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 4, 2026

ClothingContainer: Apply, ApplyAsync, CreateFromConnection, RemoveUnownedItems, and Body Group Masking

ClothingContainer: Avatar Dressing System — Apply, CreateFromConnection, and RemoveUnownedItems manages a player's avatar outfit. It handles clothing compatibil…

menu_bookDocumentation
May 4, 2026

Networking Static Class: IsHost, IsClient, CreateLobby, Connect, SetData, and Debug Convars

Networking Static Class: IsHost, IsClient, CreateLobby, Connect, and Server Data The static class manages the multiplayer session in s&box. Session State Note: …

menu_bookDocumentation
May 4, 2026

Connection Class: Local, Host, All, Find, Permissions, Kicking, and Visibility Origins

Connection Class: Local, Host, All, Find, and Permissions represents a network connection to a player. It's the primary way to identify and interact with player…

menu_bookDocumentation
May 4, 2026

Game Static Class: ActiveScene, ChangeScene, TypeLibrary, Cookies, and Core State Properties

Game Static Class: ActiveScene, ChangeScene, TypeLibrary, and Core State The static class is the primary entry point for global game state in s&box. Core State …

menu_bookDocumentation
May 4, 2026

s&box Sandbox Security Model: Assembly Whitelist, Blocked APIs, Reflection Restrictions, and Safe Assembly Caching

s&box Sandbox Security Model: Assembly Access Control and Whitelisted APIs s&box uses a whitelist-based security model to prevent game code from accessing dange…

menu_bookDocumentation
May 4, 2026

s&box Easing Functions: Sandbox.Utility.Easing — Quadratic, Exponential, Bounce, Sine, and CSS-Style Name Lookup

s&box Easing Functions: Sandbox.Utility.Easing for Transitions and Animations provides standard easing functions used throughout s&box's UI system and available…

menu_bookDocumentation
May 4, 2026

RealTime vs Time: Wall-Clock vs Scene Time — RealTimeSince, RealTimeUntil, GlobalNow, and SmoothDelta

RealTime vs Time: Wall-Clock vs Scene Time — When to Use Each s&box has two time systems. Choosing the wrong one is a common source of bugs. Time (Scene Time) ,…

menu_bookDocumentation
May 4, 2026

s&box MathX: Remap, LerpInverse, ExponentialDecay, SmoothDamp, SpringDamp, DeltaDegrees, and Unit Conversion

s&box MathX: Math Utility Extensions for Game Development is a static class providing math utilities not in or . Most methods are also extension methods, so you…

menu_bookDocumentation
May 4, 2026

[Change] Attribute: Callbacks When Properties Change — Works with [Sync] and [ConVar], Priority, and All-Client Firing

[Change] Attribute: Callbacks When Properties Change The attribute invokes a method whenever a property's value changes. It works with any property but is espec…

menu_bookDocumentation
May 4, 2026

s&box Source Generator: IUpdateSubscriber, WrappedPropertySet, and How [Sync]/[Rpc.*] Work at Compile Time

s&box Source Generator: How [CodeGenerator] Works for [Sync] and [Rpc.*] The Roslyn source generator transforms your C# code at compile time. Understanding this…

menu_bookDocumentation
May 4, 2026

NavMeshAgent: MoveTo, WishVelocity Pattern, Off-Mesh Links, Area Constraints, and Path Queries

NavMeshAgent: Navigation, WishVelocity, Links, and Path Control is the s&box component for AI navigation using the scene's navmesh. It uses DotRecast (Detour/Cr…

menu_bookDocumentation
May 4, 2026

ModelRenderer: Body Groups, Material Override, Material Groups, Shadow Modes, and LOD Override

ModelRenderer: Body Groups, Material Override, Shadow Modes, and LOD renders a static (non-skinned) model in the world. It creates a in the . Basic Usage Body G…

menu_bookDocumentation
May 4, 2026

SkinnedModelRenderer: Bone Merge, Animation Parameters, Sequences, Attachments, and Animation Events

SkinnedModelRenderer: Bone Merge, Animation Parameters, and Attachments extends for models with bones and animations. It integrates with the for threaded animat…

menu_bookDocumentation
May 4, 2026

s&box CameraComponent: Screen/World Conversion, RenderToTexture, Priority, Viewport, and Oblique Projection

s&box CameraComponent: Screen/World Conversion, RenderToTexture, and Priority wraps a and provides the main rendering configuration for a s&box scene. Every sce…

menu_bookDocumentation
May 4, 2026

Collider Component: Triggers, Surface Properties, Keyframe Bodies, Concave Shapes, and Tag Propagation

Collider Component: Triggers, Surface Properties, and Keyframe Bodies The abstract base class is the foundation for all physics colliders in s&box (, , , , ). T…

menu_bookDocumentation
May 4, 2026

Rigidbody Component: Networked Velocity, Proxy Physics Simulation, Impact Damage, and SmoothMove

Rigidbody Component: Networking, Velocity Sync, and Proxy Physics Simulation The component is the primary way to add physics simulation to a . It implements and…

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…

menu_bookDocumentation
May 4, 2026

s&box Hotload System: How Code Reloading Works, SkipHotload, ConVar Persistence, and NetworkObject.OnHotload

s&box Hotload System: How Code Reloading Works s&box supports live code reloading (hotload) without restarting the game. Understanding how it works helps avoid …

menu_bookDocumentation
May 4, 2026

Sound.Play and SoundHandle: 3D Audio, Volume, Pitch, Occlusion, UI Sounds, and Dedicated Server Behavior

Sound.Play and SoundHandle: Audio Playback in s&box is the static entry point for audio playback. is the returned handle for controlling a playing sound. Playin…

menu_bookDocumentation
May 4, 2026

GameResource: Custom Asset Types, PostLoad, PostReload, ResourceLibrary.Get, and Resource Networking

GameResource: Custom Asset Types, PostLoad, and Resource Networking is the base class for all JSON-based assets in s&box (prefabs, scene files, custom assets). …