WhatsApp MCP Assistant (Client MCP Server

WhatsApp MCP Assistant (Client-Server)

Local serverstdioPython

What is the WhatsApp MCP Assistant (Client MCP server?

Most team communication work still happens through a UI a human drives. WhatsApp MCP Assistant (Client MCP server moves it into the conversation instead. WhatsApp MCP Assistant (Client-Server).

The short version

This project builds a client-server pipeline to send and schedule WhatsApp messages using natural language. The server interprets user intent with Mistral's LLM and uses Twilio to perform the actual WhatsApp messaging.

The tools it exposes

The server publishes 3 tools. What each one is for:

  • mcp_server.py — The main MCP server that uses Mistral for interpreting user input and calls Twilio to send messages
  • mcp_client.py — Simple CLI client for interacting with the server using free-form natural language
  • config.py — Stores API keys and constants including phone number config

Getting it running

twilio on PyPI is all you need. Most clients run it directly, so configuration is a few lines and a restart.

How it compares

Plenty of team communication servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. WhatsApp MCP Assistant (Client's toolset — mcp_server.py, mcp_client.py, config.py — is a fair guide to whether it matches your workflow. It is maintained by Nirsisr; worth a glance at recent repository activity before you build anything load-bearing on it.

SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
mcp_server.pyThe main MCP server that uses Mistral for interpreting user input and calls Twilio to send messages.
mcp_client.pySimple CLI client for interacting with the server using free-form natural language.
config.pyStores API keys and constants including phone number config.

How to install the WhatsApp MCP Assistant (Client MCP server

{
  "mcpServers": {
    "mcpwhatsapp": {
      "command": "uvx",
      "args": ["twilio"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Example prompts to try

  • Use WhatsApp MCP Assistant (Client to mcp server.py.
  • Use WhatsApp MCP Assistant (Client to mcp client.py.
  • Use WhatsApp MCP Assistant (Client to config.py.

Frequently asked questions

Twilio’s WhatsApp API only allows free‑form text messages within 24 hours of the user’s last inbound message. Outside that window you must use a pre‑approved Message Template.