Yatse does have limited support for Tasker. A while back, I was able to get a profile running that grabbed the state of Yatse although I remember the metadata being somewhat limited at the time.
I would poke around with it a bit and feel free to ask questions here or split off a new thread (and tag me) where you might get more attention.
Edit: I did a quick search and it sparked my memory a bit… I think I ended up using the Yatse broadcast intents and capturing them in Tasker and translating the data into variables. It ended up being a bit convoluted and more effort than I expected and I recall the metadata being somewhat limited but sufficient for my needs:
PS. I would also note that you could do this direct from XBMC/Kodi to SmartThings if you are OK with a bit of coding (example).