uni-msg WhatsApp for ChatGPT

com.uni-msg/whatsapp

Drive WhatsApp from any MCP client: pair devices, send text and media, manage contacts and groups.

client:ChatGPT transport:streamable-http runtime:npm

Install uni-msg WhatsApp in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://uni-msg.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs