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whatsapp-mcp-server

License: MIT Node.js TypeScript MCP Compatible Official Meta API WhatsApp Business No Ban Risk

A production-ready Model Context Protocol (MCP) server that connects AI assistants like Claude to the WhatsApp Cloud API (Meta). Send messages, manage conversations, handle media, send template messages, and receive real-time webhooks — all through natural language.


Why this MCP server?

This is the only WhatsApp MCP server built on the official Meta WhatsApp Cloud API.

Most WhatsApp tools for developers rely on unofficial browser automation libraries (whatsapp-web.js) or reverse-engineered protocols (whatsmeow, Baileys). These approaches violate WhatsApp's Terms of Service and carry a real risk of account bans. This project is different.

whatsapp-mcp-server (this project)

Unofficial libraries (whatsapp-web.js, whatsmeow, Baileys)

API type

✅ Official Meta WhatsApp Cloud API

❌ Unofficial / reverse-engineered

Account ban risk

✅ None — Meta-approved

⚠️ High — violates WhatsApp ToS

Account type

✅ WhatsApp Business account

Personal account only

Uptime reliability

✅ Meta SLA-backed infrastructure

❌ Breaks when WhatsApp updates

Scalability

✅ Business-grade, multi-agent ready

❌ Limited to one session

Template messages

✅ Full support

❌ Not available

Media handling

✅ Native Cloud API media endpoints

⚠️ Workarounds required

Webhook support

✅ Official Meta webhook events

❌ Polling / fragile listeners

Production use

✅ Built for production

❌ Recommended for personal/hobby use only

Long-term viability

✅ Stable, versioned API

❌ Depends on reverse engineering staying current

Bottom line: if you are building anything beyond a personal experiment — customer support, automated notifications, business workflows — use the official API. This server gives you that, packaged as a drop-in MCP server.


Features

  • Send all message types — text, images, videos, audio, documents, reactions

  • Template messages — send and list approved WhatsApp Business templates with full component support

  • Media management — upload, retrieve, and delete media files

  • Conversation history — in-memory store of recent conversations via webhook

  • Real-time webhooks — receive incoming messages and delivery status updates

  • Business profile — read and update your WhatsApp Business profile

  • Contact lookup — validate phone numbers against WhatsApp

  • Rate limit handling — automatic exponential backoff retry logic

  • Type-safe — fully typed TypeScript with Zod input validation

  • Docker ready — multi-stage Dockerfile and docker-compose included

  • Works without webhook — send-only mode with no webhook server required


Architecture

┌─────────────────────────────────────────────────────────────┐
│                    AI Assistant (Claude)                      │
└──────────────────────────┬──────────────────────────────────┘
                           │ MCP Protocol (stdio)
                           │
┌──────────────────────────▼──────────────────────────────────┐
│                  whatsapp-mcp-server                         │
│                                                              │
│  ┌─────────────┐  ┌──────────────┐  ┌───────────────────┐  │
│  │  MCP Server │  │   Tools      │  │  WhatsApp Client  │  │
│  │  (stdio)    │◄─┤  messages    ├─►│  (Axios + retry)  │  │
│  │             │  │  contacts    │  └────────┬──────────┘  │
│  └─────────────┘  │  media       │           │              │
│                   │  templates   │           │ HTTPS        │
│  ┌─────────────┐  └──────────────┘           │              │
│  │  Webhook    │                             ▼              │
│  │  Server     │  ◄──── Incoming   ┌─────────────────────┐ │
│  │  (Express)  │       messages    │ WhatsApp Cloud API  │ │
│  └──────┬──────┘       & statuses  │  graph.facebook.com  │ │
└─────────│───────────────────────────┼─────────────────────┘ │
          │                           │                        │
          │ HTTP POST (Meta webhooks) │ HTTPS (send messages)  │
          │                           │                        │
     ┌────▼──────────────────────────▼──────────────┐
     │            WhatsApp Users                     │
     └────────────────────────────────────────────────┘

Webhook flow for incoming messages:
WhatsApp User → Meta Servers → POST /webhook → WhatsAppWebhook
→ in-memory conversation store → EventEmitter → MCP tools

Prerequisites

  1. Node.js 20+download

  2. Meta Developer Accountcreate one

  3. WhatsApp Business App configured in Meta App Dashboard

  4. Phone Number ID and Access Token from your WhatsApp app settings

  5. (Optional) A public HTTPS URL for receiving webhooks (use ngrok for local dev)


Quick Start

Step 1 — Clone and install:

git clone https://github.com/FredShred7/whatsapp-mcp-server.git
cd whatsapp-mcp-server
npm install

Step 2 — Configure credentials:

cp .env.example .env
# Edit .env with your WhatsApp credentials

Step 3 — Build:

npm run build

Step 4 — Add to Claude Desktop or Claude Code (see sections below)

Step 5 — Test it: Ask Claude: "Send a WhatsApp message to +15551234567 saying Hello from Claude!"


Configuration

All configuration is via environment variables. Copy .env.example to .env and fill in the values.

Variable

Required

Description

WHATSAPP_PHONE_NUMBER_ID

Yes

Your WhatsApp phone number ID (from Meta App Dashboard > WhatsApp > API Setup)

WHATSAPP_ACCESS_TOKEN

Yes

Permanent access token for your app (generate in Meta App Dashboard)

WHATSAPP_WEBHOOK_VERIFY_TOKEN

Webhook

Random secret string — must match what you enter in Meta App Dashboard

WHATSAPP_BUSINESS_ACCOUNT_ID

Optional

WhatsApp Business Account ID — required for listing phone numbers and templates

WHATSAPP_API_VERSION

Optional

WhatsApp Cloud API version (default: v21.0)

WEBHOOK_PORT

Optional

Port for incoming webhook server (default: off). Set to 3000 to enable

WEBHOOK_PATH

Optional

HTTP path for webhooks (default: /webhook)

LOG_LEVEL

Optional

Logging verbosity: info or debug (default: info)


Available Tools

Tool

Description

Key Parameters

whatsapp_send_text

Send a text message

to, text, preview_url?, reply_to_message_id?

whatsapp_send_image

Send an image with optional caption

to, image_url, caption?

whatsapp_send_video

Send a video with optional caption

to, video_url, caption?

whatsapp_send_audio

Send an audio message

to, audio_url

whatsapp_send_document

Send a document/file

to, document_url, caption?, filename?

whatsapp_send_reaction

React to a message with emoji

to, message_id, emoji

whatsapp_mark_read

Mark a message as read

message_id

whatsapp_list_conversations

List recent conversations (webhook required)

limit?

whatsapp_get_conversation

Get messages with a contact (webhook required)

phone_number, limit?

whatsapp_get_message_status

Get delivery/read status (webhook required)

message_id

whatsapp_get_contact

Validate a phone number on WhatsApp

phone_number

whatsapp_get_business_profile

Get your WhatsApp Business profile

whatsapp_update_business_profile

Update business profile info

about?, address?, description?, email?, websites?, vertical?

whatsapp_upload_media

Upload media from URL, get media ID

media_url, mime_type, filename?

whatsapp_get_media_url

Get temporary download URL for media

media_id

whatsapp_delete_media

Delete uploaded media

media_id

whatsapp_send_template

Send an approved template message

to, template_name, language_code, components?

whatsapp_list_templates

List available message templates

limit?


Usage with Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):

{
  "mcpServers": {
    "whatsapp": {
      "command": "node",
      "args": ["/absolute/path/to/whatsapp-mcp-server/dist/index.js"],
      "env": {
        "WHATSAPP_PHONE_NUMBER_ID": "your_phone_number_id",
        "WHATSAPP_ACCESS_TOKEN": "your_access_token",
        "WHATSAPP_WEBHOOK_VERIFY_TOKEN": "your_verify_token",
        "WHATSAPP_BUSINESS_ACCOUNT_ID": "your_business_account_id",
        "WEBHOOK_PORT": "3000"
      }
    }
  }
}

Restart Claude Desktop after saving. You should see the WhatsApp tools available in the tools panel.


Usage with Claude Code

Add to your Claude Code MCP settings (~/.claude/settings.json or project-level .claude/settings.json):

{
  "mcpServers": {
    "whatsapp": {
      "command": "node",
      "args": ["/absolute/path/to/whatsapp-mcp-server/dist/index.js"],
      "env": {
        "WHATSAPP_PHONE_NUMBER_ID": "your_phone_number_id",
        "WHATSAPP_ACCESS_TOKEN": "your_access_token",
        "WHATSAPP_WEBHOOK_VERIFY_TOKEN": "your_verify_token",
        "WHATSAPP_BUSINESS_ACCOUNT_ID": "your_business_account_id",
        "WEBHOOK_PORT": "3000"
      }
    }
  }
}

Or use the CLI to add it:

claude mcp add whatsapp node /absolute/path/to/whatsapp-mcp-server/dist/index.js

Webhook Setup

Webhooks allow you to receive incoming messages and delivery status updates. They are optional — the MCP server works without them for sending messages only.

Local development with ngrok

# 1. Install ngrok: https://ngrok.com/download
# 2. Start your webhook server
WEBHOOK_PORT=3000 npm run dev

# 3. In another terminal, expose it publicly
ngrok http 3000

# 4. Copy the HTTPS URL (e.g. https://abc123.ngrok.io)

Configure in Meta App Dashboard

  1. Go to Meta App Dashboard > Your App > WhatsApp > Configuration

  2. Set Callback URL to: https://your-ngrok-url.ngrok.io/webhook

  3. Set Verify Token to match your WHATSAPP_WEBHOOK_VERIFY_TOKEN

  4. Click Verify and Save

  5. Subscribe to the messages webhook field

Production

For production, deploy this server behind a reverse proxy (nginx, Caddy, etc.) with a valid TLS certificate. Set WEBHOOK_PORT to your internal port and expose it via HTTPS on port 443.


Docker Deployment

Build and run with docker-compose

# Copy and fill in your credentials
cp .env.example .env

# Build and start
docker-compose up -d

# View logs
docker-compose logs -f

# Stop
docker-compose down

Build manually

# Build image
docker build -t whatsapp-mcp-server .

# Run (send-only, no webhook)
docker run --rm -i \
  -e WHATSAPP_PHONE_NUMBER_ID=xxx \
  -e WHATSAPP_ACCESS_TOKEN=xxx \
  whatsapp-mcp-server

# Run with webhook server
docker run --rm -i \
  -p 3000:3000 \
  --env-file .env \
  whatsapp-mcp-server

Note: When using Docker with Claude Desktop/Code, the MCP transport uses stdio. Make sure to pass -i (interactive) so stdin/stdout remain connected. The webhook port is separate from the MCP transport.


Development

# Install dependencies
npm install

# Run with auto-reload
npm run dev

# Type-check only (no build)
npm run typecheck

# Build
npm run build

# Lint
npm run lint

Project structure

src/
├── index.ts              # Entry point — loads env, wires up components
├── server.ts             # MCP server — registers tools, handles requests
├── whatsapp/
│   ├── client.ts         # WhatsApp Cloud API client with retry logic
│   ├── types.ts          # TypeScript types and interfaces
│   └── webhook.ts        # Express webhook server + in-memory store
└── tools/
    ├── messages.ts       # Send/receive message tools
    ├── contacts.ts       # Contact and business profile tools
    ├── media.ts          # Media upload/download/delete tools
    └── templates.ts      # Template message tools

Contributing

Contributions are welcome! Please read CONTRIBUTING.md for guidelines on reporting bugs, suggesting features, and submitting pull requests.


License

MIT — Copyright (c) 2025 FredShred7

-
security - not tested
A
license - permissive license
-
quality - not tested

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