I just made https://calgaryplus15.com which shows a map overlay of a bunch of overground tunnels in downtown Calgary. It automatically pulls in the location data from the city, shows hours of operation for the entrances, and will turn green/red if they are open or closed (or grey if the data is unknown)
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I do wish you could ask v0 questions without it always generating code, though. I often have to bounce back and forth between AI products, which feels a bit weird.
I'm not sure if you've used Cursor yet, but it's really powerful in that you can dump in API documents of the services you're using, and it will use that as its input instead of whatever junk it's finding online.