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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menu_bookDocumentation
May 20, 2026

Localization: Multi-Language Token System for UI Text

s&box supports localization via JSON token files. Any displayed string beginning with is treated as a localization token and automatically replaced with the use…

menu_bookDocumentation
May 5, 2026

Custom Editors - s&box Editor Documentation

Custom Editors Custom editors let you create specialized inspector interfaces for your components and assets. Build custom widgets, property drawers, and full i…

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…

terminalCode Example
May 3, 2026

Razor Panel Structure and Syntax

Razor Panel Structure s&box uses Razor syntax for UI panels with files and optional stylesheets. Basic Panel Component File Structure The Element The element is…

terminalCode Example
May 12, 2026

s&box achievement unlocking with Rpc.FilterInclude targeting

s&box Achievement Unlocking with Rpc.FilterInclude This example shows achievement unlocking using s&box's Services.Achievements, Services.Stats, and Rpc.FilterI…

codeAPI Reference
May 12, 2026

s&box MountMetadata: Mount fallback rendering

MountMetadata Component API Reference MountMetadata is attached to mount-spawned props to show a graceful bounding box and hint the player which game it's from …

menu_bookDocumentation
May 3, 2026

Custom Editors

Custom Editors Create custom editor widgets for your classes, structs, and assets. ControlWidget (Property Editor) Create custom property editors using : Attrib…

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 5, 2026

RPC Messages - s&box Documentation

RPC Messages Components can contain RPCs. An RPC is a function that when called, is called remotely too. Supported RPC arguments are the exact same as Sync prop…

terminalCode Example
May 11, 2026

UIDecal Component - Render Razor UI as a Decal

A Render Component for s&box that allows you to project Razor UI onto surfaces as a Decal. Great for sticking UI onto rounded walls, curved surfaces, or any geo…

menu_bookDocumentation
May 5, 2026

Animation - s&box Documentation

Animation s&box supports skeletal animation for characters and objects. Animate models using imported animations, blend between states, and control playback fro…

codeAPI Reference
May 12, 2026

s&box ResourceSelectAttribute: Resource picker configuration

ResourceSelectAttribute API Reference ResourceSelectAttribute is used to configure resource selection UI for properties in the inspector. Type Signature Propert…

menu_bookDocumentation
May 20, 2026

GameResource Extensions: Appending Data to Existing Assets Without Modification

ResourceExtensions in s&box append additional data to existing GameResources without modifying the original class or assets. Useful for adding properties to Clo…

menu_bookDocumentation
May 20, 2026

Dedicated Server User Permissions: Claims-Based Access Control via Steam ID

On s&box Dedicated Servers, you can specify admin permissions per user via the file using Steam IDs and claims. Configuration Claims Claims are strings describi…

codeAPI Reference
May 3, 2026

Sandbox.Log

Sandbox.Log Static logging class for console output. Overview Log messages appear in the editor console, in-game console (press ), and log files. Logging Method…

menu_bookDocumentation
May 20, 2026

Localization: Token-Based Multi-Language UI Text in s&box

s&box supports localization through token-based string replacement. Any displayed string beginning with is recognized as a localization token and replaced with …

menu_bookDocumentation
May 20, 2026

Console Variables and Commands: ConVar and ConCmd Runtime Configuration

s&box provides console variables () and console commands () for runtime configuration and debugging. Console Commands Static methods with attribute: Server Comm…

codeAPI Reference
May 3, 2026

Sandbox.Color

Sandbox.Color RGBA color representation. Overview Color stores red, green, blue, and alpha values (0-1 range). Creation Named Colors Components Operations To/Fr…

menu_bookDocumentation
May 4, 2026

Inspector Attributes: Group, Title, Icon, Range, InfoBox, Feature, and More

Inspector Attributes: Controlling How Properties Appear in the Editor s&box provides a rich set of attributes to control how component properties appear in the …

codeAPI Reference
May 12, 2026

s&box TVEntity: Camera feed display

TVEntity Component API Reference TVEntity is a TV screen entity that displays the feed from a linked CameraEntity. Use the Linker tool to connect a Camera to th…