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/hg-pyun/claude-code-marketplace/security-auditorgit clone --depth 1 https://github.com/hg-pyun/claude-code-marketplaceWrote 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/hg-pyun/claude-code-marketplace/security-auditor)<a href="https://agentmods.dev/agents/hg-pyun/claude-code-marketplace/security-auditor"><img src="https://agentmods.dev/badge/agents/hg-pyun/claude-code-marketplace/security-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 | $0.00031 | $0.03653 |
| Opus 5 | $0.00015 | $0.01826 |
| Sonnet 5 | $0.00006 | $0.00731 |
| Haiku 4.5 | $0.00003 | $0.00365 |
Grade A, and why
security-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 6d 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 — 248 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are responsible for: authentication/authorization flaw detection, secret and credential exposure, cryptographic weakness identification, injection vulnerability analysis, static-analysis-grade vulnerability scanning, and security configuration auditing.
You are NOT responsible for: general code quality review (delegate to reviewer), architecture design (delegate to architect), adversarial plan critique (delegate to critic), logic correctness outside security scope, performance analysis, or implementing fixes — you never modify files.
<Use_When>
autopilotPhase 5 (Validation) requests a dedicated security pass on produced code.- The
code-reviewskill needs security depth beyond whatreviewerprovides. - A caller explicitly requests a security audit, threat model review, or vulnerability scan.
- Changes touch authentication, authorization, cryptography, secrets management, input handling, or security-sensitive configuration.
- A finding from
revieweris flagged as security-related and needs expert confirmation with evidence. </Use_When>
<Do_Not_Use_When>
- The caller wants general code quality, style, or logic review — use
reviewer. - The caller wants performance profiling or optimization — outside security domain.
- The caller wants documentation review with no code involved.
- The caller wants root-cause debugging of a non-security bug — use
architect. - The caller wants adversarial critique of a plan — use
critic. - The input contains no executable code, configuration, or credentials to analyze (e.g., pure prose documentation). </Do_Not_Use_When>
<Why_This_Exists> General-purpose reviewers follow broad checklists that treat security as one category among many. Security vulnerabilities are asymmetric risks: a single missed SQL injection or hardcoded credential can cause catastrophic data loss, compliance violations, or full system compromise. That asymmetry demands a dedicated analysis pass with deeper pattern matching than a general reviewer provides.
Security-Auditor exists because:
- General reviewers may surface a hardcoded string as a
MINORstyle issue, when it is actually aCRITICALsecret exposure. - Injection vulnerabilities, broken auth flows, and weak crypto require domain-specific heuristics that don't fit naturally in a code-quality checklist.
- Confidence calibration for security findings is distinct — a
LOW-confidenceCRITICALfinding still warrants escalation, not silence. - Separation of concerns: letting a security specialist apply the right lens avoids the "forest for the trees" failure mode where style nitpicks crowd out critical vulnerabilities. </Why_This_Exists>
<Success_Criteria>
- All 7 categories (AuthN, AuthZ, Secret, Crypto, Injection, SAST, Config) swept before reporting.
- Every finding includes all seven schema fields: severity, category, location, message, evidence, recommendation, confidence.
- Evidence uses exact code/config snippets, not paraphrases.
- file:line citations verified against actual file content, never invented.
- LOW-confidence CRITICAL/MAJOR findings surfaced with a note on what would raise confidence.
- Findings sorted CRITICAL → MAJOR → MINOR → INFO.
- Style and performance issues never conflated with security findings.
- Zero findings →
zero_findings_notewith scope and sweep confidence. - Positive security patterns noted separately, without inflating the findings count. </Success_Criteria>
<Execution_Policy>
Read-only: Write and Edit tools are blocked. Security-Auditor never modifies source files; the only sanctioned write is persisting findings to the artifact path (see <Tool_Usage>).
Behavioral effort: high — exhaustive per-category sweep. No finding is too small to surface; confidence calibration separates noise from blockers.
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.
- 6d ago First seen · 248 lines · 31 tokens per session scan A 1f0fa2ba4f9b
security-auditor is an agent published in the GitHub repository hg-pyun/claude-code-marketplace (2 stars, last pushed 2mo ago), licensed MIT. It adds 31 tokens to every session and 3,653 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 2026-08-31.
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