Lemonvite for ChatGPT

com.lemonvite/lemonvite

Create, design and send event invitations, manage guest lists, and track RSVPs.

client:ChatGPT transport:streamable-http

Install Lemonvite in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://www.lemonvite.com/api/mcp

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