For all of these tools, now, there are many. After I built my own agent sandboxer[0] I went so far as to create a site dedicated to 36 other similar projects / approaches: https://pleasedonotescape.com/
This is great! It would be really helpful if it had some measure of the number of users (stars?) and a contributor count. It's pretty hard to determine which of these projects are going to stick around. Total length of time under active development and percentage of code committed by agents would also be informative.
But that would reflect poorly on my own project ;-) More seriously you're absolutely right, I'll see if I can find some time this weekend to get that done
OPs tool is not a sandboxer and isn’t like the other projects in your list. OP is an agent multiplexer, of which there also are many similar projects, but not a sandboxer.