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
menu_bookDocumentation
May 4, 2026

NetworkSpawn, Ownership Transfer, and Network.Refresh in s&box

NetworkSpawn and Ownership Transfer in s&box Spawning a Networked Object Ownership Transfer Modes (OwnerTransfer) Taking and Dropping Ownership Checking Ownersh…

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

IGameObjectNetworkEvents: StartControl, StopControl, and NetworkOwnerChanged Callbacks

IGameObjectNetworkEvents: Ownership Change Callbacks Implement on a component to receive callbacks when network ownership of the parent changes. Interface Metho…

menu_bookDocumentation
May 4, 2026

Engine Frame Loop Order: FrameStart, Scene Tick, and FrameEnd Sequence

Engine Frame Loop Order The s&box engine frame loop runs in a specific order each frame. Understanding this is important for knowing when your code runs relativ…

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…

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 …

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 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…

codeAPI Reference
May 4, 2026

s&box NetworkMode Enum and INetworkListener: Controlling Network Participation

s&box NetworkMode Enum: Controlling How GameObjects Are Networked controls how a participates in the network. Usage NetworkMode.Object The object has an owner (…

codeAPI Reference
May 4, 2026

s&box Inspector Attributes: Complete Reference for Component Properties

s&box Inspector Attributes: Complete Reference for Component Properties These attributes control how properties appear in the s&box editor inspector. Display At…

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…

menu_bookDocumentation
May 4, 2026

s&box ISceneEvent: Scene-Wide and Per-Object Event Broadcasting

s&box ISceneEvent<T>: Scene-Wide and Per-Object Event Broadcasting is the base interface for all scene event systems. It provides static methods for broadcastin…

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…

codeAPI Reference
May 4, 2026

s&box DamageInfo: Extensible Damage Data Class and IDamageable Interface

s&box DamageInfo: Extensible Damage Data Class is a class (not a struct) so it can be subclassed for game-specific damage types. Definition Usage IDamageable In…

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 4, 2026

s&box CharacterController: Physics-Free Movement Component

s&box CharacterController: Physics-Free Movement Component provides collision-constrained movement without a . It only moves when you explicitly call or . Key P…

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 4, 2026

s&box Component Lifecycle: Exact Execution Order and Internal Guards

s&box Component Lifecycle: Exact Execution Order and Internal Guards Derived directly from and in the s&box engine source. Execution Order **** — Called once wh…

groupsCommunity
May 4, 2026

Sandbox: Full codebase architecture — systems, player components, weapons, tools, NPCs

Sandbox Codebase Architecture Overview The Facepunch Sandbox game is a large reference implementation. Here's a map of the major systems and how they connect. C…

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…