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 "Id" in menu_bookDocumentation 49 results closeClear
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

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 20, 2026

Component Interfaces: IDamageable, ICollisionListener, ExecuteInEditor

s&box provides several built-in component interfaces for physics, damage, networking, and editor execution. ExecuteInEditor Runs component methods (OnAwake, OnE…

menu_bookDocumentation
May 20, 2026

IsValid Pattern: Safe Null and Destroyed Object Checks

Destroying a or doesn't erase the C# reference — the variable still holds a non-null but dead object. A plain check will pass on destroyed objects, leading to e…

menu_bookDocumentation
May 20, 2026

NavMesh Agent: AI Pathfinding with Crowd Avoidance

The component moves a GameObject along the NavMesh automatically with built-in crowd avoidance. Agents try to avoid bumping into each other when multiple agents…

menu_bookDocumentation
May 20, 2026

Auth Tokens: Steam Identity Validation for External Services

Auth Tokens validate that HTTP or WebSocket requests originate from a legitimate Steam user in an active s&box game session. Use them to tie data to Steam accou…

menu_bookDocumentation
May 20, 2026

VirtualGrid: Virtualized Grid Panel for Large Item Collections

is a s&box UI Panel that virtualizes large item collections — only rendering visible cells. If you have thousands of items, it creates only the few on screen an…

menu_bookDocumentation
May 20, 2026

Input System: Button Queries, AnalogMove, AnalogLook, and Escape Override

Input is accessed using the class in s&box. It provides button state queries, analog stick/mouse values, and escape key handling for game components. Button Que…

menu_bookDocumentation
May 20, 2026

Prefab Instance Overrides: Property, Component, and GameObject Customization

Prefab instance overrides in s&box allow you to customize individual instances of a prefab without affecting the original or other instances. The instance remem…

menu_bookDocumentation
May 20, 2026

Dedicated Servers: Running Local Projects with Hidden Serverside Code

s&box dedicated servers can run entirely local projects as the game using the command line argument: Assets are still fetched from the cloud version of the game…

menu_bookDocumentation
May 20, 2026

Video: VideoPlayer Decoding and VideoWriter Encoding with Streaming Support

s&box provides VideoPlayer for decoding video and VideoWriter for encoding video frames. VideoPlayer Decodes video files or URLs, exposing the current frame as …

menu_bookDocumentation
May 5, 2026

Sync Properties - Complete Networking Guide

Sync Properties Sync Attribute Adding the attribute to a property on a Component will have its latest value sent to other players each time it changes. These pr…

menu_bookDocumentation
May 20, 2026

IsValid: Safe Null and Destroyed Object Checking in s&box

In s&box, destroying a or doesn't erase the C# reference — the variable still holds a non-null but dead object. Use instead of null checks. Common Patterns Guar…

menu_bookDocumentation
May 20, 2026

Component Interfaces: ExecuteInEditor, ICollisionListener, IDamageable in s&box

s&box provides several Component interfaces for specific purposes: editor execution, collision handling, triggers, damage, and networking. ExecuteInEditor Compo…

menu_bookDocumentation
May 20, 2026

Input System Overview: Button Queries, Analog Input, and Escape Override

The s&box Input class provides button queries, analog input, and escape key handling for gameplay. Button Queries Analog Input Custom Keys Configure input actio…

menu_bookDocumentation
May 4, 2026

ComponentFlags: Hidden, NotSaved, NotNetworked, NotCloned — Controlling Component Behavior

ComponentFlags: Controlling Component Serialization, Networking, and Visibility is a flags enum on that controls how a component behaves in the editor, serializ…

menu_bookDocumentation
May 20, 2026

Serverside Code: #if SERVER Blocks and .Server.cs Files for Hidden Logic

s&box supports serverside-only code that is stripped from client builds. This only works when running local projects on dedicated servers. #if SERVER Blocks Cod…

menu_bookDocumentation
May 4, 2026

s&box ISceneEvent: Scene-Wide and Per-Object Event Broadcasting

s&box ISceneEvent<T>: Scene-Wide and Per-Object Event Broadcasting is the base interface for all scene event systems. It provides static methods for broadcastin…

menu_bookDocumentation
May 12, 2026

LocalData persistence for server-side data

LocalData Persistence in s&box LocalData provides server-side data persistence that survives server restarts. It's useful for storing configuration, ban lists, …

menu_bookDocumentation
May 4, 2026

s&box Rigidbody Component: Physics Body Reference

s&box Rigidbody Component: Physics Body Reference adds physics simulation to a . It requires at least one component on the same object. Key Properties Force and…