Bossbar Command Generator
Generate Minecraft /bossbar commands to create custom boss bars and set their name, color, style, progress, and which players can see them.
First, use bossbar add to create a boss bar, then bossbar set to configure players (who can see it), value/max (progress), color, and style. Boss bars aren't displayed automatically; you must set players.
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Boss bar commands:/bossbar add mybar "倒计时" creates it,/bossbar set mybar players @a shows it to all players,/bossbar set mybar value 50 sets the progress.