Can you add Stirr

Stirr offers live tv any way to add it ?

Isn't it like Pluto?

looking at the site, it does indeed look like Pluto. Except, it seems to be only Sinclair owned networks.

Appears you have to register with them so they can provide you targeted advertising.
Prelude to ATSC 3.0 things to come?

Here ya go! Stirr for Channels