Use when writing or modifying code for s&box, sbox, the Facepunch sandbox engine, or any Source 2 game project in C. Triggers on mentions of s&box, sbox, sandbox game, Facepunch engine, Source 2 game, .sbproj, .razor with PanelComponent, @inherits PanelComponent, Sandbox.Component, GameObject + Components.Get , Scene.Trace, CharacterController + .Move(), SkinnedModelRenderer, NavMeshAgent, [Sync], [Rpc.Broadcast], [Property], INetworkListener, ISceneEvent, PlayerController in C. Also triggers on any file with using Sandbox; or using Sandbox.UI; that isn't Unity/Godot/Unreal. Writes idiomatic s&box C components, Razor UI, and networking code; prevents Unity-pattern leakage.
EnglishUse when building, modifying, or polishing any feature in an s&box game project through the Claude Bridge — gameplay systems, UI panels, character abilities, animation, world generation, anything that produces a visible or runtime change. Codifies the screenshot-driven iteration workflow that prevents the "guess-and-check" loop the bridge is most susceptible to.
English
AGENT SKILLS ATLASIncludes Sbox Build Feature and other workflows.
Claude Code
Codex
Cursor
GitHub Copilot
Gemini CLISupported by the Atlas install prompt. Skill-specific requirements vary.
Pack stats
What’s included
Sbox API
Use when writing or modifying code for s&box, sbox, the Facepunch sandbox engine, or any Source 2 game project in C. Triggers on mentions of s&box, sbox, sandbox game, Facepunch engine, Source 2 game, .sbproj, .razor with PanelComponent, @inherits PanelComponent, Sandbox.Component, GameObject + Components.Get , Scene.Trace, CharacterController + .Move(), SkinnedModelRenderer, NavMeshAgent, [Sync], [Rpc.Broadcast], [Property], INetworkListener, ISceneEvent, PlayerController in C. Also triggers on any file with using Sandbox; or using Sandbox.UI; that isn't Unity/Godot/Unreal. Writes idiomatic s&box C components, Razor UI, and networking code; prevents Unity-pattern leakage.
Sbox Build Feature
Use when building, modifying, or polishing any feature in an s&box game project through the Claude Bridge — gameplay systems, UI panels, character abilities, animation, world generation, anything that produces a visible or runtime change. Codifies the screenshot-driven iteration workflow that prevents the "guess-and-check" loop the bridge is most susceptible to.
Quick start
- Choose your skills. Select individual skills above, or choose the entire pack.
- Copy the install prompt. Use Copy install prompt above the list.
- Send it to your agent. Paste into your coding agent’s chat. Your agent reviews the source and guides the setup.
Try it with your agent
After installation, start with a request like:
Use the Sbox API skill to help with my task.
Ask me for the context you need before getting started.Requirements & license
- A coding agent that can access your project files and install skills.
- Your agent checks each skill’s instructions, dependencies, and permissions during setup.
- Reported license for the skills shown: AGPL-3.0. The author’s terms apply.