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esp-mosaico-vibe: Skill for Codex

.agents/skills/mosaico-game-development/SKILL.md

mosaico-game-development is a skill for Codex from esp-mosaico/esp-mosaico-vibe. It costs 38 tokens per session (569 once invoked), scanned A, original, no licence file.

A development guide for making 2D games on ESP-Mosaico with its Raylib-compatible game toolkit. It covers game features, graphics, assets, sound, input, testing, packaging, and deployment to the device.

In plain words
What is it for?
Use it to create, extend, debug, test, package, or install ESP-Mosaico games, including touch controls, replay, performance work, and recovery-safe deployment.
Why use it?
It brings the device-specific rules and tools for creating and safely installing games into one workflow.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: installed under .agents/ (shared by several agents).

This is esp-mosaico/esp-mosaico-vibe's own configuration. It tells Codex how to work on esp-mosaico-vibe 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 esp-mosaico-vibe configures →

not rated 58repo +5 changed 15d ago A scan 38 tokens no licence
View source ↗ esp-mosaico/esp-mosaico-vibe
Reuse

Borrowing it

Nothing to install: this file belongs to esp-mosaico/esp-mosaico-vibe. 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/esp-mosaico/esp-mosaico-vibe/main/.agents/skills/mosaico-game-development/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/esp-mosaico/esp-mosaico-vibe

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 mosaico-game-development

README.md
[![agentmods](https://agentmods.dev/badge/skills/esp-mosaico/esp-mosaico-vibe/mosaico-game-development/github.svg)](https://agentmods.dev/skills/esp-mosaico/esp-mosaico-vibe/mosaico-game-development)
Your own site
<a href="https://agentmods.dev/skills/esp-mosaico/esp-mosaico-vibe/mosaico-game-development"><img src="https://agentmods.dev/badge/skills/esp-mosaico/esp-mosaico-vibe/mosaico-game-development/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 mosaico-game-development

Your own site · 80×15
<a href="https://agentmods.dev/skills/esp-mosaico/esp-mosaico-vibe/mosaico-game-development"><img src="https://agentmods.dev/badge/skills/esp-mosaico/esp-mosaico-vibe/mosaico-game-development.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 569 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 $0.00038 $0.00569
Opus 5.5 $0.00015 $0.00228
Sonnet 5.5 $0.00008 $0.00114
Haiku 4.5 $0.00004 $0.00057

Measured 15d ago against content hash 7f788bf0717e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

mosaico-game-development 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 15d 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.

.agents/skills/mosaico-game-development/SKILL.md · 45 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

4 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. 15d ago Changed · +8 lines 7f788bf0717e
  2. 1mo ago Changed d3a7a3110f86
  3. 1mo ago Changed · +3 lines 06a8b075196f
  4. 1mo ago Changed · -56 lines · -37 tokens per session 937a76df588f
  5. 1mo ago Changed · -2 tokens per session 38cd636ad5a1
  6. 1mo ago Changed · +7 lines 30d65ffce58c
  7. 1mo ago First seen · 83 lines · 77 tokens per session scan A aa9ca3339897

Subscribe to this mod's changes

mosaico-game-development is a skill published in the GitHub repository esp-mosaico/esp-mosaico-vibe (58 stars, last pushed yesterday), with no licence file. It adds 38 tokens to every session and 569 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 2026-09-16.

Game developmentHardware and IoT
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