Zovo Countdown Chain for ChatGPT

io.github.theluckystrike/countdown-calendar

Make a printable countdown calendar to the day you are waiting for: a vacation, a wedding.

client:ChatGPT transport:streamable-http tools:1

Install Zovo Countdown Chain in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://countdown-calendar.zovo.one/mcp

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