cron explainer for ChatGPT

io.github.idoazacalls/cron-explainer

Cron expression parser: explains any cron + returns next N fire times. Timezone-aware.

client:ChatGPT transport:streamable-http tools:1

Install cron explainer in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://cron-explainer.cron-explainer-prod.workers.dev/mcp

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