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 "host" in menu_bookDocumentation 58 results closeClear
menu_bookDocumentation
May 4, 2026

NetworkOrphaned: Controlling What Happens to a Networked Object When Its Owner Disconnects

NetworkOrphaned: What Happens When an Owner Disconnects When a networked 's owner disconnects, the enum controls what happens to the object. Options How It Work…

menu_bookDocumentation
May 20, 2026

ISceneStartup: Host and Client Scene Initialization Events

is a scene event interface for listening to scene initialization on host and client. It runs when pressing play in editor, loading a game, or joining a server. …

menu_bookDocumentation
May 4, 2026

Connection Class: Local, Host, All, Find, Permissions, Kicking, and Visibility Origins

Connection Class: Local, Host, All, Find, and Permissions represents a network connection to a player. It's the primary way to identify and interact with player…

menu_bookDocumentation
May 5, 2026

Ownership - s&box Networking Documentation

Ownership Network ownership determines which client or the host has authority over a networked GameObject. The owner controls synced properties and can send RPC…

menu_bookDocumentation
May 20, 2026

Network Ownership: Transfer, IsProxy, and Orphaned Modes

Networked GameObjects can be owned by a connection. The owner simulates the object — controlling its position and sync properties. Unowned objects are simulated…

menu_bookDocumentation
May 20, 2026

Network Ownership: Taking, Dropping, and Transferring Object Control

Networked GameObjects can be owned by a connection. Objects owned by a connection are simulated by that connection — their position and sync variables are contr…

menu_bookDocumentation
May 4, 2026

s&box SceneNetworkSystem: Scene Loading and Snapshot Protocol

s&box SceneNetworkSystem: Scene Loading and Snapshot Protocol is the core networking system that manages scene loading, object spawning, and snapshot synchroniz…

menu_bookDocumentation
May 20, 2026

ISceneStartup: Scene Initialization Events for Host and Client Setup

The event interface in s&box allows Components and GameObjectSystems to listen to scene startup events. These run when pressing play in editor, loading a game, …

menu_bookDocumentation
May 4, 2026

NetworkMode, NetworkFlags, OwnerTransfer, NetworkOrphaned — Complete Networking Enum Reference

NetworkMode, NetworkFlags, OwnerTransfer, and NetworkOrphaned — Complete Reference NetworkMode Controls how a is networked. Set via . Once a is a , only the hos…

menu_bookDocumentation
May 4, 2026

NetworkObject: Ownership, Proxy State, and Automatic Culling

NetworkObject Ownership, Proxy State, and Culling Derived from in the s&box engine source. Ownership Model Every networked has a (internal) that tracks: **** — …

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…

menu_bookDocumentation
May 4, 2026

Networking State in s&box: IsHost, IsClient, IsActive, and Lobby Management

Networking State in s&box: IsHost, IsClient, IsActive Understanding the networking state is critical for writing correct multiplayer code in s&box. Key Properti…

menu_bookDocumentation
May 4, 2026

ISceneStartup: OnHostPreInitialize, OnHostInitialize, OnClientInitialize — Scene Initialization Hooks

ISceneStartup: Scene Initialization Hooks for GameObjectSystems provides callbacks for scene initialization events. It is intended for implementations, not comp…

menu_bookDocumentation
May 4, 2026

GameObjectSystem with [Sync] and RPCs: Networked Scene-Level State

GameObjectSystem with [Sync]: Networked Scene-Level State supports properties just like components. However, there is a key difference: all properties on a are …

menu_bookDocumentation
May 4, 2026

RPC Attributes: Rpc.Broadcast, Rpc.Host, Rpc.Owner — Targeting, NetFlags, and Rpc.FilterInclude/Exclude

RPC Attributes: Rpc.Broadcast, Rpc.Host, Rpc.Owner — Targeting and Flags s&box RPCs are declared with nested attributes on the static class. The old top-level a…

menu_bookDocumentation
May 3, 2026

Network Ownership System

Network Ownership System Control who simulates and updates networked GameObjects with the ownership system. Ownership Basics Every networked object has an Owner…

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…

menu_bookDocumentation
May 4, 2026

GameObject.Network Accessor — IsProxy, IsOwner, TakeOwnership, DropOwnership, Refresh, and IGameObjectNetworkEvents

GameObject.Network Accessor — Ownership, Spawning, and Proxy Detection is a that provides all network-related operations for a . It always resolves to the netwo…

menu_bookDocumentation
May 20, 2026

RPC Messages: Broadcast, Owner, Host with Filtering and Caller Info

Components can contain RPCs — functions that when called locally, are also called remotely. Supported RPC argument types are the same as Sync properties. Basic …

menu_bookDocumentation
May 4, 2026

GameObjectSystem: Auto-Instantiation, Host-Controlled [Sync], RPCs, Stage Hooks, and Configuration Priority

GameObjectSystem: Auto-Instantiation, [Sync] Properties, and RPCs is a scene-level singleton that is automatically instantiated once per scene. Every non-abstra…