s&box MCP Knowledgebase

Documentation, API references, code examples and community knowledge for s&box development.

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Results for "Message" 37 results closeClear
codeAPI Reference
May 12, 2026

s&box BanSystem: Player ban management

BanSystem GameObjectSystem API Reference BanSystem holds a banlist and can ban users. Implements INetworkListener to reject banned connections. Bans are persist…

codeAPI Reference
May 12, 2026

s&box SpeechLayer: NPC speech and subtitles

NPC behavior layer that manages speech state, plays sound files, and renders subtitle text above the NPC's head. Properties Methods Behavior Resolves a random s…

menu_bookDocumentation
May 20, 2026

Async Tasks and Coroutines in s&box Components

Async tasks in s&box run on the main thread by default, operating like coroutines. They are the recommended replacement for coroutines. Basic Async Method Frame…

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

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 20, 2026

Async Components: Coroutine-Style Async Tasks on the Main Thread

Async tasks in s&box run on the main thread by default, operating like coroutines. They are the recommended replacement for coroutines in s&box. Basic Async Fra…

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 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

Property Attributes: Inspector Customization for Components and Assets

Property attributes control how Component properties appear in the s&box editor/inspector. They work on both Components and GameResource properties. Layout and …

codeAPI Reference
May 20, 2026

Connection API: Properties, Methods, and Common Multiplayer Patterns

The class represents a network connection (client or server). Used extensively in multiplayer for identifying players, checking permissions, and managing networ…

menu_bookDocumentation
May 5, 2026

Binary Serialization - s&box Documentation

Official s&box documentation for Binary Serialization - efficient data storage. Binary Serialization saves data in compact binary format. The system handles ver…

terminalCode Example
May 12, 2026

s&box player management with RPC, ConCmd, and Connection APIs

s&box Player Management with RPC, ConCmd, and Connection APIs This example shows player kick/ban utilities using s&box's Connection, RPC, ConCmd, and Chat syste…

menu_bookDocumentation
May 4, 2026

Scene.Push(), BatchGroup(), FindInPhysics, and FindAllWithTag — Scene Context Management

Scene.Push() and Scene.BatchGroup(): Scene Context Management Scene.Push() makes a scene the active scene for the duration of a scope. This is required when cre…

menu_bookDocumentation
May 20, 2026

Networked Objects: NetworkSpawn, Interpolation, and Network Modes

Any GameObject can become a networked object by calling on it. It will then be sent to all clients and can have Sync Properties and RPC Messages. Network Mode 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…

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 20, 2026

Networked Objects: Spawning, Network Modes, and Interpolation

Any GameObject can become networked by calling . It will then be sent to all clients and can have Sync Properties and RPC Messages. Spawning a Networked Object …