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
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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…

terminalCode Example
May 5, 2026

VirtualGrid — efficiently rendering large scrollable lists in s&box UI

VirtualGrid — Efficiently Rendering Large Lists in UI is a s&box UI panel that virtualizes a large collection — only the visible cells are created in the DOM. S…

menu_bookDocumentation
May 4, 2026

ConVar and ConCmd: Console Variables and Commands in s&box

ConVar and ConCmd: Console Variables and Commands s&box uses and attributes on static properties and methods to expose them to the console system. ConVar (Conso…

menu_bookDocumentation
May 12, 2026

Steam filtering API for user content sanitization

Steam Filtering API in s&box s&box provides Steam filtering APIs to sanitize user-generated content like names and chat messages. This helps prevent profanity, …

terminalCode Example
May 3, 2026

Moving a SceneObject with Transform in s&box

Use to move a SceneObject each frame in s&box. This moves the object forward at 100 units per second. Prefer over direct manipulation of the SceneObject for net…

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 5, 2026

Citizen Characters - s&box Assets Documentation

Citizen Characters The Citizen is s&box's default human character model. It provides a standardized base for player characters, NPCs, and customization through …

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 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 (…

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 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…

groupsCommunity
May 3, 2026

Performance Best Practices

s&box Performance Best Practices Community guide for writing performant s&box code based on engine behavior and developer recommendations. Object Pooling Avoid …

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 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 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

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…

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 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

HTTP Requests - s&box Networking Documentation

HTTP Requests s&box provides an HTTP client for making web requests to external APIs. This is useful for fetching data, submitting scores to custom backends, or…

terminalCode Example
May 5, 2026

SpawnPoint and TriggerHurt — spawn locations and damage trigger volumes

SpawnPoint and TriggerHurt in s&box SpawnPoint is a built-in s&box component that marks a world location for player or NPC spawning. uses to find valid spawn lo…