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 trailofbits/skills-curated --skill wooyun-legacygit clone --depth 1 https://github.com/trailofbits/skills-curatedWrote 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/trailofbits/skills-curated/wooyun-legacy)<a href="https://agentmods.dev/skills/trailofbits/skills-curated/wooyun-legacy"><img src="https://agentmods.dev/badge/skills/trailofbits/skills-curated/wooyun-legacy/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/trailofbits/skills-curated/wooyun-legacy"><img src="https://agentmods.dev/badge/skills/trailofbits/skills-curated/wooyun-legacy.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 | $0.00080 | $0.03273 |
| Opus 5 | $0.00040 | $0.01636 |
| Sonnet 5 | $0.00016 | $0.00655 |
| Haiku 4.5 | $0.00008 | $0.00327 |
Grade B, and why
wooyun-legacy scanned grade B 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 8d 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.
Reaches for credential filesmediumPrivilege escalation
SSH keys, cloud credentials, git-credentials, .npmrc, /etc/shadow: reading these is how a config file becomes a credential leak.
Target files (Linux): `/etc/passwd`, `/etc/shadow`, Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.
The source is not reproduced here
Licensed CC-BY-SA-4.0
The repository is licensed CC-BY-SA-4.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.
What ships with it
24 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.
- references/bank-penetration.md 8.9 KB
- references/checklists/command-execution-checklist.md 3.4 KB
- references/checklists/csrf-checklist.md 2.9 KB
- references/checklists/file-upload-checklist.md 3.6 KB
- references/checklists/info-disclosure-checklist.md 3.5 KB
- references/checklists/logic-flaws-checklist.md 3.6 KB
- references/checklists/misconfig-checklist.md 3.9 KB
- references/checklists/path-traversal-checklist.md 3.1 KB
- references/checklists/rce-checklist.md 3.1 KB
- references/checklists/sql-injection-checklist.md 3.1 KB
- references/checklists/ssrf-checklist.md 3.6 KB
- references/checklists/unauthorized-access-checklist.md 3.4 KB
- references/checklists/weak-password-checklist.md 3.9 KB
- references/checklists/xss-checklist.md 3.8 KB
- references/checklists/xxe-checklist.md 4.3 KB
- references/command-execution.md 23 KB
- references/file-upload.md 29 KB
- references/info-disclosure.md 27 KB
- references/logic-flaws.md 21 KB
- references/path-traversal.md 31 KB
- references/sql-injection.md 30 KB
- references/telecom-penetration.md 5.2 KB
- references/unauthorized-access.md 28 KB
- references/xss.md 19 KB
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.
- 8d ago First seen · 368 lines · 80 tokens per session scan B 381b74bb3408
wooyun-legacy is a skill published in the GitHub repository trailofbits/skills-curated (498 stars, last pushed 1mo ago), licensed CC-BY-SA-4.0. It adds 80 tokens to every session and 3,273 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it B with 1 finding (reaches for credential files). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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