Time & Astronomy for ChatGPT

org.memoryapi/time

Current time by timezone, astronomy events, and moon phases

client:ChatGPT transport:streamable-http tools:3

Install Time & Astronomy in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://time.memoryapi.org/mcp

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