s&box MCP Knowledgebase

Documentation, API references, code examples and community knowledge for s&box development.

library_books 595 entries menu_book 352 Documentation code 133 API Reference terminal 100 Code Example groups 10 Community
Results for "var go = new GameObject();" 38 results closeClear
menu_bookDocumentation
May 4, 2026

Scene.Push(), BatchGroup(), FindInPhysics, and FindAllWithTag — Scene Context Management

Scene.Push() and Scene.BatchGroup(): Scene Context Management Scene.Push() makes a scene the active scene for the duration of a scope. This is required when cre…

terminalCode Example
May 12, 2026

UndoSystem: Per-player undo functionality

UndoSystem: Per-Player Undo Functionality This example shows the UndoSystem which provides per-player undo stacks for tracking spawned objects and allowing play…

terminalCode Example
May 4, 2026

Sandbox: UndoSystem — per-player undo stack with bounded history (128 steps)

UndoSystem — Per-Player Undo Stack The is a that maintains a per-player undo stack. Each entry holds a set of s that get destroyed when the undo is triggered. U…

codeAPI Reference
May 3, 2026

LinkedGameObjectBuilder for Finding Connected Objects

LinkedGameObjectBuilder Utility class for building a set of connected GameObjects by traversing physics joints, constraints, and manual links. Class Definition …

codeAPI Reference
May 3, 2026

BaseConstraintToolMode for Constraint Tools

BaseConstraintToolMode Abstract Class Base class for two-stage constraint tools (weld, rope, elastic, etc.) with selection point handling. Class Overview Contro…

terminalCode Example
May 3, 2026

CleanupSystem Pattern for Map Reset and Scene Management

CleanupSystem - Scene State Management and Map Cleanup A that captures the baseline scene state and allows resetting the map to its original state. Removes spaw…

terminalCode Example
May 12, 2026

CleanupSystem: Map reset and baseline restoration

CleanupSystem: Map Reset and Baseline Restoration This example shows the CleanupSystem which tracks the baseline scene state and allows resetting the map to its…

terminalCode Example
May 4, 2026

Sandbox: BaseConstraintToolMode — two-stage constraint creation with IToolActionEvents

BaseConstraintToolMode — Two-Stage Constraint Creation Pattern is the base for all two-point constraint tools (Weld, Rope, BallSocket, Elastic, Hydraulic, NoCol…

menu_bookDocumentation
May 5, 2026

GameObject - s&box Documentation

GameObject A GameObject is the fundamental building block of scenes in s&box. GameObjects have a transform (position, rotation, scale), can have parents and chi…

codeAPI Reference
May 3, 2026

ToolMode SelectionPoint and Trace Helpers

ToolMode.SelectionPoint and Trace Helpers Helper methods and data structures for toolgun selection and placement. SelectionPoint Struct Trace Methods Placement …

menu_bookDocumentation
May 4, 2026

GameObject.Clone: Two-Pass Cloning, CloneConfig, NotCloned Flag, and Reference Rewiring

GameObject.Clone: Spawning Prefabs and Cloning GameObjects with CloneConfig is the primary way to instantiate prefabs and duplicate GameObjects in s&box. It per…

terminalCode Example
May 3, 2026

NPC Ragdoll Creation with Clothing Preservation

NPC Ragdoll Creation with Clothing Pattern for creating ragdolls from NPCs including clothing preservation and bone merging. Key APIs **** — copies model, mater…

menu_bookDocumentation
May 20, 2026

Cheat Sheet: Quick Reference for s&box GameObjects, Components, and Debugging

Quick reference for common s&box operations across debugging, transforms, GameObjects, and Components. Debugging Transforms GameObjects Components

menu_bookDocumentation
May 3, 2026

s&box Cheat Sheet

s&box Cheat Sheet Quick reference for common s&box operations. Debugging Transforms GameObjects Components Input Networking

terminalCode Example
May 20, 2026

Code Cheat Sheet: Quick Reference for GameObjects, Components, and Transforms

Quick reference for common s&box operations covering debugging, transforms, GameObjects, and Components. Useful when you know what you want to do but not the ex…

menu_bookDocumentation
May 5, 2026

Undo System - s&box Editor Documentation

Undo System The undo system allows you to make editor actions reversible. Users can press Ctrl+Z to undo changes made by your tools. Scope Based Undo Create an …

terminalCode Example
May 4, 2026

Sandbox: Ownable component — prop protection with IPhysgunEvent and IToolgunEvent

Ownable Component — Prop Protection and Physgun/Toolgun Access Control The component tracks which spawned a . It implements and to enforce ownership checks when…

codeAPI Reference
May 3, 2026

ToolMode Base Class for Toolgun Modes

ToolMode Base Class Abstract base class for creating toolgun modes in s&box. Handles input registration, action dispatch, and HUD rendering. Class Overview Acti…

menu_bookDocumentation
May 3, 2026

Undo System

Undo System Implement undo/redo functionality in editor tools. Basic Scope Capturing GameObject Changes GameObjectUndoFlags Capturing Creations Capturing Destru…

terminalCode Example
May 4, 2026

Sandbox: ISpawner interface — custom spawner pattern with ISpawnEvents

ISpawner Interface — Custom Spawner Pattern The interface defines the contract for anything that can be spawned via the spawn menu. Implementations include , , …