args": [
"-y",
"mcp-whatsapp-web@1.2.0"
],
"env": {
"WHATSAPP_BACKEND": "webjs",
"BAILEYS_SESSION_DIR": "",
"LOG_LEVEL": "info",
"LOG_STDERR_LEVEL": "warn",
"WHATSAPP_HEADLESS": "",
"WHATSAPP_NO_SANDBOX": "false",
"BROWSER_EXECUTABLE_PATH": "",
"WHATSAPP_SESSION_DIR": "",
"WHATSAPP_PAIRING_PHONE_NUMBER": "",
"FFMPEG_PATH": "",
"WA_WEB_VERSION": "",
"HEALTH_CHECK_INTERVAL_MS": "60000",
"TOOL_READY_TIMEOUT_MS": "45000",
"MCP_HTTP_PORT": "",
"MCP_HTTP_HOST": "127.0.0.1",
"MCP_OAUTH": ""
}
}
}
}