What are the system requirements for MCP WhatsApp Server?
Python 3.7 or higher, a running instance of the Waha API, and the Fast MCP library.
MCP WhatsApp Server
@pedsanches
Basic information
About MCP WhatsApp Server
No overview available yet
MCP WhatsApp Server config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"mcp-whatsapp-server": {
"command": "python",
"args": [
"server.py"
]
}
}
}MCP WhatsApp 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 MCP WhatsApp Server?
MCP WhatsApp Server is an MCP (Model Context Protocol) server that integrates with WhatsApp via the Waha API, enabling AI assistants (such as Claude) to interact directly with WhatsApp contacts.
How to use MCP WhatsApp Server?
Install dependencies with pip install -r requirements.txt, set environment variables (WAHA_API_URL, WAHA_SESSION_ID, optional CONTATOS_FILE) in a .env file, configure contacts in a contatos.json file, start the Waha API, then run python server.py. Connect any MCP-compatible client to the server.
Key features of MCP WhatsApp Server
- Check WhatsApp connection status
- Send messages by phone number
- Send messages by saved contact name
- Manage contacts by name in a JSON file
- View server configuration and contact list
Use cases of MCP WhatsApp Server
- An AI assistant sending WhatsApp notifications to customers
- Automating customer support replies based on contact names
- Sending personalized bulk messages to a managed contact list
- Monitoring the WhatsApp connection status remotely
Frequently asked questions
How do I configure MCP WhatsApp Server?
Set the environment variables `WAHA_API_URL` (default `http://localhost:3000`), `WAHA_SESSION_ID` (default `default`), and optionally `CONTATOS_FILE` in a `.env` file. Define contacts in a `contatos.json` mapping names to phone numbers.
How do I manage contacts in MCP WhatsApp Server?
Contacts are stored in a JSON file specified by `CONTATOS_FILE` (default `contatos.json`). You can also view the current contact list through the `waha://contatos` resource.
What resources and tools does MCP WhatsApp Server expose?
Resources: `waha://configuracao` (Waha API settings), `waha://status` (connection status), `waha://contatos` (contact list). Tools: `verificar_conexao_whatsapp()`, `enviar_mensagem_whatsapp(numero, mensagem)`, and `enviar_mensagem_por_nome(nome, mensagem)`.
How do I start MCP WhatsApp Server?
After installing dependencies and configuring the `.env` file, start the Waha API first (see its official instructions), then run `python server.py` in the project directory.
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