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
menu_bookDocumentation
May 5, 2026

Console Variables - s&box Documentation

Official s&box documentation for Console Variables (ConVar) and Console Commands (ConCmd). ConVar creates variables that can be modified through the console and…

menu_bookDocumentation
May 5, 2026

Math Types - s&box Documentation

Official s&box documentation for Math Types including Vector3, Rotation, Angles, and related types. Vector3 represents 3D positions and directions with X, Y, Z …

menu_bookDocumentation
May 5, 2026

Game Resources - s&box Documentation

Official s&box documentation for Game Resources - custom asset types. GameResource allows defining custom asset types that can be created in the editor and load…

menu_bookDocumentation
May 5, 2026

Razor Panels - s&box Documentation

Official s&box documentation for Razor Panels - the UI layout system. Razor Panels use a familiar HTML-like syntax with C# code-behind for building game interfa…

menu_bookDocumentation
May 4, 2026

TextRenderer: 3D World Text, TextScope, Localization via # Prefix, Scale vs FontSize, and JsonUpgrader Pattern

TextRenderer: 3D World Text with Localization Support renders text in 3D world space using for font configuration. Basic Usage TextScope The property controls a…

menu_bookDocumentation
May 4, 2026

s&box SpriteRenderer: Billboard Modes, Animation Control, Broadcast Events, and Rendering Options

s&box SpriteRenderer: Animated Sprites, Billboard Modes, and Broadcast Events renders a asset in the s&box world with support for animation, billboarding, and f…

menu_bookDocumentation
May 4, 2026

s&box LineRenderer and TrailRenderer: Points, Spline Interpolation, Face Modes, Texture Scrolling, and DepthFeather

s&box LineRenderer and TrailRenderer: Procedural Line Rendering renders a line through a list of points with configurable width, color, and spline interpolation…

menu_bookDocumentation
May 4, 2026

Voice Component: Push-to-Talk, Lip Sync Visemes, ExcludeFilter, ShouldHearVoice, and Amplitude

Voice Component: Voice Chat, Lip Sync, and Viseme Morphs The component handles voice chat recording, transmission, and playback with optional lip sync. Basic Se…

menu_bookDocumentation
May 4, 2026

ModelRenderer Material Overrides: MaterialOverride, SetMaterialOverride by Tag, Per-Index Materials Accessor, and Attachments

ModelRenderer Material Overrides: MaterialOverride, SetMaterialOverride, and Materials Accessor provides several ways to override materials on a model. Global M…

menu_bookDocumentation
May 4, 2026

SkinnedModelRenderer: Animation Events (Footstep, Sound, Generic, AnimTag) and Sequence Playback

SkinnedModelRenderer Animation Events and Sequence Playback Animation Events exposes callbacks for animation events defined in the model's animation graph or se…

menu_bookDocumentation
May 4, 2026

SkinnedModelRenderer Animation Parameters: Set, SetIk, SetLookDirection, Pre-Spawn Caching, and ClearParameters

SkinnedModelRenderer Animation Parameters: Set, SetIk, SetLookDirection, and Pre-Spawn Caching stores animation parameters in a dictionary and applies them to t…

menu_bookDocumentation
May 4, 2026

SceneAnimationSystem: Threaded Animation, Bone Merge Order, Procedural Bones, and Ragdoll Physics Step

SceneAnimationSystem: Threaded Animation Updates and Bone Merge Order drives all animation updates. It runs at (after , before ). Threading Model Animation upda…

menu_bookDocumentation
May 4, 2026

RenderOptions: Game, Overlay, Bloom, AfterUI Render Layers — and Renderer.Attributes for Shader Parameters

RenderOptions: Render Layers for SceneObjects controls which render layers a component's appears in. It's exposed as a property on all subclasses. Render Layers…

menu_bookDocumentation
May 4, 2026

ScenePhysicsSystem: Physics Sub-Stepping at 120Hz, Collision Event Routing, Keyframe Colliders, and Editor Physics

ScenePhysicsSystem: How Physics Steps Work in s&box is the built-in that drives physics simulation. Understanding it explains the physics step order and collisi…

menu_bookDocumentation
May 4, 2026

BasePostProcess: Custom Post-Processing with GetWeighted, BlitMode, and PostProcessVolume Blending

BasePostProcess<T>: Custom Post-Processing Effects with Volume Blending is the current (non-obsolete) base class for post-processing effects in s&box. It replac…

menu_bookDocumentation
May 4, 2026

Joint Components: HingeJoint Motor Modes, BreakForce, Body Resolution, and Joint Creation Timing

Joint Components: HingeJoint, FixedJoint, and the Joint Base Class s&box provides physics joint components for constraining physics bodies. All joints extend th…

menu_bookDocumentation
May 4, 2026

ScreenPanel and WorldPanel: AutoScale Strategies, ZIndex, LookAtCamera, and Interaction Range

ScreenPanel and WorldPanel: UI Components in s&box Scenes ScreenPanel is the root component for 2D screen-space UI. It renders attached children to the screen. …

menu_bookDocumentation
May 4, 2026

Scene Object Index: How Scene.GetAll Works — Type Hierarchy Indexing, Update Sets, and Hotload Safety

Scene Object Index: How Scene.GetAll<T> Works and Why It's Fast is the primary way to find all active components or systems of a type in the scene. Understandin…

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…

menu_bookDocumentation
May 4, 2026

TemporaryEffect Component: Auto-Destroy, ITemporaryEffect, BecomeOrphan, and Editor Behavior

TemporaryEffect Component: Auto-Destroy with ITemporaryEffect Support destroys a after a set time, optionally waiting for child effects (particles, sounds) to f…