This is probably the wrong tree to be barking up: I would think it's better executed by your HTPC/media player (kodi?) or NAS than the router itself.
I'm not a big fan of Trakt: I refuse to buy a subscription, so I've always had headaches (...I see why this is of interest).
I also don't NAS or Plex because Real-Debrid consistently amazes me...until my jurisdiction gets serious about copyright protection and DRM...but this is a discussion for elsewhere.
Simkl works nicely (better, actually, for me) without a subscription and is considerably more intuitive to me, and is improving and increasingly integrated.