This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Jeff Kaufman
jefftk.com
did:plc:k35xx6alir7rsmwfzh74abnp
In 2015 I made a little webapp to show predictions for the MBTA. A few years later they moved APIs and it stopped working. Back in those days programming required effort, and I let it die. But now that we have genies (for better or worse) I had Claude one-shot a fix.
https://www.jefftk.com/p/revived-lightweight-transit-predictions-page
2026-08-11T02:26:43.870Z