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 "string" 184 results closeClear
menu_bookDocumentation
May 3, 2026

Localization (i18n)

Localization (i18n) Support multiple languages using localization tokens. How It Works Use tokens starting with in UI strings. The system replaces them based on…

codeAPI Reference
May 3, 2026

PlayerData Component for Stats and Respawn

PlayerData Component Persistent player data component tracking stats (kills, deaths), respawn state, and providing connection lookup. Key Properties Connection …

menu_bookDocumentation
May 20, 2026

Platform Chat - Built-in Multiplayer Text Chat System

Built-in text chat for multiplayer games. Messages are routed through the host, validated, filtered, and displayed via the standard overlay UI - no game code re…

menu_bookDocumentation
May 5, 2026

Auth Tokens - s&box Services Documentation

Auth Tokens Auth tokens allow your game to authenticate players with external backends. The token proves the player's identity and can be validated against Face…

codeAPI Reference
May 12, 2026

s&box SensesLayer: NPC environmental scanning

NPC behavior layer that handles awareness and environmental scanning. Caches visible/audible objects by tag for efficient querying. Properties Methods Behavior …

menu_bookDocumentation
May 20, 2026

Console Variables and Commands: ConVar and ConCmd with Flags

Console variables () and commands () let you create tweakable settings and runnable commands accessible from the s&box console. Console Commands Static methods …

menu_bookDocumentation
May 20, 2026

RPC Messages: Remote Procedure Calls with Broadcast, Owner, and Host Targets

Components can contain RPCs (Remote Procedure Calls). An RPC is a function that when called, is also called remotely on other clients. Broadcast RPC makes a fun…

menu_bookDocumentation
May 12, 2026

s&box PackageSortMode: Package sorting modes

PackageSortMode Enum PackageSortMode is a typed enum for package sorting modes in the s&box package browser. It provides a type-safe way to specify how packages…

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…

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…

codeAPI Reference
May 12, 2026

s&box INetworkListener: Connection interception

Interface for network connection interception. Implement to accept or reject incoming connections. Methods Usage Implement on a GameObjectSystem or Component to…

menu_bookDocumentation
May 12, 2026

s&box LocalProps: Built-in prop definitions

LocalProps Static Class LocalProps is a static class that defines hardcoded models that ship with the game and are not available on the workshop. These models a…

codeAPI Reference
May 12, 2026

s&box AmmoResource: Shared ammo type GameResource

AmmoResource GameResource API Reference AmmoResource is a GameResource that defines a type of ammo that can be shared across weapons. Weapons that reference the…

menu_bookDocumentation
May 4, 2026

Sandbox: PlayerInventory — weapon slots, pickup, drop, and loadout persistence

Sandbox PlayerInventory — Weapon Slots, Pickup, Drop, and Loadout Persistence manages up to 6 weapon slots, handles pickup/drop logic, and delegates loadout sav…

terminalCode Example
May 12, 2026

UndoSystem: Per-player undo functionality

UndoSystem: Per-Player Undo Functionality This example shows the UndoSystem which provides per-player undo stacks for tracking spawned objects and allowing play…

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…

terminalCode Example
May 3, 2026

Nameplate Component with Voice Activity

Nameplate with Voice Activity A Razor component that displays player nameplates above characters with voice chat visualization. Implementation SCSS Example Key …

codeAPI Reference
May 12, 2026

s&box ICookieSource: Cookie persistence interface

ICookieSource API Reference ICookieSource is an interface for components that want to save their properties as cookies (persistent user preferences stored in Ga…

terminalCode Example
May 5, 2026

ConVar and ConCmd — console variables and commands with flags and game settings

ConVar and ConCmd — Console Variables and Commands and are s&box attributes for exposing variables and commands to the developer console. Console Commands Conso…

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…