Mousie Builder Toolkit
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Mousie Builder Toolkit adds a set of powerful yet easy-to-use tools that make building easier and give you the freedom to create without the usual limitations.
Includes quality of life improvements and small tweaks to enhance and customize gameplay.
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
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Description
Mousie Builder Toolkit is a Fabric mod designed for builders who enjoy precise, flexible, and slightly impossible construction.
Hold Left Alt (default keybind: Open Toolkit) to open Mousie’s menu, then hover over each button for a short description. The mod introduces tools that extend vanilla Minecraft building rules, allowing block placement and editing beyond normal limitations.
The mod works in both single-player and multiplayer. On servers, it must be installed on both client and server, and players require operator permissions to access the full toolkit. Without OP, the menu can still be opened, but tools remain locked.
Current Tools 
- Still Paws – Prevents block updates, physics, fluid ticks, growth ticks, and scheduled block reactions.
- Cheese Logic – Allows block placement without normal support or placement restrictions.
- Extend Tail – Extends block interaction range with selectable distances.
- Ruffled Fur – Adjusts flight speed in Creative and Spectator modes.
- Moon Sight – Toggles Night Vision and detects existing effects from potions or commands.
- Gamemode Buttons – Quickly switch between Survival, Creative, Spectator, and Adventure.
- Cheese Guard, Glowbug & Tweak Stick – Instantly equips or selects Barrier, Light, and Debug Stick items.
More tools and buttons will be added in future updates. Mousie is still conducting experiments that may or may not be safe for block physics.
⚙ Controls: The menu key can be changed in Minecraft controls: Options → Controls → Key Binds → Mousie Builder Toolkit → Open Toolkit. If Mod Menu is installed, keybinds can also be configured through the mod’s settings screen.
License 
This mod is provided for free. It may be used in single-player and multiplayer servers, including modpacks, as long as it is not sold or redistributed as a standalone file.
📬 Feedback
Found a bug or have an idea for a new tool? I'd love to hear your feedback! Please send bug reports and feature suggestions in the comments or at [email protected].
Mousie Builder Toolkit is a Fabric mod designed for builders who enjoy precise, flexible, and slightly impossible construction.
Hold Left Alt (default keybind: Open Toolkit) to open Mousie’s menu, then hover over each button for a short description. The mod introduces tools that extend vanilla Minecraft building rules, allowing block placement and editing beyond normal limitations.
The mod works in both single-player and multiplayer. On servers, it must be installed on both client and server, and players require operator permissions to access the full toolkit. Without OP, the menu can still be opened, but tools remain locked.
Current Tools
- Still Paws – Prevents block updates, physics, fluid ticks, growth ticks, and scheduled block reactions.
- Cheese Logic – Allows block placement without normal support or placement restrictions.
- Extend Tail – Extends block interaction range with selectable distances.
- Ruffled Fur – Adjusts flight speed in Creative and Spectator modes.
- Moon Sight – Toggles Night Vision and detects existing effects from potions or commands.
- Gamemode Buttons – Quickly switch between Survival, Creative, Spectator, and Adventure.
- Cheese Guard, Glowbug & Tweak Stick – Instantly equips or selects Barrier, Light, and Debug Stick items.
Spoiler
More tools and buttons will be added in future updates. Mousie is still conducting experiments that may or may not be safe for block physics.
⚙ Controls: The menu key can be changed in Minecraft controls: Options → Controls → Key Binds → Mousie Builder Toolkit → Open Toolkit. If Mod Menu is installed, keybinds can also be configured through the mod’s settings screen.
License
This mod is provided for free. It may be used in single-player and multiplayer servers, including modpacks, as long as it is not sold or redistributed as a standalone file.
📬 Feedback
Found a bug or have an idea for a new tool? I'd love to hear your feedback! Please send bug reports and feature suggestions to [email protected]
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in-game menu Hold the toolkit key to open Mousie’s menu, then hover and click to activate a button.
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in-game menu Hold the toolkit key to open Mousie’s menu, then hover and click to activate a button.
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