Suggestions

Make rank commands less P2W

Make certain rank commands like /fix all, /heal, /nv etc. an AoE. Basicly when someone does /fix all, or other certain commands, it will work for everyone within a certain block radius, like 5 or 10 blocks around the player.

Add /claim fly to skygrid

It would be nice to have /claim fly on skygrid so it would be easier to build in your own claim and make you claim look better. It would not diminish the concept of skygrid since you would still need to go out and get spawners and materials.

No more than three tags and only staff can do @everyone

Make it where no one can tag more than three people and only staff can tag @everyone.

You also make it where each rank can tag more people if the first is too unpopular and where Nexus rank can tag @everyone

This will keep people from making new accounts and tagging everyone in discord at once and easier to ban them before they finish tagging everyone.

Could you add the title ProAFKer?

It would be nice to have the title ProAFKer added to the title list.

/itemfilter and /clearinventory work together

Make it to where if items are on the /itemfilter white list that they don't get deleted if you do /clearinventory command. Also if you have /itemfilter on black list mode then only those item on the list will delete if you do /clearinventory

slime chunk command

A command that, when used, will tell the player if the chunk they are in is a slime chunk or not.

hopper limit command

A command that, when used, will tell the player how many hoppers are in the chunk they are in and how many more the player can place.