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Sledgehammer

by LXGaming · for Minecraft

Smashes the stupid out of the client & server

98KDownloads
2 yr agoLast updated
Apache-2.0License
Forge · SpongeLoaders

About Sledgehammer

From Modrinth

Smashes the stupid out of the client & server

Sledgehammer utilises SpongePowered/Mixin to patch issues in Minecraft and Forge mods

Features

Client Patches

Common Patches

  • Prevent crashes due to invalid translation keys
  • Make LazyLoad Thread-safe (Should fix MC-68381
  • Server Patches
  • Print a single message instead of a stacktrace for advancement errors
  • Don't reload Advancements on World Load (Fixes Achievement issues on SkyFactory 4)
  • Fix NullPointerException in BiomeProvider::findBiomePosition
  • Prevent Grass turning into Dirt
  • Prevent Ice turning into Water
  • Prevent Totemic from changing the weather
  • Chunk Saving
  • Alert players when a chunk fails to save
  • Remove all Entities and TileEntities from chunks that fail to save
  • Remove all blacklisted items from chunks that fail to save
  • Generate a crash report and safely stops the server if a chunk fails to save
  • Reduce Network usage by postponing flush
  • Fix SpongePowered/SpongeCommon#2013
  • Redirect inventory debugging messages added by Sponge
  • Fix MC-134716 - Player kick exploit
  • Prevent or delete any items that attempt to teleport across dimensions
  • Limit books to 50 pages with 255 characters for each
  • Fix potential deadlock on shutdown
  • Prevent ConcurrentModificationException in PlayerChunkMap
  • Fix Item spawn packet exploit with ProjectRed
  • Fix P3pp3rF1y/Reliquary#370
  • Redirect Ruins debugging messages
  • Fix Daveyx0/PrimitiveMobs#59 (Sponge only)
  • Force permission check for OP based commands (Sponge only)
  • Fix Misty World portal issues (Sponge only)
  • Fix An-Sar/PrimalCore#210 (Fixed in 0.6.56 according to Dev) (Sponge only)
  • Prevent movement outside of the world border (Sponge only)
  • Prevent sending blank death messages (Sponge only)

Dependencies

The jar containing '-sponge' does not contain these dependencies as they are already present in a Sponge environment.

Highlights

From source data

Game versions

Built for Minecraft 1.12.2.

Loaders

Runs on Forge and Sponge.

Footprint

Rated a light load on a server.

What kind of mod it is

From the catalog
Listed on Modrinth as “Mods”

Gameplay & overhauls

New mechanics, content and overhauls that change how the game plays.

Works on a server

From source side support

Modrinth lists server-side support for Sledgehammer as optional: it can run on a server, but isn’t required there.

Compatibility

Game
Minecraft
Loaders
ForgeSponge
Runs on
Serveroptional on the server
Game versions
1.12.2

Verified at the source

  • ✓ModrinthOfficial listing, checked 2026-10-01Open ↗
  • ✓AuthorLXGaming, as published on Modrinth
  • ✓LicenseApache-2.0Free

Sledgehammer, answered

Generated from the mod’s own source data.

Do my players need to install Sledgehammer?

Modrinth lists server-side support for Sledgehammer as optional: it can run on a server, but isn’t required there.

Which loaders does it support?

Forge and Sponge.

Is it free?

Yes. Sledgehammer is free to download from Modrinth. Its license is Apache-2.0.

How do I add it to my Nxeon server?

Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

NxLabs

Run Sledgehammer on a Minecraft server.

Deploy in about a minute from $4.20 a month, then add Sledgehammer in one click.