Threejs Fundamentals
Threejs Fundamentals is an agent skill (a SKILL.md file) from CloudAI-X/threejs-skills. Three.js scene setup: scenes and fog, cameras, the renderer and tone mapping, the animation loop, object hierarchies, transforms, core math and cleanup, on WebGL or with WebGPU and TSL. It works with Claude Code and has 3,745 GitHub stars across a repository of 3 listed skills.
github.com/CloudAI-X/threejs-skills/skills/threejs-fundamentals (opens in a new tab)
Data as of from the GitHub API and skills.sh; description from the skill's SKILL.md. Report an error
Add this skill
Claude
Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):
git clone --depth 1 https://github.com/CloudAI-X/threejs-skills.git
cp -r threejs-skills/skills/threejs-fundamentals ~/.claude/skills/threejs-fundamentals # personal, or .claude/skills in a projectIn the Claude apps, zip the threejs-fundamentals folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).
ChatGPT / Codex
Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:
git clone --depth 1 https://github.com/CloudAI-X/threejs-skills.git
cp -r threejs-skills/skills/threejs-fundamentals .agents/skills/threejs-fundamentals # repo; ~/.agents/skills for all projectsStandalone skills also load in the ChatGPT desktop app.
Cursor
Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:
git clone --depth 1 https://github.com/CloudAI-X/threejs-skills.git
cp -r threejs-skills/skills/threejs-fundamentals .cursor/skills/threejs-fundamentals # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)
What this skill does
Three.js scene setup: scenes and fog, cameras, the renderer and tone mapping, the animation loop, object hierarchies, transforms, core math and cleanup, on WebGL or with WebGPU and TSL. Use when creating a scene from scratch, configuring a camera or renderer, handling resize, or arranging objects. Targets three.js r186. Examples use WebGLRenderer; the WebGPU and TSL section uses WebGPURenderer.
When it triggers
- Use when creating a scene from scratch, configuring a camera or renderer, handling resize, or arranging objects.
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How do I install the Threejs Fundamentals skill?
Copy the threejs-fundamentals folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.
Is the Threejs Fundamentals skill free?
Yes. The repository is open source under the MIT license.
Is Threejs Fundamentals maintained?
The repository's most recent commit was on Oct 19, 2026. appsgit only lists skills from repositories with a commit in the last six months.