s&box MCP Knowledgebase

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

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codeAPI Reference
May 12, 2026

s&box RollermineNpc: Physics-driven NPC

RollermineNpc Class API Reference RollermineNpc is a physics-driven NPC that chases players, leaps at them, and bounces off dealing damage on contact. Implement…

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…

codeAPI Reference
May 12, 2026

s&box PointLightEntity: Controllable point light

PointLightEntity Component API Reference PointLightEntity is a controllable point light that can be toggled and configured via player input. It wraps a PointLig…

menu_bookDocumentation
May 5, 2026

Scene Metadata - s&box Scene Documentation

Scene Metadata You can implement the interface in any Component that has data you'd like saved to Metadata. Metadata is data that can be accessed without needin…

menu_bookDocumentation
May 4, 2026

ModelRenderer: Body Groups, Material Override, Material Groups, Shadow Modes, and LOD Override

ModelRenderer: Body Groups, Material Override, Shadow Modes, and LOD renders a static (non-skinned) model in the world. It creates a in the . Basic Usage Body G…

menu_bookDocumentation
May 4, 2026

Inspector Attributes: Group, Title, Icon, Range, InfoBox, Feature, and More

Inspector Attributes: Controlling How Properties Appear in the Editor s&box provides a rich set of attributes to control how component properties appear in the …

codeAPI Reference
May 12, 2026

s&box CombatNpc: Combat NPC

CombatNpc Class API Reference CombatNpc is a combat NPC that searches for players, advances on them, fires in bursts, and repositions. When friendly, follows pl…

menu_bookDocumentation
May 5, 2026

Inspector property attributes — Range, Group, ShowIf, Title, Feature, and more

Inspector Property Attributes Attributes control how component properties appear in the s&box editor inspector. Apply them alongside on your component fields to…

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 12, 2026

s&box GamePreferences: ConVar-based user settings with attributes

GamePreferences API Reference GamePreferences is a static class for defining user preferences using ConVar attributes with automatic persistence. Type Signature…

codeAPI Reference
May 12, 2026

s&box LineDefinition: Trail line resource

LineDefinition GameResource API Reference LineDefinition is a GameResource for trail line definitions used by the Trail tool. It implements IDefinitionResource …

menu_bookDocumentation
May 12, 2026

s&box GamePreferences: User preferences

GamePreferences Static Class GamePreferences is a static class that defines the local user's preferences for the game. These ConVars control player-specific set…

codeAPI Reference
May 12, 2026

s&box PostProcessResource: Post-processing effect GameResource

PostProcessResource GameResource API Reference PostProcessResource is a GameResource that defines a post-processing effect with a prefab, used by the PostProces…

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 12, 2026

s&box EntitySpawnerEntity: Entity spawner

EntitySpawnerEntity Component API Reference EntitySpawnerEntity is a world-placed SENT that spawns another SENT at its location. Can be triggered manually via p…

menu_bookDocumentation
May 4, 2026

ClothingContainer: Apply, ApplyAsync, CreateFromConnection, RemoveUnownedItems, and Body Group Masking

ClothingContainer: Avatar Dressing System — Apply, CreateFromConnection, and RemoveUnownedItems manages a player's avatar outfit. It handles clothing compatibil…

groupsCommunity
May 3, 2026

Project Structure Recommendations

Project Structure Recommendations Community guide for organizing s&box projects based on Facepunch examples and successful community projects. Recommended Folde…

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…

codeAPI Reference
May 12, 2026

s&box ServerSettings: Replicated server-controlled settings

ServerSettings API Reference ServerSettings is a static class for server-controlled settings that are replicated to all clients. Type Signature Example Property…

menu_bookDocumentation
May 20, 2026

Scene Metadata: ISceneMetadata for Queryable Scene and Prefab Data

The interface in s&box allows Components to save data that can be accessed without loading a Scene or cloning a Prefab. Metadata is accessible via or directly. …