Circles: WhatsApp for your AI agents for ChatGPT

app.usecircles/whatsapp

WhatsApp MCP for chats you choose: read/write by default, no daily send quota, voice notes as text.

client:ChatGPT transport:streamable-http

Install Circles: WhatsApp for your AI agents in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://app.usecircles.app/api/mcp

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