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 ArabelaTso/Skills-4-SE --skill time-aware-dependency-cve-scannergit clone --depth 1 https://github.com/ArabelaTso/Skills-4-SEWrote 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/arabelatso/skills-4-se/time-aware-dependency-cve-scanner)<a href="https://agentmods.dev/skills/arabelatso/skills-4-se/time-aware-dependency-cve-scanner"><img src="https://agentmods.dev/badge/skills/arabelatso/skills-4-se/time-aware-dependency-cve-scanner/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/arabelatso/skills-4-se/time-aware-dependency-cve-scanner"><img src="https://agentmods.dev/badge/skills/arabelatso/skills-4-se/time-aware-dependency-cve-scanner.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 | $0.00185 | $0.02038 |
| Opus 5 | $0.00093 | $0.01019 |
| Sonnet 5 | $0.00037 | $0.00408 |
| Haiku 4.5 | $0.00018 | $0.00204 |
Grade A, and why
time-aware-dependency-cve-scanner 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.
How it starts
The opening of the file, as written. The whole thing — 264 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Time-Aware Dependency CVE Scanner
Scan repositories for newly disclosed CVEs affecting dependencies after a specific cutoff date. This skill helps track when vulnerabilities were introduced and distinguish between pre-existing and newly disclosed security issues.
Quick Start
Basic scan:
python scripts/scan_repository.py /path/to/repo 2023-01-01
Scan only direct dependencies:
python scripts/scan_repository.py /path/to/repo 2023-01-01 --no-transitive
Output as JSON:
python scripts/scan_repository.py /path/to/repo 2023-01-01 --json > report.json
Workflow
1. Parse Dependencies
The scanner automatically detects and parses dependency manifests:
Supported ecosystems:
- npm: package.json, package-lock.json, yarn.lock
- Maven: pom.xml
- Python: requirements.txt, Pipfile.lock, poetry.lock
- Go: go.mod, go.sum
- Cargo: Cargo.toml, Cargo.lock
Manual parsing (if needed):
python scripts/parse_dependencies.py /path/to/repo
This extracts:
- Package names and exact versions
- Direct vs transitive dependency classification
- Ecosystem identification
For detailed manifest formats, see references/dependency_formats.md
2. Query Vulnerability Databases
The scanner queries multiple databases to find CVEs:
Primary source: OSV.dev (Open Source Vulnerabilities)
- No authentication required
- Broad ecosystem coverage (npm, PyPI, Maven, Go, crates.io, etc.)
- Built-in version matching
- Real-time updates
Additional sources:
- NVD (National Vulnerability Database) - Official CVE records
- GitHub Security Advisory - GitHub-curated vulnerabilities
Manual CVE query (for testing):
python scripts/query_cves.py lodash 4.17.20 npm 2023-01-01
For database details and API usage, see references/vulnerability_databases.md
3. Filter by Cutoff Date
The scanner filters CVEs to include only those disclosed after the cutoff date:
What ships with it
5 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.
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 · 264 lines · 185 tokens per session scan A 635bd5c10da0
time-aware-dependency-cve-scanner is a skill published in the GitHub repository ArabelaTso/Skills-4-SE (252 stars, last pushed 22d ago), licensed Apache-2.0. It adds 185 tokens to every session and 2,038 once invoked, about $0.0009 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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