Appreciate it, but I have other plans for displaying items you wanna get

(Hint Hint, it's gonna be like infinest's)
.setprojectile does exactly that, you should look at "Commands.txt" in v0.2 .
I can technically make something that will constantly remove debuffs from your player, but it would just feel laggy.
Also you will probably be kicked out for sending too much requests to the server.
Just do what the server tells you to do, I'm sure you can manage without your Terrarian.
Changelog for v0.2.2:
Code:
v0.2.2:
- Added another UI, a "players" UI! Once again similar to the infinest client.
It shows the player name, ID and the item he\she is currently holding.
- Added 4 more commands: .invcopy [Player ID] - Copies a player's inventory.
.tilerange [X] - Sets your mining/placing range to X.
.tilerange - Sets your mining/placing range to its default value.
.speedhack [X] - Sets your speed to X.
.showPlayersUI - Toggles the new UI.
Sneak peek to the new UI:
https://imgur.com/a/b9U0YiL (Don't worry, names are not blurred like that in game).