gcal for ChatGPT

com.mintmcp/gcal

A MCP server that works with Google Calendar to manage event listing, reading, and updates.

client:ChatGPT transport:streamable-http

Install gcal in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://gcal.mintmcp.com/mcp

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