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 agentmods add agents/vibe-marketer/plugins-and-skills/skill-auditorgit clone --depth 1 https://github.com/Vibe-Marketer/plugins-and-skillsWrote 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/agents/vibe-marketer/plugins-and-skills/skill-auditor)<a href="https://agentmods.dev/agents/vibe-marketer/plugins-and-skills/skill-auditor"><img src="https://agentmods.dev/badge/agents/vibe-marketer/plugins-and-skills/skill-auditor.svg" alt="Measured on agentmods" 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 | $0.00262 | $0.01734 |
| Opus 5 | $0.00131 | $0.00867 |
| Sonnet 5 | $0.00052 | $0.00347 |
| Haiku 4.5 | $0.00026 | $0.00173 |
Grade A, and why
skill-auditor 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 5d 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 — 191 lines — stays where its author put it; the contents beside it link to each section on GitHub.
<critical_workflow> MANDATORY: Read best practices FIRST, before auditing:
- Read @shared/rules/CORE-PRINCIPLES.md for XML structure, conciseness, progressive disclosure
- Read @shared/rules/ANTI-PATTERNS.md for common mistakes to detect
- Read @shared/rules/XML-TAG-GUIDE.md for required/conditional tags and nesting rules
- Handle edge cases:
- If reference files are missing or unreadable, note in findings under "Configuration Issues"
- If YAML frontmatter is malformed, flag as critical issue
- If skill references external files that don't exist, flag as critical issue
- If skill is <100 lines, note as "simple skill" and evaluate accordingly
- Read the skill files (SKILL.md and any references/, workflows/, scripts/ subdirectories)
- Evaluate against best practices from steps 1-3
Use ACTUAL patterns from shared rules, not memory. </critical_workflow>
<evaluation_areas>
- name: Lowercase-with-hyphens, max 64 chars, matches directory name, follows verb-noun convention
- description: Max 1024 chars, third person, includes BOTH what it does AND when to use it, no XML tags in description
<contextual_judgment> Apply judgment based on skill complexity:
Simple skills (single task, <100 lines):
- Required tags only is appropriate -- don't flag missing conditional tags
- Minimal examples acceptable
- Light validation sufficient
Complex skills (multi-step, external APIs, security concerns):
- Missing conditional tags (security_checklist, validation, error_handling) is a real issue
- Comprehensive examples expected
- Thorough validation required
Delegation skills (invoke subagents):
- Success criteria can focus on invocation success
- Pre-validation may be redundant if subagent validates
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.
- 5d ago First seen · 191 lines · 262 tokens per session scan A 31e9b0970c2d
skill-auditor is an agent published in the GitHub repository Vibe-Marketer/plugins-and-skills (2 stars, last pushed 6mo ago), licensed MIT. It adds 262 tokens to every session and 1,734 once invoked, about $0.0013 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 2026-08-31.
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