Borrowing it
Nothing to install: this file belongs to deonmenezes/mantishack. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/deonmenezes/mantishack/main/.codex/skills/osv-dependency-scan/SKILL.mdgit clone --depth 1 https://github.com/deonmenezes/mantishackWrote 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/deonmenezes/mantishack/osv-dependency-scan)<a href="https://agentmods.dev/skills/deonmenezes/mantishack/osv-dependency-scan"><img src="https://agentmods.dev/badge/skills/deonmenezes/mantishack/osv-dependency-scan/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/deonmenezes/mantishack/osv-dependency-scan"><img src="https://agentmods.dev/badge/skills/deonmenezes/mantishack/osv-dependency-scan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00031 | $0.00259 |
| Opus 5 | $0.00015 | $0.00130 |
| Sonnet 5 | $0.00006 | $0.00052 |
| Haiku 4.5 | $0.00003 | $0.00026 |
Grade A, and why
osv-dependency-scan 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 9d 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
Use osv_scan({ path }) (mantis_osv_scanner MCP server) for the Detect stage's SCA coverage: known-vulnerable dependencies matched against the OSV database, recursively across manifests/lockfiles under path.
- Each result is a
candidatekeyed by package + version + advisory id (CVE/GHSA). A vulnerable dependency being present does not mean the vulnerable code path is reachable or exercised by the application -- that's a separate reachability question. - Before validating, check whether the vulnerable function/API of the dependency is actually called anywhere in the target codebase (grep/ast-grep for the relevant import or call). If it's an unused transitive dependency, note that in the rejection reason rather than dropping the finding silently.
- Prefer
offline: trueonly when the environment has no network access to query the live OSV database; note in your report that offline results may be stale. - If
osv-scannerreportsavailable: false, say so explicitly -- don't claim SCA coverage you didn't actually get.
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.
- 9d ago First seen · 12 lines · 31 tokens per session scan A b3246f8c5c35
osv-dependency-scan is a skill published in the GitHub repository deonmenezes/mantishack (495 stars, last pushed 28d ago), licensed Apache-2.0. It adds 31 tokens to every session and 259 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 2026-08-30.
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