You can join their discord channel and then find the Exoworlds section. As far as adding it to your discord, thats above my head.
Edit:
When in the exoworld channel…
!exo (gives a list of current exoworlds)
!planet planetname (gives a list of the resources available on that planet … works for perm worlds too)
!res resourcename (outputs the top 10 planets, perm or exo, with that resource and the amount)