MC Toolkit / Commands / Advanced Command Builder — Control & Debug

Advanced Command Builder — Control & Debug

Build return, random, trigger, datapack, debug, tick, test and target-selector commands from a form.

Run these from an operator’s chat, a command block, or a function file. Stopwatch and Fetchprofile are newer commands — check availability on your Minecraft version.

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Bossbars and titles: persistent state, timings, and the value/max split

A bossbar survives restarts and a title does not. Here is the create-then-modify pattern, the fade timings people set backwards, and how to drive a progress bar.