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 memi-design/design-skills --skill emil-design-enggit clone --depth 1 https://github.com/memi-design/design-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/memi-design/design-skills/emil-design-eng)<a href="https://agentmods.dev/skills/memi-design/design-skills/emil-design-eng"><img src="https://agentmods.dev/badge/skills/memi-design/design-skills/emil-design-eng/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/memi-design/design-skills/emil-design-eng"><img src="https://agentmods.dev/badge/skills/memi-design/design-skills/emil-design-eng.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 | $0.00033 | $0.00230 |
| Opus 5 | $0.00016 | $0.00115 |
| Sonnet 5 | $0.00007 | $0.00046 |
| Haiku 4.5 | $0.00003 | $0.00023 |
Grade A, and why
emil-design-eng 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
Emil design engineering
Use this skill as a broad design-engineering field guide. Prefer a narrower skill such as review-animations, improve-animations, or find-animation-opportunities when the request has one bounded motion outcome. Route shader, dither, particle, and GPU-effect implementation to shader-design-engineering, and route rendering evidence audits to creative-rendering-audit.
Workflow
- Read the relevant section of the upstream field guide.
- Inspect the actual interface, code, and interaction frequency before applying a rule.
- Preserve the product's established visual language unless a change has clear user value.
- Use exact values only when the current component and context support them.
- Verify the result at normal speed, reduced motion, and the target input modality.
This adaptation preserves Emil Kowalski's MIT-licensed upstream guide and routes it through progressive disclosure.
What ships with it
3 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.
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 · 19 lines · 33 tokens per session scan A 4274a36c9b58
emil-design-eng is a skill published in the GitHub repository memi-design/design-skills (7 stars, last pushed 1mo ago), licensed MIT. It adds 33 tokens to every session and 230 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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