s&box MCP Knowledgebase

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

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menu_bookDocumentation
May 4, 2026

DisplayInfo: Querying s&box Type and Member Metadata (Title, Icon, Group, Tags)

DisplayInfo: Querying s&box Type and Member Metadata is an s&box struct that aggregates all display-related metadata from attributes on a type or member. The ed…

menu_bookDocumentation
May 3, 2026

Mapping in s&box

Mapping in s&box s&box includes Hammer, the Source 2 level editor, for creating maps. Opening Hammer Main Menu → Tools → Hammer Or click Hammer icon in toolbar …

groupsCommunity
May 5, 2026

s&box networking gotchas — IsProxy, Sync, Authority, NetworkSpawn, and culling

s&box Networking Gotchas Common mistakes when building multiplayer games in s&box. IsProxy vs IsAuthority is true on all clients that don't own the object. Alwa…

menu_bookDocumentation
May 4, 2026

s&box CameraComponent: Screen/World Conversion, RenderToTexture, Priority, Viewport, and Oblique Projection

s&box CameraComponent: Screen/World Conversion, RenderToTexture, and Priority wraps a and provides the main rendering configuration for a s&box scene. Every sce…

menu_bookDocumentation
May 20, 2026

PostProcessVolume: Camera-Based Effect Blending with Box, Sphere, and Infinite Modes

The component in s&box applies post-processing effects to cameras inside its volume. Effect components can be on the same GameObject or child GameObjects. Volum…

menu_bookDocumentation
May 5, 2026

Networked Objects - s&box Documentation

Official s&box documentation for Networked Objects and ownership. Networked Objects covers GameObject networking setup and configuration. Ownership determines w…

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 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 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…

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…

menu_bookDocumentation
May 12, 2026

s&box NpcConVars: Global NPC AI settings

NpcConVars Static Class NpcConVars is a static class that defines console variables controlling global NPC AI behavior in s&box. These ConVars can be set via co…

menu_bookDocumentation
May 5, 2026

Movie Maker - s&box Documentation

Official s&box documentation for the Movie Maker - cinematic recording and editing. Movie Maker provides tools for creating cinematic sequences and gameplay rec…

menu_bookDocumentation
May 5, 2026

Achievements - s&box Services Documentation

Achievements s&box provides an achievements system that integrates with Steam. Achievements can be unlocked automatically based on stats or manually via code. S…

menu_bookDocumentation
May 5, 2026

Video - s&box Media Documentation

Video s&box can decode and play video files for cutscenes, UI elements, or in-world displays. VideoPlayer The VideoPlayer decodes video and exposes frames as a …

menu_bookDocumentation
May 5, 2026

WebSockets - s&box Networking Documentation

WebSockets s&box supports WebSocket connections for real-time communication with external servers. Use for custom networking, persistent data, or integrating wi…

menu_bookDocumentation
May 5, 2026

Editor - s&box Documentation

Editor The s&box Editor provides a modern interface for building games. Features Asset Previews - Thumbnails for models, materials, textures Custom Editors - Sp…

terminalCode Example
May 5, 2026

EnvmapProbe — local reflection captures with Static, Dynamic, and OnDemand modes

EnvmapProbe — Reflection Captures in s&box is a built-in s&box component that captures a cubemap at its world position for local specular reflections. The engin…

menu_bookDocumentation
May 12, 2026

s&box WeaponConVars: Global weapon settings

WeaponConVars Static Class WeaponConVars is a static class that defines console variables controlling global weapon behavior in s&box. These ConVars can be set …

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 5, 2026

Exporting Standalone - s&box Documentation

Exporting Standalone ⚠️ Warning: Exporting standalone games is currently in preview. Distribution requires approval from Valve — we're working with them to open…