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 Hubujiu/fan-poker-teaching-skill --skill fan-poker-teaching-skillgit clone --depth 1 https://github.com/Hubujiu/fan-poker-teaching-skillWrote 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/hubujiu/fan-poker-teaching-skill/fan-poker-teaching-skill)<a href="https://agentmods.dev/skills/hubujiu/fan-poker-teaching-skill/fan-poker-teaching-skill"><img src="https://agentmods.dev/badge/skills/hubujiu/fan-poker-teaching-skill/fan-poker-teaching-skill/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/hubujiu/fan-poker-teaching-skill/fan-poker-teaching-skill"><img src="https://agentmods.dev/badge/skills/hubujiu/fan-poker-teaching-skill/fan-poker-teaching-skill.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 | $0.00020 | $0.00487 |
| Opus 5 | $0.00010 | $0.00244 |
| Sonnet 5 | $0.00004 | $0.00097 |
| Haiku 4.5 | $0.00002 | $0.00049 |
Grade A, and why
fan-poker-deck 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
Fan Poker Deck Skill
Use the fixed v2 release:
<script
type="module"
src="https://cdn.jsdelivr.net/npm/@hubujiu/[email protected]/dist/fan-poker.js">
</script>
Output contract
Generate one <fan-poker> containing one or more <fan-card> children.
Each <fan-card> must:
- Have a useful
aria-label. - Contain the complete card-face HTML.
- Include its own
<style>when visual styling is required. - Prefer
:hostfor the world background, foreground, and typography. - Give the main root
min-width: 100%andmin-height: 100%. - Deliberately use a wider child only when horizontal scrolling is desired.
Do not generate the removed v1 template fields as a required structure. There is no mandatory cover, index, tag, title, body, footer, toolbar, counter, or progress bar.
Interaction rules
- Vertical overflow scrolls inside the card.
- Native scrollbars stay hidden.
- Floating scrollbars appear near the right or bottom edge.
- Horizontal overflow owns horizontal dragging.
- Deck dragging is available when the current world does not overflow horizontally.
- Add
data-fan-interactiveto custom drag controls that must never start deck navigation. - The component itself does not draw a focus indicator.
Minimal card
<fan-poker card-width="390px" card-height="520px" aria-label="Git lesson">
<fan-card aria-label="Git working tree">
<style>
:host {
display: block;
min-height: 100%;
background: #fff8ed;
color: #171717;
font-family: system-ui, sans-serif;
}
article {
min-width: 100%;
min-height: 100%;
padding: 28px;
}
</style>
<article>
<h1>Working tree</h1>
<p>Your uncommitted file changes live here.</p>
</article>
</fan-card>
</fan-poker>
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 · 70 lines · 20 tokens per session scan A 29acb01ae3cb
fan-poker-deck is a skill published in the GitHub repository Hubujiu/fan-poker-teaching-skill (2 stars, last pushed 1mo ago), licensed MIT. It adds 20 tokens to every session and 487 once invoked, about $0.0001 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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