Borrowing it
Nothing to install: this file belongs to xiaolai/vmark. 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/xiaolai/vmark/main/.claude/skills/workflow-audit/SKILL.mdgit clone --depth 1 https://github.com/xiaolai/vmarkWrote 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/xiaolai/vmark/workflow-audit)<a href="https://agentmods.dev/skills/xiaolai/vmark/workflow-audit"><img src="https://agentmods.dev/badge/skills/xiaolai/vmark/workflow-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/xiaolai/vmark/workflow-audit"><img src="https://agentmods.dev/badge/skills/xiaolai/vmark/workflow-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Excessive Agency · line 135 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
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 | $0.00039 | $0.02477 |
| Opus 5.5 | $0.00016 | $0.00991 |
| Sonnet 5.5 | $0.00008 | $0.00495 |
| Haiku 4.5 | $0.00004 | $0.00248 |
Grade A, and why
workflow-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 2mo 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 — 203 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Workflow Audit
Comprehensive audit of .github/workflows/*.yml files against GitHub Actions
best practices, security hardening guidelines, and project conventions.
When to Use
- User asks to audit, review, or check workflows
- Before committing changes to any workflow file
- After a workflow failure that needs root-cause analysis
- Periodic health check (e.g., monthly)
Workflow
- Discover — Glob
.github/workflows/*.ymland list all workflow files. - Parse — Read each file; validate YAML syntax.
- Audit — Run every check in the checklist below against each file.
- Cross-check — Run cross-workflow consistency checks.
- Report — Output a findings table sorted by severity (critical > high > medium > low).
- Fix offer — For each finding, suggest a concrete fix (diff or instruction).
Audit Checklist
1. YAML Validity
- File parses as valid YAML.
- No duplicate keys at the same level.
- No tabs (GitHub Actions requires spaces).
2. Action Version Currency
Check every uses: line.
| Pattern | Severity | Rule |
|---|---|---|
actions/checkout@v4 or lower |
critical | Upgrade to @v6. Node.js 20 actions break June 2, 2026 (forced to Node 24). |
actions/setup-node@v4 or lower |
critical | Same — upgrade to @v6. |
actions/cache@v3 or lower |
high | Upgrade to @v4. |
pnpm/action-setup@v3 or lower |
high | Upgrade to @v4. |
softprops/action-gh-release@v1 |
medium | Upgrade to @v2. |
actions/upload-pages-artifact@v2 or lower |
medium | Upgrade to @v3. |
actions/deploy-pages@v3 or lower |
medium | Upgrade to @v4. |
Any @main or @master pin |
high | Pin to a tag or SHA — mutable refs are a supply-chain risk. |
Node.js deprecation timeline (reference for findings):
- June 2, 2026: Node 24 becomes default (
FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=trueto opt in early). - Fall 2026: Node 20 removed entirely from runners.
- Temporary opt-out after June 2:
ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION=true(stops working fall 2026).
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.
- 2mo ago First seen · 203 lines · 39 tokens per session scan A 9862b8f81a60
workflow-audit is a skill published in the GitHub repository xiaolai/vmark (878 stars, last pushed yesterday), licensed ISC. It adds 39 tokens to every session and 2,477 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 2026-08-30.
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