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 cxcscmu/SkillLearnBench --skill poetic-compositiongit clone --depth 1 https://github.com/cxcscmu/SkillLearnBenchWrote 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/cxcscmu/skilllearnbench/poetic-composition)<a href="https://agentmods.dev/skills/cxcscmu/skilllearnbench/poetic-composition"><img src="https://agentmods.dev/badge/skills/cxcscmu/skilllearnbench/poetic-composition.svg" alt="Measured on agentmods" 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 | $0.00028 | $0.00208 |
| Opus 5 | $0.00014 | $0.00104 |
| Sonnet 5 | $0.00006 | $0.00042 |
| Haiku 4.5 | $0.00003 | $0.00021 |
Grade A, and why
poetic-composition 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 4d 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
Qi-Yan Lu-Shi (七言律诗) Guidelines
- Structure: 8 lines, 7 characters per line.
- Couplets: Lines 3-4 and 5-6 must form parallel couplets (antithetical in meaning and tone).
- Rhyme: The last characters of lines 1, 2, 4, 6, and 8 must rhyme.
- Tonal Pattern (Modern Mandarin approximation):
- Ping (level tone): 1st and 2nd tones in modern Mandarin.
- Ze (deflected tone): 3rd and 4th tones in modern Mandarin.
- Standard pattern for a line: Ping Ping Ze Ze Ping Ping Ze (or variants).
- Theme: Must convey imagery, emotion, and philosophical reflection.
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.
- 4d ago First seen · 16 lines · 28 tokens per session scan A d5c13f328b10
poetic-composition is a skill published in the GitHub repository cxcscmu/SkillLearnBench (83 stars, last pushed 2mo ago), licensed MIT. It adds 28 tokens to every session and 208 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 2026-09-03.
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