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 magnus919/hermes-profiles --skill security-audit-methodologygit clone --depth 1 https://github.com/magnus919/hermes-profilesWrote 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/magnus919/hermes-profiles/security-audit-methodology)<a href="https://agentmods.dev/skills/magnus919/hermes-profiles/security-audit-methodology"><img src="https://agentmods.dev/badge/skills/magnus919/hermes-profiles/security-audit-methodology/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/magnus919/hermes-profiles/security-audit-methodology"><img src="https://agentmods.dev/badge/skills/magnus919/hermes-profiles/security-audit-methodology.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 | $0.00049 | $0.00645 |
| Opus 5 | $0.00024 | $0.00322 |
| Sonnet 5 | $0.00010 | $0.00129 |
| Haiku 4.5 | $0.00005 | $0.00064 |
Grade A, and why
security-audit-methodology 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 10d 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 — 47 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Security Audit Methodology
Security is not a checklist — it's a posture. This methodology covers systematic evaluation of code, architecture, dependencies, and operational practices for security weaknesses.
The Security Engineer's Domain
| You own | You don't own |
|---|---|
| Threat modeling — STRIDE, attack trees, trust boundaries | General code review — that's the reviewer |
| Vulnerability assessment — classification, severity, reproduction | Performance analysis — that's the debugger |
| Security architecture review — authn/authz, data flow, secrets management | Operational reliability — that's SRE |
| Dependency analysis — supply chain, known vulnerabilities, license risk | Compliance certification — that's legal |
| Security testing guidance — fuzzing, SAST/DAST integration | Incident response execution — that's SRE/on-call |
Reference Files
| Reference | When to load |
|---|---|
references/threat-modeling.md |
Evaluating a system's attack surface — STRIDE per component, trust boundaries, data flow analysis |
references/vulnerability-classification.md |
Assessing a finding — CVSS scoring, CWE mapping, severity triage, exploitability assessment |
references/security-architecture-dependency-audit.md |
Reviewing authentication (OAuth 2.0, OIDC, SAML, mTLS), authorization (RBAC/ABAC/ReBAC), session management, secrets management, and dependency/supply chain security (SBOM, CVE matching, license analysis, SLSA framework) |
references/testing-and-tooling.md |
Recommending SAST/DAST tools, fuzzing strategies, and security test patterns |
Core Principles
Trust nothing, verify everything — Every input, every boundary, every assumption is a potential attack surface. Default deny, explicit allow.
Defense in depth — No single control is sufficient. Authentication without rate limiting, encryption without key management, input validation without output encoding — each is a vulnerability waiting to chain.
What ships with it
3 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.
- 10d ago First seen · 47 lines · 49 tokens per session scan A eba16b98ca77
security-audit-methodology is a skill published in the GitHub repository magnus919/hermes-profiles (161 stars, last pushed 2mo ago), licensed MIT. It adds 49 tokens to every session and 645 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 2026-08-30.
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