s&box libraries list
Browse public s&box libraries by recent updates, favorites, votes, momentum, and Terry Score.
WIP Lighting Library. Aimed at expanding creativity. Just a Kelvin based spotlight for now but procedural animated lights soon.
Bigger terrain brushes, slope & path sculpting, height setting, and square brush masks for making cooler terrains!
A fully complete water library including GPU compute shaders, underwater post processing and more!
Retarget animations from 19+ humanoid presets, including Mixamo, ActorCore, Mannequin, Cascadeur, and more!
Generate Height/Splat Maps within the editor!
Connects Claude AI to your s&box editor in real-time. Describe what you want and it creates. Game Dev is open for all!
Paint foliage in your scene with instanced rendering
A tool (component) to generate stairs with a polygon mesh.
Timeline editor for cutscenes and trailers
AI coding MCP server with 48 tools
Connect AI coding assistants to your S&box editor in real time — 31 MCP tools for reading, writing, and controlling your scene w
Take better Screenshots inside the editor with Discord WebHook Support!
AI Tools for S&Box, right now it allows you to generate and split sounds in-editor. https://www.youtube.com/watch?v=IaqEkGHyJkM
An easy-to-use crosshair builder inspired by your favorite competitive FPS.
Tool for procedural terrain generation
A prototype inspired by Data Tables from Unreal Engine
Library for quickly building interior room layouts, corridors, doors, windows.
Let AI build in your editor. MCP server with 154 tools for scenes, assets, code and more.
Simple MCP server for AI tools
s&box libraries are reusable packages made for creators rather than players. A library might provide editor tools, UI helpers, effects, character controllers, gameplay systems, shaders, or other code and assets that can be used inside another project.
Libraries are not part of the s&box Play Fund. They are still useful to track because they can shape what gets made. A good library can save time, make a common feature easier to build, or let several projects share the same underlying system.
This s&box libraries list tracks public library packages by favorites, upvotes, downvotes, Terry Score, and recent momentum. Terry Score is a confidence-weighted approval score based on upvotes, downvotes, and vote count. The numbers are only public signals. They do not prove that a library is maintained, documented, compatible with every project, or right for a specific use case.
For libraries, the package title and summary matter more than raw popularity. A small library can be useful if it solves one narrow problem well. A larger library can be useful if it becomes part of how several creators build games, maps, or tools.