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CombatLogX Port: Bossbar

by rcube

CombatLogX Port: Bossbar puts a combat timer on the screen of each player in a fight, using a bossbar that drains as the countdown runs.

FabricNeoForgeServer-side onlyGNU Lesser General Public License v3.0 onlyOpen source1.21.1 – 1.21.10

What it does

Once a player is hit by another player, a bossbar appears at the top of their screen showing the remaining combat time. The bar drains as the countdown runs, and each new hit that matches the current combat resets it to full. Server owners can change the bossbar's message, colour and style in the configuration, so the display can match the rest of the server's interface.

The mod is a port of the Boss Bar expansion that belongs to CombatLogX, and it needs the CombatLogX Port base mod to run. Because it is server-side only, only the server needs it installed, and players join without installing anything. Files are published for Fabric and NeoForge, covering 1.21.1 – 1.21.10 across 2 release versions, and the code is open source under the GNU Lesser General Public License v3.0 only.

Key features

  1. Combat timer bossbar

    A bossbar shows how much combat time is left for each player, updated as the timer counts down.

  2. Timer reset on hit

    A hit that matches the current combat resets the bossbar to its full length.

  3. Custom message

    The text shown on the bossbar can be changed to suit the server.

  4. Custom colour and style

    The bossbar colour and style can be set in the configuration.

Compatibility

Latest build for each game version and loader.

1.21.101.0.01.0.0
1.21.11.0.01.0.0
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

CP
CombatLogX PortA port of CombatLogX for Fabric and NeoForge, helping prevent players from avoiding combat by disconnecting while fighting.
Required

How it compares

Full comparison

Bossbar Tweaks is open source under the GNU General Public License v3.0 or later, is client-side only and is published for Fabric across 1.21.9 – 26.2. Warden Bossbar is a Fabric, Forge, NeoForge and Quilt mod for 1.20.3 – 1.20.6 is needed on the server, with the client optional, and it is not open source. Bossbar Config is client-side only, released under the MIT License and published for Fabric across 1.21.10 – 1.21.11, so it changes the bossbar on the player's own screen instead of on the server.

ModLoadersGame versionsEnvironmentUpdated
CombatLogX Port: BossbarFabric and NeoForge1.21.1 – 1.21.10Server-side only2026-08-19
Bossbar TweaksFabric1.21.9 – 26.2Client-side only2026-05-24
Warden BossbarFabric, Forge, NeoForge and Quilt1.20.3 – 1.20.6Server required, client optional2024-12-25
Bossbar ConfigFabric1.21.10 – 1.21.11Client-side only2026-03-25

Questions

Does CombatLogX Port: Bossbar need CombatLogX Port?

Yes. CombatLogX Port is the required dependency, and it must be installed on the server next to this mod.

Do players need to install CombatLogX Port: Bossbar?

No. Players join without it, since only the server has to run the mod.

Which loaders does CombatLogX Port: Bossbar support?

Files are published for Fabric and NeoForge, with 1.0.0 for 1.21.10 as the latest file on both loaders.

More from rcube

All projects
RFRiptide Fix (Multiplayer Safe)1.21.1 – 1.21.10CPCombatLogX Port1.21.1 – 1.21.10CPCombatLogX Port: End Crystal1.21.1 – 1.21.10CPCombatLogX Port: Action Bar1.21.1 – 1.21.10

What the author says

Displays combat timer information at the top of the player's screen.
rcube, on the Modrinth page

Official listing

Owner
rcube
Published
2026-08-07
Updated on Modrinth
2026-08-19
Facts verified
2026-10-15
Open on ModrinthCompare