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
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menu_bookDocumentation
May 4, 2026

s&box Input System: Down, Pressed, Released, AnalogLook, AnalogMove, Input Contexts, and Suppression

s&box Input System: Actions, Contexts, and How Input State Works The s&box static class provides all player input querying. Actions are defined in the project's…

codeAPI Reference
May 12, 2026

s&box ToolAction: Toolgun input binding

ToolAction Enums and ToolActionEntry API Reference ToolInput, InputMode, and ToolActionEntry are used by the toolgun system to bind actions to input slots with …

menu_bookDocumentation
May 4, 2026

Component Marker Interfaces: ExecuteInEditor, DontExecuteOnServer, IDamageable, INetworkSpawn, IPressable, INetworkVisible

Component Marker Interfaces: ExecuteInEditor, DontExecuteOnServer, IDamageable, INetworkSpawn, IPressable s&box uses marker interfaces nested inside the class t…

terminalCode Example
May 3, 2026

Input Handling Code Examples

Input Handling Code Examples Comprehensive input examples covering buttons, analog sticks, mouse, controller, and VR input. Default Input Actions

menu_bookDocumentation
May 4, 2026

Sandbox: Map entities — Door, Button, FuncMover, TriggerPush, TriggerTeleport

Sandbox Map Entities — Door, Button, FuncMover, TriggerPush, TriggerTeleport These components implement interactive map elements. They live in the namespace and…

codeAPI Reference
May 12, 2026

s&box ClientInput: Input scope for controlled objects

Client input scope struct for routing input to controlled objects. Used by ControlSystem to redirect player input during chair/vehicle control. Static Propertie…

codeAPI Reference
May 12, 2026

s&box EmitMode: Emitter firing mode

EmitMode Enum API Reference EmitMode is an enum that defines how an emitter fires - either toggling on/off with a press, or emitting only while input is held do…

codeAPI Reference
May 12, 2026

EmitMode enum

EmitMode Enum Controls how an emitter triggers when controlled via player input in s&box. Values Toggle Press once to turn on, press again to turn off. Hold Emi…

menu_bookDocumentation
May 5, 2026

Input - s&box Gameplay Documentation

Input s&box provides a comprehensive input system that handles keyboard, mouse, and gamepad input. The input system uses named actions defined in your project s…

menu_bookDocumentation
May 5, 2026

Editor Shortcuts - s&box Editor Documentation

Editor Shortcuts Custom keyboard shortcuts make your editor tools more efficient. Shortcuts can be bound globally or to specific widgets. Creating a Static Shor…

menu_bookDocumentation
May 5, 2026

Mapping - s&box Editor Documentation

Mapping s&box includes Hammer, the Source 2 level editor, for creating maps and environments. Build worlds with brushes, props, lighting, and gameplay entities.…

codeAPI Reference
May 12, 2026

s&box DynamiteEntity: Explosive entity

DynamiteEntity Component API Reference DynamiteEntity is a Component that implements IPlayerControllable and IDamageable for an explosive entity. It can be trig…

codeAPI Reference
May 12, 2026

s&box DroppedWeapon: Weapon pickup

DroppedWeapon Component API Reference DroppedWeapon handles weapon pickup when a weapon is dropped in the world. Implements IPressable for interaction and Playe…

terminalCode Example
May 4, 2026

Sandbox: ControlSystem — vehicle seat and contraption control with IPlayerControllable

ControlSystem — Vehicle Seat and Contraption Control is a that drives components on contraptions. When a player sits in a , the system walks the connected contr…

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…

codeAPI Reference
May 3, 2026

Sandbox.Log

Sandbox.Log Static logging class for console output. Overview Log messages appear in the editor console, in-game console (press ), and log files. Logging Method…

menu_bookDocumentation
May 20, 2026

Creating Terrain: Heightmap Setup, World Scale, and Asset Reuse

To add Terrain to your s&box scene, right-click in the Hierarchy and select 3D Object → Terrain. The inspector prompts you to create, import, or link an existin…

menu_bookDocumentation
May 5, 2026

Reporting Errors - s&box Documentation

Reporting Errors How to report bugs and issues with s&box. Issue Tracker Report bugs on the s&box issue tracker: Search existing issues first Create a new issue…

menu_bookDocumentation
May 5, 2026

Testing Multiplayer - s&box Networking Documentation

Testing Multiplayer s&box provides tools for testing multiplayer locally without needing multiple computers or Steam accounts. New Instance Launch a second game…

menu_bookDocumentation
May 20, 2026

ISceneStartup: Scene Initialization Events for Host and Client Setup

The event interface in s&box allows Components and GameObjectSystems to listen to scene startup events. These run when pressing play in editor, loading a game, …