Slashbridge
by Rox1000000
Slashbridge adds server-side commands that the base game lacks for bridging entities, timing, fire and player state, and it is built on Fabric for versions 1.21.3 – 1.21.4.
What it does
Slashbridge is a server-side utility that extends the command system with functions the vanilla game does not provide on its own. Its commands cover entity movement, health and hunger values, despawning without a kill, delayed and time-conditioned execution, fire control and a tag command. The author wrote it to ease work with their own datapacks and data-driven mods, and plans further server-side features.
Only the server needs the mod. Players join without installing anything, and clients see no difference. The Fabric build is released under the CC0 1.0 Universal license, which places the work in the public domain, and the project is not open source. Files cover 1.21.3 and 1.21.4, with 0.2.2+1.21.4 for 1.21.4 as the latest file, dated 2024-12-16 on the beta channel. The mod was first published on 2024-11-25.
Key features
Entity movement control
Entitymotion moves an entity smoothly and lets commands edit its current velocity in several ways.
Health, hunger and absorption
Entitystatus changes an entity's health, hunger and absorption through commands.
Silent despawning
Despawn removes entities without counting as a kill, so no items, experience or other drops appear.
Delayed and conditional commands
After runs a command once a set number of ticks has passed, and During runs it only in a chosen daytime, night or moon phase.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Timed events on a server
A server owner can chain a command to run after a delay, for example a kill command after 100 ticks.
Datapack authors
Pack makers who rely on the base command system can reach effects the vanilla commands do not expose.
Who it’s for: Server owners and datapack authors who want more command control on a Fabric server. Players only need a client if they wish to use the mod's server commands directly.
How it compares
Item command viewer is a client-side Fabric mod for 1.21.11 under the MIT License and is not open source, so it does not run on the server. Data Command is server-side only for 1.21.11 under the MIT License and is open source. Command on Interval is server-side only, open source under the Mozilla Public License 2.0, and covers 1.21 – 1.21.1.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Slashbridge | Fabric | 1.21.3 – 1.21.4 | Server-side only | 2024-12-16 |
| Item command viewer | Fabric | 1.21.11 | Client-side only | 2026-08-22 |
| Data Command | Fabric | 1.21.11 | Server-side only | 2026-06-17 |
| Command on Interval | Fabric | 1.21 – 1.21.1 | Server-side only | 2026-01-01 |
Questions
Does Slashbridge need to be installed on players' clients?
Which Minecraft versions does Slashbridge support?
In the catalog
Slashbridge is one of 3,514 Library mods on ModsFinder, and one of 2,348 Library mods for Fabric. 17,979 mods support Minecraft 1.21.4.
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What the author says
Slashbridge was started because there are functions that I was like "Really? You can't do that with commands?" In its current state it adds commands, but the plan is to expand it to other serverside features that will be used my own datapacks and data-driven mods, and hopefully yours too! Entitymotion allows you to…
Official listing
- Modrinth page
- modrinth.com/mod/slashbridge
- Owner
- Rox1000000
- Published
- 2024-11-25
- Updated on Modrinth
- 2024-12-16
- Facts verified
- 2026-10-15