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tiny-world-builder: Skill for Claude Code

.agents/skills/lightweight-3d-effects/SKILL.md

lightweight-3d-effects is a skill for Claude Code, Codex from jasonkneen/tiny-world-builder. It costs 110 tokens per session (6,812 once invoked), scanned A, original, AGPL-3.0.

A small web-development toolkit for adding decorative 3D-looking graphics, moving backgrounds, tilt effects, and subtle depth to a page.

In plain words
What is it for?
Use it for pseudo-3D illustrations, animated backgrounds, parallax effects, hover tilt interactions, and other decorative page details.
Why use it?
It helps add visual depth and interaction without bringing in a large application framework.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing. Also seen: installed under .agents/ (shared by several agents).

This is jasonkneen/tiny-world-builder's own configuration. It tells Claude Code and Codex how to work on tiny-world-builder itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything tiny-world-builder configures →

not rated 1.6krepo +4 yesterday A scan SkillSpector: pass 110 tokens AGPL-3.0
View source ↗ jasonkneen/tiny-world-builder tinyworld.build
About the project

Tiny World Builder is a browser-based 3D voxel editor for creating, sculpting, exploring, saving, remixing, exporting, and sharing small block-based worlds. It is used by people who want to build terrain and scenes with objects such as homes, paths, crops, and animals. Its catalogue add-ons support work with the editor.

jasonkneen/tiny-world-builder · 1,621 stars · on GitHub · tinyworld.build

Reuse

Borrowing it

Nothing to install: this file belongs to jasonkneen/tiny-world-builder. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/jasonkneen/tiny-world-builder/main/.agents/skills/lightweight-3d-effects/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/jasonkneen/tiny-world-builder

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for lightweight-3d-effects

README.md
[![agentmods](https://agentmods.dev/badge/skills/jasonkneen/tiny-world-builder/lightweight-3d-effects/github.svg)](https://agentmods.dev/skills/jasonkneen/tiny-world-builder/lightweight-3d-effects)
Your own site
<a href="https://agentmods.dev/skills/jasonkneen/tiny-world-builder/lightweight-3d-effects"><img src="https://agentmods.dev/badge/skills/jasonkneen/tiny-world-builder/lightweight-3d-effects/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for lightweight-3d-effects

Your own site · 80×15
<a href="https://agentmods.dev/skills/jasonkneen/tiny-world-builder/lightweight-3d-effects"><img src="https://agentmods.dev/badge/skills/jasonkneen/tiny-world-builder/lightweight-3d-effects.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 110 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 6,812 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00110 $0.06812
Opus 5.5 $0.00044 $0.02725
Sonnet 5.5 $0.00022 $0.01362
Haiku 4.5 $0.00011 $0.00681

Measured 2mo ago against content hash d0ae4223cce3, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

lightweight-3d-effects scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

The scan reads SKILL.md. This mod also ships 3 executable files (assets/starter_lightweight/main.js, scripts/generate_zdog.py, scripts/setup_vanta.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agents/skills/lightweight-3d-effects/SKILL.md · 1,092 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

10 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 1,092 lines · 110 tokens per session scan A d0ae4223cce3

Subscribe to this mod's changes

lightweight-3d-effects is a skill published in the GitHub repository jasonkneen/tiny-world-builder (1,621 stars, last pushed yesterday), licensed AGPL-3.0. It adds 110 tokens to every session and 6,812 once invoked, about $0.0004 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

CSS and stylingDesign and UXFrontendbuildminecraftvoxel
Related

lightweight-3d-effects compared with skills from other repositories

lightweight-3d-effects next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
lightweight-3d-effectsjasonkneen/tiny-world-builderSkill1.6kyesterdayAGPL-3.0A110Claude Code, Codex
frame-build-minimalnexu-io/html-videoSkill4.8k4mo agoApache-2.0A27Claude Code, Codex
visual-ralphmrzhangguoguo/oh-my-workbuddySkill34mo agoMITA83Claude Code, Codex
anti-slop-designsickn33/agentic-awesome-skillsSkill49kyesterdayMITA34Claude Code
chakra-ui-builderchakra-ui/chakra-uiSkill41kyesterdayMITA214Claude Code, Codex
visual-ralphYeachan-Heo/oh-my-codexSkill34k3d agoMITA52Codex
open-design-setupcompozy/compozySkill2.8kyesterdayMITA67Claude Code, Codex