Borrowing it
Nothing to install: this file belongs to arojit/vulnpilot-mcp. 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/arojit/vulnpilot-mcp/main/.agents/skills/oss-audit/SKILL.mdgit clone --depth 1 https://github.com/arojit/vulnpilot-mcpWrote 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/arojit/vulnpilot-mcp/oss-audit)<a href="https://agentmods.dev/skills/arojit/vulnpilot-mcp/oss-audit"><img src="https://agentmods.dev/badge/skills/arojit/vulnpilot-mcp/oss-audit/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/arojit/vulnpilot-mcp/oss-audit"><img src="https://agentmods.dev/badge/skills/arojit/vulnpilot-mcp/oss-audit.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 | $0.00045 | $0.00690 |
| Opus 5.5 | $0.00018 | $0.00276 |
| Sonnet 5.5 | $0.00009 | $0.00138 |
| Haiku 4.5 | $0.00005 | $0.00069 |
Grade A, and why
oss-vulnerability-audit 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 1mo 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 — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OSS Vulnerability Audit with VulnPilot
Use the VulnPilot MCP server tools whenever the user asks to:
- Audit dependencies for vulnerabilities
- Check if a package version is vulnerable
- Analyze reachability of a dependency
- Generate a security report
- Perform supply-chain or OSS risk analysis
Workflow
1. Identify Dependencies
Read the project's manifest file to extract dependency names and versions:
| Ecosystem | Files to read |
|---|---|
| PyPI | pyproject.toml, requirements.txt, uv.lock, poetry.lock |
| npm | package.json, package-lock.json, yarn.lock |
| Maven | pom.xml |
| Gradle | build.gradle, build.gradle.kts |
2. Check Each Package
For every dependency, call the VulnPilot check_package tool:
check_package(
package_name="<name>",
version="<version>",
ecosystem="PyPI" # or npm, Maven, Gradle
)
3. Analyze Reachability (for vulnerable packages)
For each vulnerable package, call analyze_reachability:
analyze_reachability(
project_path="/absolute/path/to/project",
package_name="<name>",
ecosystem="PyPI"
)
Then re-call check_package with the reachability and scope info to refine priority:
check_package(
package_name="<name>",
version="<version>",
ecosystem="PyPI",
is_reachable=True,
dependency_scope="production"
)
4. Generate Report
After all packages are checked, aggregate the results and call generate_report:
generate_report(
results=[...], # list of PackageReport objects
project_name="my-app",
ecosystem="PyPI",
output_dir=".vulnpilot"
)
This produces a self-contained HTML report saved to .vulnpilot/.
5. Summarize
Present a concise summary to the user:
- Total packages scanned vs vulnerable
- Breakdown by priority (IMMEDIATE > URGENT > HIGH > NORMAL)
- Top recommended actions
- Path to the saved HTML report
Priority Levels
| Priority | Meaning | Action |
|---|---|---|
| IMMEDIATE | Listed in CISA KEV — actively exploited | Patch today |
| URGENT | Reachable + EPSS ≥ 50% | Fix this sprint |
| HIGH | Production + CRITICAL severity | Plan for next release |
| NORMAL | Lower risk | Track and address at convenience |
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.
- 1mo ago First seen · 106 lines · 45 tokens per session scan A 9bec71e2ab5a
oss-vulnerability-audit is a skill published in the GitHub repository arojit/vulnpilot-mcp (1 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 45 tokens to every session and 690 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-08-31.
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