I was about to suggest the same thing, except it basically turns you into a computer. If the app (/api) is small enough, this could work really well. But even

I was about to suggest the same thing, except it basically turns you into a computer. If the app (/api) is small enough, this could work really well. But even for something as "small" as Basecamp, the "protocol" could get decently complicated fast. Somehow this equates to the Terminal vs. GUI apps debate to me.