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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menu_bookDocumentation
May 20, 2026

Component Interfaces: ExecuteInEditor, ICollisionListener, IDamageable in s&box

s&box provides several Component interfaces for specific purposes: editor execution, collision handling, triggers, damage, and networking. ExecuteInEditor Compo…

menu_bookDocumentation
May 20, 2026

Component Execution Order: Lifecycle Flow and GameObjectSystem Ordering

s&box component execution order determines when lifecycle methods are called. You should not rely on the order in which the same callback gets invoked for diffe…

menu_bookDocumentation
May 3, 2026

Component Lifecycle Methods Reference

Component Lifecycle Methods s&box Components have a well-defined lifecycle with specific methods you can override for different phases of initialization and upd…

menu_bookDocumentation
May 5, 2026

Input - s&box Gameplay Documentation

Input s&box provides a comprehensive input system that handles keyboard, mouse, and gamepad input. The input system uses named actions defined in your project s…

terminalCode Example
May 3, 2026

Inventory Hotbar UI Component

Inventory HUD with Hotbar A Razor PanelComponent that displays player inventory slots as a hotbar with mouse wheel and number key support. Implementation Key Fe…

menu_bookDocumentation
May 3, 2026

Network Helper

Network Helper Pre-built component for common multiplayer scenarios. What It Does NetworkHelper handles typical multiplayer setup: Auto-creates server if enable…

codeAPI Reference
May 3, 2026

PlayerData Component for Stats and Respawn

PlayerData Component Persistent player data component tracking stats (kills, deaths), respawn state, and providing connection lookup. Key Properties Connection …

menu_bookDocumentation
May 5, 2026

NavMesh Agent - s&box Gameplay Documentation

NavMesh Agent The NavMeshAgent component provides automatic navigation along the NavMesh. It handles pathfinding, obstacle avoidance, and smooth movement to tar…

menu_bookDocumentation
May 3, 2026

Post Processing System

Post Processing System Add visual effects like bloom, tonemapping, and film grain with post-processing volumes. Overview Post processing in s&box uses a volume-…

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…

groupsCommunity
May 3, 2026

Multiplayer Authority Patterns

Multiplayer Authority Patterns Community guide for structuring multiplayer code based on official networking documentation and proven patterns. Host-Authoritati…

terminalCode Example
May 4, 2026

Sandbox: NPC system — Schedule, Task, and Layer architecture

NPC System — Schedule, Task, and Layer Architecture The Sandbox NPC system uses a layered architecture: Layers handle continuous behaviours (navigation, senses,…

terminalCode Example
May 5, 2026

Physics joints — Fixed, Ball, Hinge, Slider, Spring, and Wheel

Physics Joints Joints connect two physics bodies together with constraints. All joint types are components added to a GameObject positioned at the joint's ancho…

terminalCode Example
May 4, 2026

Sandbox: Duplicator tool — copy, paste, and save contraptions with DuplicationData

Duplicator Tool — Copy, Paste, and Save Contraptions The Duplicator tool copies a contraption (a connected graph of GameObjects) to JSON and pastes it back. It …

terminalCode Example
May 5, 2026

CharacterController — capsule movement, ground checks, and velocity control

CharacterController in s&box is a built-in s&box component for capsule-based movement. Unlike , you control velocity directly — the controller handles collision…

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…

terminalCode Example
May 5, 2026

BeamEffect — laser and energy beams between two points

BeamEffect — Laser and Energy Beams renders a beam between two points in the world. Use it for lasers, electricity, tractor beams, or any line-based visual effe…

terminalCode Example
May 5, 2026

RadiusDamage — explosion area damage with IDamageable, occlusion, and physics force

RadiusDamage Component is a built-in s&box component that applies damage to all objects within a sphere. It integrates with the system and can apply outward phy…

menu_bookDocumentation
May 5, 2026

Player Controller - s&box Scene Documentation

Player Controller The Player Controller component provides character movement for games. It handles physics-based movement, ground detection, jumping, and camer…

codeAPI Reference
May 3, 2026

Sandbox.Light

Sandbox.Light Illuminates the scene. Overview Light component adds dynamic lighting to GameObjects. Supports point, spot, and directional lights. Setup Light Ty…