server for ChatGPT

app.certman/server

Create and manage your own Certificate Authority for internal HTTPS.

client:ChatGPT transport:streamable-http

Install server in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.certman.app

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