MBuild
A powerful, feature-rich building plugin for Minecraft servers.
Compatible with Minecraft 1.18 → 1.21.x (Spigot/Paper).
No WorldEdit required. No dependencies. Drop in and build.
✨ Feature
| Category |
Features |
| Selection |
Wand tool, pos1/pos2, expand, contract, info |
| Block Operations |
set, replace, walls, floor, ceil, box, hollow, smooth, drain |
| Shapes |
sphere, cylinder, pyramid, 3D Bresenham line |
| Terrain |
terrace, erode, overgrow, rubble, crumble |
| Clipboard |
copy, paste (-a), rotate (any angle), flip (x/y/z) |
| Movement |
stack, move |
| Brushes |
15 brush types — sphere, cyl, smooth, erode, melt, raise, lower, flatten, snow, gravity, paint, scatter, splatter, cliff, overlay |
| Masks |
#existing, #air, #solid, #liquid, #surface, #floor, material, !, %, noise(...) |
| Noise Masks |
Perlin, Simplex, Voronoi, Worley, Ridged, FBM — all with configurable scale + octaves |
| Patterns |
Single block, weighted mix (30%stone,70%dirt), BlockData (oak_log[axis=y]) |
| Global Mask |
/gmask — persistent mask applied to ALL operations |
| History |
Unlimited multi-level undo/redo per player (configurable) |
| Multilingual |
lang/en.yml + lang/fr.yml, fully customizable |
| Statistics |
/count, /distr — block distribution analysis |
? Quick Start
- Drop
MBuild.jar into your plugins/ folder
- Start your server —
plugins/MBuild/ is created automatically
- Run
/seltool to get your selection wand
- Left-click → Pos1, Right-click → Pos2
- Run
/set stone — you're building!
? Commands Overview
Selection
| Command |
Description |
/seltool |
Get the selection wand |
/selinfo |
Show current selection info |
/selexpand <n> [dir] |
Expand selection |
/selcontract <n> [dir] |
Contract selection |
/pos1 |
Set first position |
/pos2 |
Set second position |
Block Operations
| Command |
Description |
/set <pattern> [mask] |
Fill selection |
/replace <mask> <pattern> |
Replace matching blocks |
/walls <pattern> [mask] |
Fill 4 walls |
/floor <pattern> [mask] |
Fill floor |
/ceil <pattern> [mask] |
Fill ceiling |
/box <pattern> [mask] |
Hollow box outline |
/hollow [pattern] [mask] |
Clear interior |
/smooth [n] |
Smooth terrain |
/drain |
Remove water & lava |
/setdir <pattern> <len> [-r] |
Place in facing direction |
Shapes
| Command |
Description |
/sphere <pat> <r> [-h] |
Sphere at feet |
/cyl <pat> <r> <h> [-h] |
Cylinder at feet |
/pyramid <pat> <h> [-h] |
Pyramid at feet |
/line <pat> [mask] |
3D line pos1→pos2 |
Terrain
| Command |
Description |
/terrace <step> [pat] |
Quantize terrain into terraces |
/erode [n] [threshold] |
Remove isolated blocks |
/overgrow [density] [mat] |
Scatter vegetation |
/rubble [pat] [density] |
Noise-driven ruins |
/crumble <pct> [mask] |
Random block removal |
Clipboard
| Command |
Description |
/copy |
Copy selection |
/paste [-a] |
Paste at position (-a = skip air) |
/rotate <angle> |
Rotate any angle (45, 90, 135…) |
/flip <x\|y\|z> |
Flip clipboard |
Brushes
| Command |
Description |
/brush <type> <r> [opts] |
Bind brush to held item |
/brush info |
Show current brush |
/brush unbind |
Remove brush |
/brush list |
List all bound brushes |
Masks & Global Mask
| Command |
Description |
/gmask <mask> |
Set global mask for all ops |
/gmask reset |
Clear global mask |
Statistics
| Command |
Description |
/count |
Count block types in selection |
/distr |
Show block distribution % |
History
| Command |
Description |
/undo |
Undo last operation |
/redo |
Redo last operation |
? Brush Types
| Type |
Effect |
sphere |
Fill a sphere on right-click |
cylinder |
Fill a cylinder on right-click |
smooth |
Smooth terrain in brush radius |
erode |
Remove isolated blocks |
melt |
Drop overhanging blocks |
raise |
Raise surface by 1 block |
lower |
Remove top surface layer |
flatten |
Flatten to clicked Y level |
snow |
Add snow layers on surface |
gravity |
Drop blocks to ground |
paint |
Paint surface only (no digging) |
scatter |
Randomly scatter blocks |
splatter |
Noise-clustered block scatter |
cliff |
Snap heights to stair-steps |
overlay |
Paint N layers from surface down |
? Noise Masks
/gmask noise(perlin,0.05)>0.5 # perlin noise above 0.5
/set stone noise(simplex,0.08)<0.4 # simplex below 0.4
/set dirt noise(fbm,0.04,6)>0.45 # 6-octave FBM
/set gravel noise(voronoi,0.1)>0.6 # cracked rock pattern
/set stone noise(ridged,0.05,4)>0.7 # mountain ridges
/set cobblestone noise(worley,0.1)>0.5 # organic borders
| Type |
Best For |
perlin |
Natural terrain variation |
simplex |
Smooth detail, no axis artifacts |
voronoi |
Cracked stone, tiles |
worley |
Organic cell borders |
ridged |
Mountain ridges, peaks |
fbm |
Complex layered terrain |
? Mask Syntax
#existing — non-air blocks only
#air — air only
#solid — solid blocks
#liquid — water or lava
#surface — exposed top surface
#floor — air above, solid below
!stone — everything except stone
stone;dirt — stone OR dirt (semicolon = OR)
#existing,!stone — existing AND not stone (comma = AND)
%50 — random 50% of blocks
noise(perlin,0.05)>0.5
? Pattern Syntax
stone — single block
30%stone,70%dirt — random weighted mix
oak_log[axis=y] — with block data
50%stone,30%cobblestone,20%andesite
⚙️ Configuration (config.yml)
language: en # en, fr, or custom
max-history-size: 15 # undo steps per player
max-blocks-per-operation: 0 # 0 = unlimited
selection-particles: true
? Adding a Language
- Create
plugins/MBuild/lang/de.yml (copy from en.yml)
- Translate all values
- Set
language: de in config.yml
- Reload the server
? Permissions
| Permission |
Description |
Default |
mbuild.* |
All permissions |
op |
mbuild.selection |
Selection tools |
op |
mbuild.set |
/set |
op |
mbuild.replace |
/replace |
op |
mbuild.shape |
/sphere /cyl /pyramid /line |
op |
mbuild.terrain |
/erode /overgrow /rubble etc. |
op |
mbuild.brush |
/brush |
op |
mbuild.gmask |
/gmask |
op |
mbuild.info |
/count /distr |
op |
mbuild.copy |
/copy |
op |
mbuild.paste |
/paste |
op |
mbuild.clipboard |
/rotate /flip |
op |
mbuild.undo |
/undo |
op |
mbuild.redo |
/redo |
op |
⚠️ Compatibility
- Minecraft: 1.18 – 1.21.x
- Server: Spigot, Paper, Purpur
- Java: 8+
- WorldEdit: Not required. Can coexist (no conflicts).
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