Read-only MCP server for WhatsApp Web allowing listing chats and reading recent messages, without sending or mutating WhatsApp state.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
process.env. You'll be asked to provide them before it can run.WHATSAPP_ALLOWED_CHAT_IDS— comma-separated chat ids. If set, only these chats are visible.WHATSAPP_AUTH_PATH— auth session directory. Defaults to .wwebjs_auth.WHATSAPP_CHROME_PATH— This skips Puppeteer's bundled browser download. On macOS, the server defaults to launching your installed Google Chrome through Puppeteer's chrome channel. If Chrome is somewhere unusual, set .WHATSAPP_CLIENT_ID— LocalAuth client id for multiple sessions.WHATSAPP_HEADLESS— false: show the browser window.WHATSAPP_PUPPETEER_CHANNEL— Puppeteer browser channel. Defaults to chrome on macOS.WHATSAPP_PUPPETEER_NO_SANDBOX— true: add Chromium no-sandbox flags for no-GUI/root environments.WHATSAPP_TAKEOVER_ON_CONFLICT— true: take over if another WhatsApp Web session conflicts.[](https://m8ven.ai/mcp/leonardtan13-whatsapp-web-mcp-q6lgbe)