TidesAtlas for ChatGPT
com.tidesatlas/tides
Worldwide tide times and heights, marine weather, sea temperature, sun and moon for 13,000+ ports.
client:ChatGPT
transport:streamable-http
tools:10
Install TidesAtlas in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://tidesatlas.com/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs