mcp for ChatGPT
com.nativemsg/mcp
AI agents build, send, and manage branded RCS experiences: storefronts, bookings, campaigns.
client:ChatGPT
transport:streamable-http
Install mcp in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.nativemsg.com/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs