A few additions make collecting materials and finishing builds more convenient. These are the features listed in the server’s supplied inventory.
Timber
Timber is always enabled. Break a log with an axe to fell the whole tree.
Hold Shift (sneak) while breaking to remove just one block instead of the whole tree.
Each block broken counts as a separate durability use on the axe. Unbreaking applies to each use as normal, so it can reduce the durability lost.
Fast leaf decay
Once a survival tree is mined, its leaves decay much faster. There is no player command needed for the normal effect.
Cauldron concrete
Fill a cauldron with water, then drop concrete powder into it to harden the powder into concrete. Simply holding the powder and clicking is not enough.



Cauldron mud
Drop dirt into a water-filled cauldron to turn it into mud.



More effective tools
This pack gives appropriate mining tools to additional blocks. Examples from the author include using a pickaxe on glass and an axe on cactus. Blocks deliberately designed without an effective tool are excluded; the examples given include powder snow, reinforced deepslate, and vaults.
An effective mining tool does not by itself guarantee that a block drops an item. Enchantment and normal drop requirements still matter.
KleeSlabs
When breaking a double slab, aim at the half you want to remove. KleeSlabs allows that half to be broken without removing the other half. This is separate from the Double Slabs crafting tweak.
Useful next pages
The changed stair and trapdoor recipes are useful when gathering materials for a build:






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12- Crafting tweaks for better building yields and reclaiming blocks.
- Chunk loaders for the loadstone feature.
- Heads & collectibles for mini-block decoration.
Sources
- Official Vanilla Tweaks 26.3 descriptions: Timber 2.1.22, Fast Leaf Decay 2.0.23, Cauldron Concrete 3.1.2, Cauldron Mud 1.0.11, and More Effective Tools 1.0.12.
- KleeSlabs — Twelve Iterations.