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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terminalCode Example
May 5, 2026

CharacterController — capsule movement, ground checks, and velocity control

CharacterController in s&box is a built-in s&box component for capsule-based movement. Unlike , you control velocity directly — the controller handles collision…

codeAPI Reference
May 4, 2026

s&box ResourceLibrary: Loading and Accessing Game Resources

s&box ResourceLibrary: Loading and Accessing Game Resources (and ) provides access to all loaded resources. Loading Resources ```csharp // Synchronous get (retu…

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…

codeAPI Reference
May 4, 2026

s&box Game Static Class: Core Game State and Operations

s&box Game Static Class: Core Game State and Operations The static class provides global access to core game state, utilities, and operations. Scene Management …

menu_bookDocumentation
May 4, 2026

ConVar and ConCmd: Console Variables and Commands in s&box

ConVar and ConCmd: Console Variables and Commands s&box uses and attributes on static properties and methods to expose them to the console system. ConVar (Conso…

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 12, 2026

s&box WeaponConVars: Global weapon settings

WeaponConVars Static Class WeaponConVars is a static class that defines console variables controlling global weapon behavior in s&box. These ConVars can be set …

menu_bookDocumentation
May 5, 2026

Playing Sounds - s&box Sound Documentation

Playing Sounds s&box provides multiple ways to play audio. From simple one-shots to complex 3D spatial audio with full control. SoundEvent Create reusable sound…

codeAPI Reference
May 4, 2026

s&box SoundHandle: Full Audio Playback Control API

s&box SoundHandle: Full Audio Playback Control API is returned by and gives full control over a playing sound. Playing Sounds SoundHandle Properties Stopping St…

menu_bookDocumentation
May 4, 2026

Prop Component: Procedural Components, Damage System, Gib Spawning, and DamageInfo Patterns

Prop Component: Procedural Physics, Gibs, Damage, and Network Patterns The component is a high-level s&box component that automatically creates , , and componen…

menu_bookDocumentation
May 5, 2026

Custom Assets - s&box Documentation

Official s&box documentation for Custom Assets - user-defined resource types. Custom Assets allow defining new asset types for your game. GameResource is the ba…

codeAPI Reference
May 4, 2026

s&box TimeSince and TimeUntil: Convenient Time Measurement Structs

s&box TimeSince and TimeUntil: Convenient Time Measurement Structs Both structs use internally and support implicit conversion from /. TimeSince Measures time e…

menu_bookDocumentation
May 5, 2026

File System - s&box Assets Documentation

File System s&box provides several file systems for different purposes - data persistence, mounted content, and organization. File Systems Data File System For …

menu_bookDocumentation
May 5, 2026

Movie Maker - s&box Documentation

Official s&box documentation for the Movie Maker - cinematic recording and editing. Movie Maker provides tools for creating cinematic sequences and gameplay rec…

terminalCode Example
May 5, 2026

EnvmapProbe — local reflection captures with Static, Dynamic, and OnDemand modes

EnvmapProbe — Reflection Captures in s&box is a built-in s&box component that captures a cubemap at its world position for local specular reflections. The engin…

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 3, 2026

Property Attributes for Editor Inspector

Property Attributes for Editor Inspector Property attributes customize how fields appear and behave in the s&box editor inspector. Organization Attributes Visib…

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

WebSockets - s&box Networking Documentation

WebSockets s&box supports WebSocket connections for real-time communication with external servers. Use for custom networking, persistent data, or integrating wi…

menu_bookDocumentation
May 12, 2026

s&box NpcConVars: Global NPC AI settings

NpcConVars Static Class NpcConVars is a static class that defines console variables controlling global NPC AI behavior in s&box. These ConVars can be set via co…