Files
nuc/.artifacts/2026-02-12_22-50_whatsapp-mcp-setup.md
Alejandro Gutiérrez 1aa7ebcde3 Add AI gateway and WhatsApp integration artifacts (Feb 12-17)
OpenClaw setup, Arrio deployment, WhatsApp MCP server, DNS/Traefik
entries, communication style prompts (v1+v2), WhatsApp monitoring
system plan, and OpenClaw upgrade protection strategy.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-18 15:17:11 +01:00

2.7 KiB

WhatsApp MCP Server Setup

Date: 2026-02-12 22:50 Context: Built full-featured WhatsApp MCP server with consumer account support via whatsapp-web.js

Architecture

Claude Code (Mac) → MCP Server (stdio) → HTTP API → Docker Container (NUC) → whatsapp-web.js → WhatsApp

Container Details

Property Value
Container whatsapp-mcp
Port 3100
QR Page http://192.168.1.3:3100/qr
API Token 2d86b48f0fefc044c5bad974c4f9df2c8cc6c905dc3a10dfff203e6717b02d7c
Volumes whatsapp-auth (session), whatsapp-media (downloads)
Image whatsapp-mcp-whatsapp (multi-stage, ~700MB)
Source on NUC ~/whatsapp-mcp/
MCP Source ~/mcp-servers/whatsapp-mcp/

MCP Tools (27 total)

Status & Connection

  • whatsapp_get_status - Connection status, phone, name
  • whatsapp_get_qr_code - QR code for pairing
  • whatsapp_logout - Disconnect

Sending

  • whatsapp_send_message - Text message
  • whatsapp_send_media - Image/video/doc/audio
  • whatsapp_send_location - Location pin
  • whatsapp_reply_to_message - Quoted reply
  • whatsapp_react_to_message - Emoji reaction
  • whatsapp_forward_message - Forward to another chat

Reading

  • whatsapp_get_messages - Chat history
  • whatsapp_get_new_messages - Poll new incoming
  • whatsapp_search_messages - Text search

Contacts

  • whatsapp_list_contacts - All contacts
  • whatsapp_get_contact - Contact details
  • whatsapp_search_contacts - Search by name/phone
  • whatsapp_check_phone_numbers - Check registration

Groups

  • whatsapp_list_groups - All groups
  • whatsapp_get_group - Group details
  • whatsapp_create_group - Create new group
  • whatsapp_update_group - Update name/description
  • whatsapp_manage_participants - Add/remove members

Chats

  • whatsapp_list_chats - All chats with metadata
  • whatsapp_mark_chat_read - Mark as read
  • whatsapp_archive_chat - Archive/unarchive

Media & Presence

  • whatsapp_download_media - Download media from message
  • whatsapp_send_typing - Show typing indicator

Pairing

  1. Open http://192.168.1.3:3100/qr in browser
  2. Open WhatsApp → Linked Devices → Link a Device
  3. Scan the QR code
  4. Session persists in whatsapp-auth volume (no re-scan after restart)

Management

# Restart
ssh nuc "cd ~/whatsapp-mcp && docker compose restart"

# Logs
ssh nuc "docker logs whatsapp-mcp -f"

# Rebuild
scp -r ~/mcp-servers/whatsapp-mcp/service/src nuc:~/whatsapp-mcp/service/
ssh nuc "cd ~/whatsapp-mcp && docker compose build && docker compose up -d"
  • MCP registered as whatsapp in ~/.claude.json (user scope)
  • Pattern matches stalwart-mail MCP (local stdio → remote HTTP)