As others have said, I’m not exposing my plex server to the internet just so I can sync with trakt. Much as I love the service, if this is not possible without doing that, I’ll likely just stop using trakt altogether.
Since we are in the world of vibe coding, did you guys explore creating a local app/service that can be installed on the same device running the plex server itself that could send the data you need by itself? That would be preferable.
edit: looks like someone may have already essentially created exactly what I was asking for: