Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add 0xheycat/isometric-game-skills --skill asset-pipeline-automationgit clone --depth 1 https://github.com/0xheycat/isometric-game-skillsWrote 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.
[](https://agentmods.dev/skills/0xheycat/isometric-game-skills/asset-pipeline-automation)<a href="https://agentmods.dev/skills/0xheycat/isometric-game-skills/asset-pipeline-automation"><img src="https://agentmods.dev/badge/skills/0xheycat/isometric-game-skills/asset-pipeline-automation/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.
<a href="https://agentmods.dev/skills/0xheycat/isometric-game-skills/asset-pipeline-automation"><img src="https://agentmods.dev/badge/skills/0xheycat/isometric-game-skills/asset-pipeline-automation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00035 | $0.00431 |
| Opus 5 | $0.00017 | $0.00216 |
| Sonnet 5 | $0.00007 | $0.00086 |
| Haiku 4.5 | $0.00003 | $0.00043 |
Grade A, and why
asset-pipeline-automation 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 12d 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.
What it actually says
Asset Pipeline Automation
Overview
Manual asset handling does not scale past a few sprites. This skill builds a one-command pipeline: clean -> pack atlas -> emit JSON -> validate, so artists regenerate and the game just updates.
When to Use
- You regenerate assets often and redo packing by hand.
- Atlas/JSON drifts out of sync with the sprites.
- You want a reproducible build step for art.
Process
- Define input (raw generated sprites) and output (atlas + JSON + map) folders.
- Script step 1: background cleanup (see
transparent-cutout-cleanup). - Script step 2: atlas packing + JSON (see
spritesheet-atlas-packing). - Script step 3: validate every referenced sprite exists in the atlas.
- Make it one command (
npm run assets) and idempotent. - Fail loudly if a sprite is missing or an anchor is undefined.
- Run it in CI so broken assets never ship.
npm run assets # clean -> pack -> emit json -> validate
Rationalizations (Stop Lying to Yourself)
| Excuse | Reality |
|---|---|
| "Packing by hand is fine for now" | It will not be fine at 100 sprites. Automate early. |
| "I will validate manually" | Manual validation misses one sprite and ships a hole. Automate the check. |
Red Flags - STOP if you catch yourself:
- Manual atlas packing on every art change.
- Atlas and JSON drifting out of sync.
- No validation that referenced sprites exist.
Verification
You are NOT done until every box is checked:
- One command rebuilds atlas + JSON from raw sprites.
- Pipeline validates all references and fails loudly.
- Build is idempotent and runs in CI.
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.
- 12d ago First seen · 53 lines · 35 tokens per session scan A e70a1d87fd75
asset-pipeline-automation is a skill published in the GitHub repository 0xheycat/isometric-game-skills (15 stars, last pushed 1mo ago), licensed MIT. It adds 35 tokens to every session and 431 once invoked, about $0.0002 per session on Opus 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.
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