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tiny-world-builder: Skill for Codex

.codex/skills/tinyworld-ghost-world-gen/SKILL.md

tinyworld-ghost-world-gen is a skill for Codex from yunyang088/tiny-world-builder. It costs 41 tokens per session (1,622 once invoked), scanned A, original, AGPL-3.0.

A project-specific guide for generating the ghost world in Tiny World Builder, a low-poly 3D board scene. It covers roads, paths, rivers, repeatable regeneration, and connections at the board edges.

In plain words
What is it for?
Use it when editing the ghost-world generator, including routes, rivers, regeneration, or edge connections.
Why use it?
It helps preserve continuity when changing how the generated board is laid out. Repeatable generation also makes changes easier to check consistently.

Skill for Codex

Written for Codex: installed under .codex/.

This is yunyang088/tiny-world-builder's own configuration. It tells 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 5repo 5mo ago A scan 41 tokens AGPL-3.0
View source ↗ yunyang088/tiny-world-builder
Reuse

Borrowing it

Nothing to install: this file belongs to yunyang088/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/yunyang088/tiny-world-builder/main/.codex/skills/tinyworld-ghost-world-gen/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/yunyang088/tiny-world-builder

Made for: 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 tinyworld-ghost-world-gen

README.md
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Your own site
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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 tinyworld-ghost-world-gen

Your own site · 80×15
<a href="https://agentmods.dev/skills/yunyang088/tiny-world-builder/tinyworld-ghost-world-gen"><img src="https://agentmods.dev/badge/skills/yunyang088/tiny-world-builder/tinyworld-ghost-world-gen.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,622 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.
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 $0.00041 $0.01622
Opus 5.5 $0.00016 $0.00649
Sonnet 5.5 $0.00008 $0.00324
Haiku 4.5 $0.00004 $0.00162

Measured 2mo ago against content hash 942cfa691782, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

tinyworld-ghost-world-gen 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.

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.

.codex/skills/tinyworld-ghost-world-gen/SKILL.md · 151 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

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 · 151 lines · 41 tokens per session scan A 942cfa691782

Subscribe to this mod's changes

tinyworld-ghost-world-gen is a skill published in the GitHub repository yunyang088/tiny-world-builder (5 stars, last pushed 5mo ago), licensed AGPL-3.0. It adds 41 tokens to every session and 1,622 once invoked, about $0.0002 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 2026-08-31.

Game development
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tinyworld-ghost-world-gen compared with skills from other repositories

tinyworld-ghost-world-gen next to 6 skills from other repositories
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motionOpenDCAI/GameFactory-3ASkill1.0k10d agoApache-2.0A0Claude Code, Codex
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