s&box MCP Knowledgebase

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

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Results for "[Rpc.*]" in menu_bookDocumentation 15 results closeClear
menu_bookDocumentation
May 5, 2026

RPC Messages - s&box Documentation

RPC Messages Components can contain RPCs. An RPC is a function that when called, is called remotely too. Supported RPC arguments are the exact same as Sync prop…

menu_bookDocumentation
May 12, 2026

Rpc.FilterInclude for targeted RPC broadcasting

Rpc.FilterInclude for Targeted RPC Broadcasting Rpc.FilterInclude is a using statement in s&box that restricts RPC broadcasts to specific connections only. This…

menu_bookDocumentation
May 4, 2026

RPC Attributes: Rpc.Broadcast, Rpc.Host, Rpc.Owner — Targeting, NetFlags, and Rpc.FilterInclude/Exclude

RPC Attributes: Rpc.Broadcast, Rpc.Host, Rpc.Owner — Targeting and Flags s&box RPCs are declared with nested attributes on the static class. The old top-level a…

menu_bookDocumentation
May 4, 2026

RPC Security: How s&box Validates Incoming RPCs — Attribute Check, Permission Flags, Kick on Unauthorized

RPC Security: How s&box Validates Incoming RPCs Understanding how s&box validates incoming RPCs is important for writing secure multiplayer code. Validation Ste…

menu_bookDocumentation
May 20, 2026

RPC Messages: Remote Procedure Calls with Broadcast, Owner, and Host Targets

Components can contain RPCs (Remote Procedure Calls). An RPC is a function that when called, is also called remotely on other clients. Broadcast RPC makes a fun…

menu_bookDocumentation
May 20, 2026

RPC Messages: Broadcast, Owner, Host with Filtering and Caller Info

Components can contain RPCs — functions that when called locally, are also called remotely. Supported RPC argument types are the same as Sync properties. Basic …

menu_bookDocumentation
May 4, 2026

s&box Source Generator: IUpdateSubscriber, WrappedPropertySet, and How [Sync]/[Rpc.*] Work at Compile Time

s&box Source Generator: How [CodeGenerator] Works for [Sync] and [Rpc.*] The Roslyn source generator transforms your C# code at compile time. Understanding this…

menu_bookDocumentation
Jun 16, 2026

Building a Networked Radio System with 3D Audio and Sync

Building a functional, interactive, and multiplayer-compatible radio system in s&box requires coordinating networked replication, local 3D audio handles, extern…

menu_bookDocumentation
May 4, 2026

Sandbox: BanSystem — persistent ban list with INetworkListener.AcceptConnection

Sandbox BanSystem — Persistent Ban List with INetworkListener is a that implements to intercept incoming connections and reject banned players before they join.…

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…

menu_bookDocumentation
May 4, 2026

PlayerController: Architecture, Ground Detection, Jump System, WishVelocity Sync, and Physics Step Integration

PlayerController: Architecture, Ground Detection, and Jump System is the built-in s&box character movement component. It uses a internally and implements to hoo…

menu_bookDocumentation
May 4, 2026

Code Upgrader Diagnostics: SBOX001-SBOX007 and SB3000 Roslyn Analyzer Warnings

Code Upgrader Diagnostics: s&box Roslyn Analyzer Warnings s&box ships a Roslyn analyzer () that warns about deprecated patterns and auto-fixes them. These appea…

menu_bookDocumentation
May 20, 2026

Networked Objects: NetworkSpawn, Interpolation, and Network Modes

Any GameObject can become a networked object by calling on it. It will then be sent to all clients and can have Sync Properties and RPC Messages. Network Mode I…

menu_bookDocumentation
May 5, 2026

Code Generation - s&box Documentation

Official s&box documentation for Code Generation - compile-time code generation. Code Generation covers the source generator system in s&box. The generator crea…

menu_bookDocumentation
May 20, 2026

Networked Objects: Spawning, Network Modes, and Interpolation

Any GameObject can become networked by calling . It will then be sent to all clients and can have Sync Properties and RPC Messages. Spawning a Networked Object …