Uni-msg WhatsApp MCP Server

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

Local + remotestreamable-httpstdio

What is the Uni-msg WhatsApp MCP Server?

Uni-msg WhatsApp is an MCP integration. Drive WhatsApp from any MCP client: pair devices, send text and media, manage contacts and groups.

Hosted connection

The registry lists a streamable-http connection at https://uni-msg.com/mcp. The endpoint declares these request headers: Authorization.

Packages and local setup

The published npm package is uni-msg-mcp-server, version 0.3.1. Its declared MCP transport is stdio.

The package declares UNIMSG_API_KEY (required): API key from uni-msg Dashboard → API Keys (starts with wsa_).

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project website. This profile uses version 0.3.1 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

Browse related communication MCP servers for tools that cover the same kind of work.

Configuration

VariableDescriptionRequired
UNIMSG_API_KEYAPI key from uni-msg Dashboard → API Keys (starts with wsa_)Yes