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 agentmods add skills/revfactory/opengraph/crawl-engine-designnpx skills add revfactory/opengraph --skill crawl-engine-designgit clone --depth 1 https://github.com/revfactory/opengraphWhat 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 | $0.00159 | $0.02079 |
| Opus 5 | $0.00079 | $0.01040 |
| Sonnet 5 | $0.00032 | $0.00416 |
| Haiku 4.5 | $0.00016 | $0.00208 |
Grade C, and why
crawl-engine-design scanned grade C with 1 finding 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 2d 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.
Cloud metadata endpointhighServer-side request forgery
One request to 169.254.169.254 can return temporary IAM credentials.
- **SSRF 가드**: 사설 IP 대역(10/8, 172.16/12, 192.168/16, 127/8, ::1, fc00::/7), 링크로컬(169.254/16), **클라우드 메타데이터(169.254.169.254)** 차단. **DNS 해석 후의 실제 IP로 검증**하고, **리다이렉트 홉마다 재검증**한다 (리다이렉트가 내부로 point할 수 있음 — 가장 흔한 실수). 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.
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.
- 2d ago First seen · 121 lines · 159 tokens per session scan C 39dcc512bb35
crawl-engine-design is a skill published in the GitHub repository revfactory/opengraph (5 stars, last pushed 2mo ago), with no licence file. It adds 159 tokens to every session and 2,079 once invoked, about $0.0008 per session on Opus 5. A static security scan graded it C with 1 finding (cloud metadata endpoint). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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