WhatsApp MCP

io.github.adelaidasofia/whatsapp-mcp

WhatsApp MCP. SQLCipher-encrypted, scrubber-CI-gated, draft-and-confirm sends, voice transcription.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "whatsapp-mcp": {
      "command": "uvx",
      "args": [
        "adelaidasofia-whatsapp-mcp"
      ],
      "env": {
        "WHATSAPP_BRIDGE_HOST": "127.0.0.1",
        "WHATSAPP_BRIDGE_PORT": "8080",
        "WHATSAPP_WHISPER_BACKEND": "local-cpp",
        "WHATSAPP_WHISPER_API_KEY": "<your WHATSAPP_WHISPER_API_KEY>",
        "WHATSAPP_WHISPER_MODEL": "large-v3",
        "WHATSAPP_SCRUB_PROMPT_INJECTION": "true",
        "WHATSAPP_AUDIT_LOG": "true",
        "WHATSAPP_ENCRYPT_DB": "true"
      }
    }
  }
}
Environment variables
  • WHATSAPP_BRIDGE_HOSTHostname for the Go bridge REST API.
  • WHATSAPP_BRIDGE_PORTPort for the Go bridge REST API.
  • WHATSAPP_WHISPER_BACKENDVoice-note transcription backend. 'local-cpp' (default, private) or 'openai-api' (opt-in).
  • WHATSAPP_WHISPER_API_KEYsecretOpenAI API key. Required only when WHATSAPP_WHISPER_BACKEND=openai-api.
  • WHATSAPP_WHISPER_MODELwhisper.cpp model name. Only used when backend is local-cpp.
  • WHATSAPP_SCRUB_PROMPT_INJECTIONStrip known prompt-injection patterns from incoming messages before the LLM sees them.
  • WHATSAPP_AUDIT_LOGLog every tool call to audit.log.
  • WHATSAPP_ENCRYPT_DBEnable SQLCipher DB encryption with the key sourced from macOS Keychain.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.1.1
Registry
active
Published
5/20/2026

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