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 "custom" 146 results closeClear
menu_bookDocumentation
May 20, 2026

UI Style Properties: CSS Reference with Custom Pseudo-Classes and Sound Events

s&box UI styling follows web CSS conventions with some differences. Everything is flex by default. Key custom properties include / for hover/click sounds, , and…

terminalCode Example
May 5, 2026

Custom editor tools — EditorTool, Gizmo drawing, scene tracing, and overlay UI

Custom Editor Tools Editor tools appear in the s&box toolbar and let you build scene editing workflows — painting, placement, custom gizmos. They must live in a…

menu_bookDocumentation
May 5, 2026

HTTP Requests - s&box Networking Documentation

HTTP Requests s&box provides an HTTP client for making web requests to external APIs. This is useful for fetching data, submitting scores to custom backends, or…

menu_bookDocumentation
May 5, 2026

Player Controller - s&box Scene Documentation

Player Controller The Player Controller component provides character movement for games. It handles physics-based movement, ground detection, jumping, and camer…

menu_bookDocumentation
May 3, 2026

Network Helper

Network Helper Pre-built component for common multiplayer scenarios. What It Does NetworkHelper handles typical multiplayer setup: Auto-creates server if enable…

menu_bookDocumentation
May 20, 2026

CodeGenerator: Compile-Time Method and Property Wrapping via Attributes

The attribute in s&box lets you create custom attributes that wrap methods and properties at compile time. This is the mechanism behind properties and — you can…

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

NavMesh Links: Custom Agent Traversal with Jump, Ladder, and Physics Examples

NavMesh Links in s&box connect disconnected navigation areas, allowing agents to jump, climb ladders, or traverse gaps. Add a NavMeshLink component to a GameObj…

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

codeAPI Reference
May 12, 2026

s&box IToolInfo: Tool information display interface

IToolInfo API Reference IToolInfo is an interface for providing tool information display in the UI, such as in the spawn menu or tool selector. Type Signature P…

codeAPI Reference
May 12, 2026

s&box IInspectorEditor: Custom inspector panels

IInspectorEditor Interface API Reference IInspectorEditor is an interface for custom inspector panels that can edit selected GameObjects in the s&box editor. Pa…

menu_bookDocumentation
May 5, 2026

Prefab instance overrides — customizing instances without breaking the prefab link

Prefab Instance Overrides Prefab instance overrides let you customize individual instances without affecting the original prefab or other instances. The instanc…

terminalCode Example
May 5, 2026

NavMeshLink custom traversal — parabolic jump, ladder climb, and physics jump

NavMeshLink Custom Traversal connects two NavMesh points for agents to traverse (jumps, ladders, teleports). Default traversal linearly interpolates between sta…

menu_bookDocumentation
May 5, 2026

NetworkHelper — quick multiplayer setup with auto-server and player spawning

NetworkHelper — Quick Multiplayer Setup is a built-in s&box component that handles the boilerplate of starting a server and spawning players. It's the fastest w…

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 3, 2026

Shaders in s&box - HLSL and Shading Models

Shaders in s&box - HLSL and Shading Models Write custom shaders in HLSL with Source 2's shading models, render states, and GPU instancing support. Shader Develo…

menu_bookDocumentation
May 4, 2026

Scene.Trace: Raycasting, Shape Sweeps, Tag Filters, SceneTraceResult Fields, and FindInPhysics

Scene.Trace: Raycasting and Shape Sweeps in s&box is the entry point for all physics traces in s&box. It returns a builder that uses a fluent API. Basic Usage F…

menu_bookDocumentation
May 12, 2026

Steam filtering API for user content sanitization

Steam Filtering API in s&box s&box provides Steam filtering APIs to sanitize user-generated content like names and chat messages. This helps prevent profanity, …

menu_bookDocumentation
May 4, 2026

Network Visibility Culling: AlwaysTransmit, INetworkVisible, CullDelay, and PVS-Based Object Culling

Network Visibility Culling: How s&box Decides What to Send to Each Client s&box has a built-in network visibility culling system that avoids sending updates for…

menu_bookDocumentation
May 4, 2026

FindMode and Component Lookup: GetComponent, GetAll, ComponentList, and Hierarchy Search

FindMode and Component Lookup: GetComponent, GetAll, and ComponentList s&box uses a flags enum to control how component searches traverse the hierarchy. Underst…