M0-Dev-Tools

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M0-Dev-Tools

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M0-Dev Tools is a client-side Fabric toolbox for Minecraft modders, builders, and technical players.

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Available Platforms

CurseForge logo CurseForge Modrinth logo Modrinth

Compatibility

Supported Environments

Dev Environment
Client Required
Server Optional

About

Project Details

Type
Mod
License
MIT License
Latest Version
M0-DevTools-j21-mc1.21.11-1.3.0-BETA.jar
Authors
CurseForge
Modrinth

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Platform IDs

CurseForge ID
Modrinth ID

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About

Description

M0-Dev Tools

M0-Dev Tools is a client-side Fabric toolbox for Minecraft modders, builders, and technical players. It bundles overlays, HUDs, movement helpers, macros, scripting, and debugging tools into one mod.

Certain modules such as X-Ray, Freecam will require the mod to be installed on the server as well.

It was meant to be a personal project, but I decided to release it for public.

Feature overview

Visual overlays & inspectors

  • Light level overlay - Shows light levels on blocks to help with mob spawning prevention
  • Redstone power overlay - Visualizes redstone power levels and updates
  • Redstone dust update order / BUD overlay - Shows the order of redstone dust updates and BUD mechanics
  • Slime chunk overlay - Highlights slime chunks for easy location identification
  • Biome border overlay - Displays biome boundaries
  • Chunk border overlay - Shows chunk borders for navigation and building
  • Structure bounding box overlay - Visualizes structure bounding boxes
  • Command block overlay - Shows command block information and commands
  • Block inspector / WAILA-style block text - Displays detailed block information on hover
  • NBT info HUD - Shows NBT data as an on-screen overlay/HUD
  • NBT tooltips - Displays NBT information in item tooltips
  • Shulker preview tooltips - Preview shulker contents on hover
  • Entity radar / entity list - Shows nearby entities with distance and information
  • Entity health bars - Displays health bars above entities
  • Item pickup notifier - Announces when items are picked up
  • Mob drops tracker - Tracks and displays mob drops with statistics (kills, items per minute, unique items)
  • Mob AI visualizer - Shows mob AI goals and behaviors currently active
  • ClickHUD - Interactive HUD for quick access to modules

Building, movement & utility tools

  • Xray - Shows specified blocks through walls and terrain
  • Instant break - Breaks blocks instantly without mining animation
  • Fast block placement - Places blocks at maximum speed
  • Reach - Extends player reach distance for blocks and entities
  • Inventory move - Allows moving items in inventory while holding items
  • Mouse Tweaks support - Integration with Mouse Tweaks mod for enhanced mouse controls
  • Bridging tweaks - Assists with bridge building (snapping, torch placement, slab assist, replaceable targets)
  • Fullbright - Illuminates dark areas for better visibility
  • Held light - Provides light from held items
  • Zoom - Zooms in for better precision and long-distance viewing
  • Freecam - Move camera independently of player body
  • Quick teleport - Quick teleportation to waypoints and locations
  • Waypoints - Place and manage waypoints for navigation
  • Hunger tweaks - Modifies hunger-related behavior (saturation preservation, no-sprint on low hunger, etc.)
  • Dynamic FPS - Adjusts frame rate based on window focus for performance
  • HUD tweaks - Customize HUD elements visibility and appearance
  • WorldEdit - Basic WorldEdit integration with /draw companion command

Chat & workflow helpers

  • Secondary chat - Advanced chat system with:
    • Addon/replacement render modes for vanilla chat
    • Draggable multi-window custom chat
    • Tab organization with per-tab regex routing
    • Unread message indicators
    • Timestamps
    • Compact repeated message display
    • Message selection and interaction features
    • Customizable window management
  • Command history - Browse and execute previously used commands
  • Message history - Access and search message history
  • Longer chat history - Extended chat message retention
  • Better command block UI - Enhanced command block editor interface
  • UI utilities - Advanced screen utilities:
    • Packet send/delay functionality
    • Save/restore GUI state
    • De-sync screens
    • Close windows without sending packets
    • Copy GUI title JSON
    • In-GUI command/message input field

Macros, scripting & automation

  • Macro manager - Create and manage macros with keybind workflows
  • Macro workbench canvas - Visual editor for macro creation
  • Macro workbench keyboard layout - Configure keyboard layouts for macro execution
  • Macro placeholders - Use dynamic placeholders in macros with provider extension points
  • Script execution - Support for multiple scripting languages:
    • Groovy (.groovy)
    • Kotlin (.kts)
    • JavaScript (.js)
  • In-game script editor - Edit and test scripts directly in-game
  • Rule-based automation engine - Advanced automation with /automation command for:
    • Event-based triggers
    • Conditional actions
    • Module toggling
  • Action runner - Execute queued client actions:
    • Item use, offhand use, left click
    • Sneak, jump, drop
    • Command execution
    • Offhand swapping
    • Hotbar slot selection
    • Customizable delays between actions

Debugging & admin tools

  • /draw shape/debug rendering - Draw custom shapes for debugging:
    • Lines, boxes, circles, cylinders, spheres
    • Selection outlines
    • Saved shapes with persistence
    • Shape management (list, remove, clear)
    • Save/load shape collections
    • Interactive shape UI
  • /getdata block/entity inspector - Inspect and edit:
    • Block NBT data and properties
    • Entity NBT data and attributes
    • Item components and data
    • Real-time data editing
    • Data browser interface
  • /itemdata item component inspector - Advanced item component inspection and editing with:
    • Component metadata and descriptions
    • Type hints and validators
    • Component examples and templates
    • Visual component editor
  • Watson/CoreProtect tracker - Visualize CoreProtect data with:
    • Watson-style visualization
    • Tracer rendering
    • Vector visualization
    • TTL controls for data fade
    • Synthetic test data for testing
    • Teleport helpers for investigating edits
    • Entry search and filtering

Tweaks module

Customizable behavior modifications:

  • Particle tweaks - Hide own effect particles
  • Rendering tweaks - Hide offhand item, disable block breaking particles, hide entity rendering
  • Environmental tweaks - Disable Nether fog, disable rain effects
  • Audio tweaks - Disable sounds
  • Movement tweaks - Disable wall-unsprint behavior, angel block placement
  • Permanent toggles - Permanent sneak and sprint
  • Camera tweaks - Disable hurt camera shake, disable view bobbing
  • Performance tweaks - Disable render distance fog

Block & Building utilities

  • Block scanner - Scan for specific blocks with customizable search patterns
  • Convenience commands - Utility commands for common tasks
  • Math evaluator - Execute mathematical expressions with /math command

Scripting

Open the scripting module with , (default) keybind.

Groovy: give yourself a diamond sword

import net.minecraft.item.Items
import net.minecraft.item.ItemStack

player.giveItemStack(new ItemStack(Items.DIAMOND_SWORD))

"Gave you a diamond sword!"

Kotlin: spawn particles around the player

import net.minecraft.particle.ParticleTypes
import kotlin.math.cos
import kotlin.math.sin

val particleManager = client.particleManager

for (i in 0 until 20) {
    val angle = Math.toRadians(i * (360.0 / 20))
    val x = player.x + cos(angle) * 1.5
    val y = player.y + 1.0
    val z = player.z + sin(angle) * 1.5

    particleManager.addParticle(
        ParticleTypes.HAPPY_VILLAGER,
        x, y, z,
        0.0, 0.1, 0.0
    )
}

"Spawned"

M0-Dev Tools

M0-Dev Tools is a client-side Fabric toolbox for Minecraft modders, builders, and technical players. It bundles overlays, HUDs, movement helpers, macros, scripting, and debugging tools into one mod.

Certain modules such as X-Ray, Freecam will require the mod to be installed on the server as well.

It was meant to be a personal project, but I decided to release it for public.

Feature overview

Visual overlays & inspectors

  • Light level overlay - Shows light levels on blocks to help with mob spawning prevention
  • Redstone power overlay - Visualizes redstone power levels and updates
  • Redstone dust update order / BUD overlay - Shows the order of redstone dust updates and BUD mechanics
  • Slime chunk overlay - Highlights slime chunks for easy location identification
  • Biome border overlay - Displays biome boundaries
  • Chunk border overlay - Shows chunk borders for navigation and building
  • Structure bounding box overlay - Visualizes structure bounding boxes
  • Command block overlay - Shows command block information and commands
  • Block inspector / WAILA-style block text - Displays detailed block information on hover
  • NBT info HUD - Shows NBT data as an on-screen overlay/HUD
  • NBT tooltips - Displays NBT information in item tooltips
  • Shulker preview tooltips - Preview shulker contents on hover
  • Entity radar / entity list - Shows nearby entities with distance and information
  • Entity health bars - Displays health bars above entities
  • Item pickup notifier - Announces when items are picked up
  • Mob drops tracker - Tracks and displays mob drops with statistics (kills, items per minute, unique items)
  • Mob AI visualizer - Shows mob AI goals and behaviors currently active
  • ClickHUD - Interactive HUD for quick access to modules

Building, movement & utility tools

  • Xray - Shows specified blocks through walls and terrain
  • Instant break - Breaks blocks instantly without mining animation
  • Fast block placement - Places blocks at maximum speed
  • Reach - Extends player reach distance for blocks and entities
  • Inventory move - Allows moving items in inventory while holding items
  • Mouse Tweaks support - Integration with Mouse Tweaks mod for enhanced mouse controls
  • Bridging tweaks - Assists with bridge building (snapping, torch placement, slab assist, replaceable targets)
  • Fullbright - Illuminates dark areas for better visibility
  • Held light - Provides light from held items
  • Zoom - Zooms in for better precision and long-distance viewing
  • Freecam - Move camera independently of player body
  • Quick teleport - Quick teleportation to waypoints and locations
  • Waypoints - Place and manage waypoints for navigation
  • Hunger tweaks - Modifies hunger-related behavior (saturation preservation, no-sprint on low hunger, etc.)
  • Dynamic FPS - Adjusts frame rate based on window focus for performance
  • HUD tweaks - Customize HUD elements visibility and appearance
  • WorldEdit - Basic WorldEdit integration with /draw companion command

Chat & workflow helpers

  • Secondary chat - Advanced chat system with:
    • Addon/replacement render modes for vanilla chat
    • Draggable multi-window custom chat
    • Tab organization with per-tab regex routing
    • Unread message indicators
    • Timestamps
    • Compact repeated message display
    • Message selection and interaction features
    • Customizable window management
    • Command history - Browse and execute previously used commands
    • Message history - Access and search message history
    • Longer chat history - Extended chat message retention
    • Better command block UI - Enhanced command block editor interface
    • UI utilities - Advanced screen utilities:
      • Packet send/delay functionality
      • Save/restore GUI state
      • De-sync screens
      • Close windows without sending packets
      • Copy GUI title JSON
      • In-GUI command/message input field

Macros, scripting & automation

  • Macro manager - Create and manage macros with keybind workflows
  • Macro workbench canvas - Visual editor for macro creation
  • Macro workbench keyboard layout - Configure keyboard layouts for macro execution
  • Macro placeholders - Use dynamic placeholders in macros with provider extension points
  • Script execution - Support for multiple scripting languages:
    • Groovy (.groovy)
    • Kotlin (.kts)
    • JavaScript (.js)
    • In-game script editor - Edit and test scripts directly in-game
    • Rule-based automation engine - Advanced automation with /automation command for:
      • Event-based triggers
      • Conditional actions
      • Module toggling
    • Action runner - Execute queued client actions:
      • Item use, offhand use, left click
      • Sneak, jump, drop
      • Command execution
      • Offhand swapping
      • Hotbar slot selection
      • Customizable delays between actions

Debugging & admin tools

  • /draw shape/debug rendering - Draw custom shapes for debugging:
    • Lines, boxes, circles, cylinders, spheres
    • Selection outlines
    • Saved shapes with persistence
    • Shape management (list, remove, clear)
    • Save/load shape collections
    • Interactive shape UI
    • /getdata block/entity inspector - Inspect and edit:
      • Block NBT data and properties
      • Entity NBT data and attributes
      • Item components and data
      • Real-time data editing
      • Data browser interface
    • /itemdata item component inspector - Advanced item component inspection and editing with:
      • Component metadata and descriptions
      • Type hints and validators
      • Component examples and templates
      • Visual component editor
    • Watson/CoreProtect tracker - Visualize CoreProtect data with:
      • Watson-style visualization
      • Tracer rendering
      • Vector visualization
      • TTL controls for data fade
      • Synthetic test data for testing
      • Teleport helpers for investigating edits
      • Entry search and filtering

Tweaks module

Customizable behavior modifications:

  • Particle tweaks - Hide own effect particles
  • Rendering tweaks - Hide offhand item, disable block breaking particles, hide entity rendering
  • Environmental tweaks - Disable Nether fog, disable rain effects
  • Audio tweaks - Disable sounds
  • Movement tweaks - Disable wall-unsprint behavior, angel block placement
  • Permanent toggles - Permanent sneak and sprint
  • Camera tweaks - Disable hurt camera shake, disable view bobbing
  • Performance tweaks - Disable render distance fog

Block & Building utilities

  • Block scanner - Scan for specific blocks with customizable search patterns
  • Convenience commands - Utility commands for common tasks
  • Math evaluator - Execute mathematical expressions with /math command

Scripting

Open the scripting module with , (default) keybind.

Groovy: give yourself a diamond sword

import net.minecraft.item.Items
import net.minecraft.item.ItemStack

player.giveItemStack(new ItemStack(Items.DIAMOND_SWORD))

"Gave you a diamond sword!"

Kotlin: spawn particles around the player

import net.minecraft.particle.ParticleTypes
import kotlin.math.cos
import kotlin.math.sin

val particleManager = client.particleManager

for (i in 0 until 20) {
    val angle = Math.toRadians(i * (360.0 / 20))
    val x = player.x + cos(angle) * 1.5
    val y = player.y + 1.0
    val z = player.z + sin(angle) * 1.5

    particleManager.addParticle(
        ParticleTypes.HAPPY_VILLAGER,
        x, y, z,
        0.0, 0.1, 0.0
    )
}

"Spawned"

Screenshots

Gallery

  • Base Overview
    Base Overview Base Overview
  • Canvas
    Canvas Canvas
  • Scripting
    Scripting Scripting
  • SNBT Editor
    SNBT Editor SNBT Editor
  • Base Overview
    Base Overview
  • Canvas
    Canvas
  • Scripting
    Scripting
  • SNBT Editor
    SNBT Editor

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