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Items Stack
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Allows changing of item's max stack sizes.
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Required on the server. Installing it on the client adds functionality.
Must be installed on both the client and the server.
Varies by version.
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About
Description
Items Stack
Allows you to change the maximum stack size of any item in Minecraft.
Features
- Per-item stack size overrides
- Per-tag stack size overrides
- Exact item rules override tag rules
- Reset items or tags back to their default stack size
- In-game commands for editing, listing, saving, and reloading rules
- Stack sizes above 99
- Config editing through Mod Menu
- Server-only usage with vanilla clients for most normal inventory behavior
Requirements
- Fabric Loader
- Fabric API
- owo-lib
Mod Menu is recommended, but not required.
Configuration
The config file is:
config/items-stack-size-config.json5If Mod Menu is installed, you can edit the config through the generated config screen.
Rules are stored in a single list using this format:
item_or_tag=valueExamples:
minecraft:ender_pearl=64
minecraft:potion=16
#minecraft:boats=32To force an item or tag back to its normal Minecraft stack size, use:
defaultFor example:
minecraft:oak_boat=defaultExample config
{
"overrides": [
"minecraft:potion=8",
"minecraft:stone=32",
"#minecraft:boats=16",
"#c:tools=4"
]
}Rule Priority
Exact item rules always override tag rules.
For rules of the same type, later rules override earlier rules.
For example:
#minecraft:logs=64
minecraft:oak_log=32This gives:
minecraft:oak_loga maximum stack size of32- other items in
#minecraft:logsa maximum stack size of64
Commands
All commands require operator permission.
Set a rule
/itemsstack set <item|#tag> <count>Examples:
/itemsstack set minecraft:ender_pearl 128
/itemsstack set #minecraft:logs 96Remove a rule
/itemsstack remove <item|#tag>Removes the exact matching item or tag rule.
Reset to default
/itemsstack reset <item|#tag>Adds a default rule so the selected item or tag uses its normal stack size.
Clear rules
/itemsstack clear
/itemsstack clear items
/itemsstack clear tagsList rules
/itemsstack list
/itemsstack list items
/itemsstack list tags
/itemsstack list <page>You can also change how many rules are displayed per page for the current session:
/itemsstack list size
/itemsstack list size <count>Save config
/itemsstack saveSaves the current in-memory configuration to disk.
Reload config
/itemsstack reloadDiscards unsaved changes and reloads the configuration from disk.
Help
/itemsstack helpSaving Behavior
Changes made through commands or the Mod Menu config screen are applied immediately.
They are not automatically saved to disk.
Use:
/itemsstack saveto save them permanently.
Use:
/itemsstack reloadto discard unsaved changes and reload the saved config.
Compatibility
The mod is intended to be installed on both the client and server.
It can also be used server-side with vanilla clients for most normal inventory behavior.
Some client-side behavior, especially Creative inventory interactions and custom stack count rendering, requires the mod to also be installed on the client.
Notes
Items with different components, damage values, or other stack data are still kept separate according to normal Minecraft stacking rules.
Explicit per-stack MAX_STACK_SIZE component changes take priority over this mod's configuration.
Items Stack
Allows you to change the maximum stack size of any item in Minecraft.
Features
- Per-item stack size overrides
- Per-tag stack size overrides
- Exact item rules override tag rules
- Reset items or tags back to their default stack size
- In-game commands for editing, listing, saving, and reloading rules
- Stack sizes above 99
- Config editing through Mod Menu
- Server-only usage with vanilla clients for most normal inventory behavior
Requirements
- Fabric Loader
- Fabric API
- owo-lib
Mod Menu is recommended, but not required.
Configuration
The config file is:
config/items-stack-size-config.json5
If Mod Menu is installed, you can edit the config through the generated config screen.
Rules are stored in a single list using this format:
item_or_tag=value
Examples:
minecraft:ender_pearl=64
minecraft:potion=16
#minecraft:boats=32
To force an item or tag back to its normal Minecraft stack size, use:
default
For example:
minecraft:oak_boat=default
Example config
{
"overrides": [
"minecraft:potion=8",
"minecraft:stone=32",
"#minecraft:boats=16",
"#c:tools=4"
]
}
Rule Priority
Exact item rules always override tag rules.
For rules of the same type, later rules override earlier rules.
For example:
#minecraft:logs=64
minecraft:oak_log=32
This gives:
minecraft:oak_loga maximum stack size of32- other items in
#minecraft:logsa maximum stack size of64
Commands
All commands require operator permission.
Set a rule
/itemsstack set <item|#tag> <count>
Examples:
/itemsstack set minecraft:ender_pearl 128
/itemsstack set #minecraft:logs 96
Remove a rule
/itemsstack remove <item|#tag>
Removes the exact matching item or tag rule.
Reset to default
/itemsstack reset <item|#tag>
Adds a default rule so the selected item or tag uses its normal stack size.
Clear rules
/itemsstack clear
/itemsstack clear items
/itemsstack clear tags
List rules
/itemsstack list
/itemsstack list items
/itemsstack list tags
/itemsstack list <page>
You can also change how many rules are displayed per page for the current session:
/itemsstack list size
/itemsstack list size <count>
Save config
/itemsstack save
Saves the current in-memory configuration to disk.
Reload config
/itemsstack reload
Discards unsaved changes and reloads the configuration from disk.
Help
/itemsstack help
Saving Behavior
Changes made through commands or the Mod Menu config screen are applied immediately.
They are not automatically saved to disk.
Use:
/itemsstack save
to save them permanently.
Use:
/itemsstack reload
to discard unsaved changes and reload the saved config.
Compatibility
The mod is intended to be installed on both the client and server.
It can also be used server-side with vanilla clients for most normal inventory behavior.
Some client-side behavior, especially Creative inventory interactions and custom stack count rendering, requires the mod to also be installed on the client.
Notes
Items with different components, damage values, or other stack data are still kept separate according to normal Minecraft stacking rules.
Explicit per-stack MAX_STACK_SIZE component changes take priority over this mod's configuration.
Screenshots
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-
icon.png An example of changes to stack sizes.
-
Icon An example of changes to stack sizes.
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