WhatsApp MCP Server

@verissimomanoel

Repository

Basic information

About WhatsApp MCP Server

Whatsapp mcp server

#whatsapp #mcp #server

WhatsApp MCP Server config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

WhatsApp MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is WhatsApp MCP Server?

A FastMCP server that provides WhatsApp messaging capabilities using the Z-API.io service. It allows you to send WhatsApp messages programmatically through a simple interface, intended for developers needing asynchronous messaging and contact management.

How to use WhatsApp MCP Server?

Clone the repository, install dependencies using UV, set the required environment variables (INSTANCE, TOKEN, CLIENT_TOKEN) either in your environment or a .env file, create a data/contacts.json file with contact names and phone numbers, then run the server with python waha_mcp_server.py.

Key features of WhatsApp MCP Server

Send WhatsApp messages via Z-API.io
Contact management through a JSON file
Asynchronous message handling
Error logging and handling
Configuration via environment variables

Use cases of WhatsApp MCP Server

Automate sending WhatsApp notifications to customers
Integrate WhatsApp messaging into existing Python applications
Manage and send messages to a known contact list
Build a simple chatbot backend with Z‑API.io

Frequently asked questions

What are the prerequisites for this server?

Python 3.x, access to the Z‑API.io service, and valid Z‑API.io credentials (Instance ID, Token, and Client Token).

Where are contacts stored?

Contacts are stored in a local JSON file at `data/contacts.json` with a simple name-to-phone-number mapping.

How do I authenticate with Z‑API.io?

Set the environment variables `INSTANCE`, `TOKEN`, and `CLIENT_TOKEN` with your Z‑API.io credentials.

What runtime dependencies does it require?

The server requires Python 3.x and the UV package manager for installation; no other runtime environment is mentioned.

Does the server support receiving messages or only sending?

The README only describes sending messages; no receiving or webhook capabilities are mentioned.

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