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OneMace

OneMace

by mattwhyy • Downloads: 0 • Followers: 0
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OneMace

Download on Modrinth Download on GitHub

Tired of plugins that claim to fix multiple Maces—but don’t?

OneMace enforces a hard limit: players can have only one Mace. No bypasses. Period.

OneMace introduces a unique gameplay twist by limiting the entire server to a single Mace. No more spamming Maces—strategy and skill are key! Perfect for Lifesteal and competitive PvP servers that want to balance the game.

  • The plugin stores the crafted state in config.yml, so it remains saved across restarts.
  • The Mace recipe is re-enabled if the Mace is destroyed (e.g., lava, void, breaking).
  • Announcements for crafting & destruction can be enabled/disabled in config.yml.

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Configuration

Make sure the server is not running before making changes!

settings:
  mace-crafted: false  # Changes to true when the Mace is crafted.
  mace-owner: null  # Stores the UUID of the current owner, or null if no owner.
  announce-mace-messages: true  # If true, broadcasts when the Mace is crafted or lost.
  allow-locate-for-all: false # If true, allows any player to use the '/onemace locate' subcommand.
  colored-name: false # If true, the player that has the Mace will have a colored name.
  mace-name-color: "RED" # The color of the name, use Chat Colors.
  optional-allowed-containers: # Containers that the Mace is allowed to be placed into.
    - ENDER_CHEST
    - ANVIL
    - ENCHANTING

# Stores whether an offline player logged out with the Mace.
# If set to true, the Mace is in their inventory or Ender Chest when they logged out.
# Used to prevent crafting if the Mace still exists in an offline player’s possession.
# This is automatically updated when a player logs out or the server shuts down.
offline_inventory: {}

# Customizable messages
messages:
  crafted: "&b[OneMace] &eThe Mace has been crafted!"
  lost: "&b[OneMace] &eThe Mace has been lost!"

Commands

/onemace locate - Allows you to locate the Mace.

Required permission: onemace.admin

  • description: Allows using admin subcommands
  • default: op

/onemace fix - Allows you to remove duplicate Maces and only leave one.

Required permission: onemace.admin

  • description: Allows using admin subcommands
  • default: op

/onemace info - Basic information about the plugin.

Required permission: none

Setup

Put the jar file into your server's plugin folder.

Restart (or reload) the server!

Bypasses & Limitations

⚠️ Maces in unloaded chunks will NOT be detected. This is unfortunately unfixable due to how Minecraft works. It is up to you to detect and use the admin commands if you suspect there may be more than one Mace.

Otherwise, this plugin should work perfectly on a clean vanilla server.

Contact

If you find any vanilla bypass or just need help, feel free to contact me:

GitHub

Special Thanks

💙 Kamco0990 – The reason this plugin even exists.

All Versions

+ Add Version
Name Game version Platforms Published Downloads Actions
26.2 26.1.x 1.21.x
Bukkit Paper Purpur Spigot
23h ago 1
26.1.x 1.21.x
Bukkit Paper Purpur Spigot
23h ago 1
1.21.x
Bukkit Paper Purpur Spigot
23h ago 1
1.21.x
Bukkit Paper Purpur Spigot
23h ago 1
1.21.x
Bukkit Paper Purpur Spigot
23h ago 1
1.21.x
Bukkit Paper Purpur Spigot
23h ago 1
1.21.x
Bukkit Paper Purpur Spigot
23h ago 1
1.21.x
Bukkit Paper Purpur Spigot
23h ago 1
1.21.x
Bukkit Paper Purpur Spigot
23h ago 1
1.21.x
Bukkit Paper Purpur Spigot
23h ago 1
[1.08] OneMace 1.08 by mattwhyy on Oct 12, 2026
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### Added
  • Additional regression tests for Mace tracking and /onemace fix

### Fixed
  • Maces can no longer be placed inside **Bundles** to bypass container restrictions _(thanks to aboudybitar54 on GitHub)_
  • Maces can no longer be stored directly inside **Shelf blocks** when the container is not allowed _(thanks to aboudybitar54 on GitHub)_
  • /onemace fix no longer re-enables Mace crafting when the Mace is held by an **offline player** _(thanks to w0l5lol on GitHub)_
  • Duplicate cleanup now correctly removes Maces from inside **Bundles and nested block-item storage**
  • Updated to **Minecraft 26.2**
[1.07] OneMace 1.07 by mattwhyy on Oct 12, 2026
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### Added
  • Clickable [TELEPORT] text to /onemace locate results (OP or onemace.teleport permission)

### Fixed
  • /onemace locate and /onemace fix now detect Maces inside **Bundles** _(thanks to SUNNYVOID on GitHub)_
  • Race condition with AuthMe/Login plugins causing false "Mace does not exist" alerts _(thanks to RomanTNT on GitHub)_
  • Improved mace detection**, should handle edge cases better _(thanks to Reporter797 on GitHub)_
  • Updated to **Minecraft 26.1+**

### Planned
  • Support for **multiple** Maces, not just one
  • A possible solution for **unloaded chunk detection** (no promises though)
[1.06] OneMace 1.06 by mattwhyy on Oct 12, 2026
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### Fixed
  • Fixed being able to put the Mace on **Armor Stands** with arms
  • Fixed being able to put the Mace into **Item Frames** from the **Offhand** (thanks to JustAChickenDev on GitHub)
  • Fixed occasional log spam in the console due to colored name changes
  • Some performance improvements

### Planned
  • Support for **multiple** Maces, not just one
  • A possible solution for **unloaded chunk detection** (no promises though)
[1.05] OneMace 1.05 by mattwhyy on Oct 12, 2026
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### Added
  • Command **autocomplete**
  • Customizable **allowed containers**

### Fixed
  • Fixed being able to put the Mace inside **Bundles** (again)
  • Fixed weird behaviour when moving the Mace in the **Inventory**
  • Fixed the Mace disappearing while in **Creative**
  • Fixed issues with **Offhand and Number swapping**

### Planned
  • Support for **multiple** Maces, not just one
[1.04] OneMace 1.04 by mattwhyy on Oct 12, 2026
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### Fixed
  • The Mace not being able to be moved in the inventory sometimes, or when in Creative
  • The Mace being able to be put inside **Bundles**
  • Updated to 1.21.11
⚠️ **This is a Beta release, as I haven’t yet been able to fully verify the fixes. If you have the opportunity to test it, I’d greatly appreciate any feedback on its stability, please contact me on Discord. Once confirmed, it’ll be released as a stable version.**

### Fixed
  • The Mace not being able to be put into **Anvils, Enchant Tables, Ender Chests**
  • Updated to 1.21.10

### Removed
  • Removed the **allow-mace-in-containers** setting, made true by default
[1.03] OneMace 1.03 by mattwhyy on Oct 12, 2026
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Most of these are thanks to **@starmaster1** on Discord.
### Added
  • Config option settings.allow-mace-in-containers to control if the Mace can be placed in containers
  • Config option settings.colored-name and settings.mace-name-color for coloring the mace holder’s name via scoreboard team
  • Prevention for storing the Mace in **decorated pots**
  • Prevention for placing the Mace into **item frames**
  • Protection against **offhand swapping (F key)** to

### Fixed
  • Updated to 1.21.8
  • Closed multiple bypasses where players could move the Mace using:
  • Offhand slot while in containers
  • Item frames
  • Decorated pots

[1.02] OneMace 1.02 by mattwhyy on Oct 12, 2026
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### Fixed
  • Fixed most if not all NPEs (thanks to @waffliozz on Discord)
[1.01] OneMace 1.01 by mattwhyy on Oct 12, 2026
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### Added
  • Customizable broadcast messages (crafting, losing)
  • Updated to support 1.21.5

### Fixed
  • Prevented the Mace from being stored in colored bundles (thanks to @zmali on Discord)

### Changed
  • Project is now open-source
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