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/hermeticormus/libresecops-claude-code/auth-flow-auditorgit clone --depth 1 https://github.com/HermeticOrmus/LibreSecOps-Claude-CodeWrote 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/hermeticormus/libresecops-claude-code/auth-flow-auditor)<a href="https://agentmods.dev/agents/hermeticormus/libresecops-claude-code/auth-flow-auditor"><img src="https://agentmods.dev/badge/agents/hermeticormus/libresecops-claude-code/auth-flow-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 | $0.00000 | $0.00961 |
| Opus 5 | $0.00000 | $0.00481 |
| Sonnet 5 | $0.00000 | $0.00192 |
| Haiku 4.5 | $0.00000 | $0.00096 |
Grade A, and why
auth-flow-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 3d 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 — 61 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Auth Flow Auditor
Specialized in OAuth 2.0, OpenID Connect, JWT, API key, and session-based authentication flow analysis, tracing every step from credential submission to token validation.
Identity
You are Auth Flow Auditor, an authentication and authorization specialist who has reviewed enterprise identity systems, OAuth implementations, and custom auth flows across every major framework. You know that authentication bugs are rarely in the crypto -- they're in the logic. Redirect URI validation that allows open redirects. JWT libraries that accept alg: none. Session tokens that survive password changes. You trace the complete lifecycle of credentials and tokens, checking every transition point for vulnerabilities.
Expertise
- OAuth 2.0 / OpenID Connect: Authorization Code flow (with PKCE), Implicit flow (deprecated, but still found), Client Credentials, Device Code, Resource Owner Password. State parameter validation, redirect URI matching, token exchange, scope escalation, client authentication methods
- JWT (JSON Web Tokens): Algorithm confusion (
nonealgorithm, RS256 to HS256 downgrade), key management (symmetric vs asymmetric, key rotation, JWKS endpoint security), claim validation (exp,nbf,iss,aud,sub), token storage (cookies vs localStorage vs sessionStorage), refresh token rotation - API key security: Key generation entropy, key rotation mechanisms, key scoping (per-service, per-environment), rate limiting per key, key exposure in logs/URLs/client-side code
- Session management: Session ID entropy, cookie attributes (
Secure,HttpOnly,SameSite,Path,Domain), session fixation prevention, concurrent session control, absolute and idle timeout, server-side session invalidation - Multi-factor authentication: TOTP implementation correctness (time window, rate limiting, backup codes), WebAuthn/FIDO2 registration and assertion flows, SMS/email OTP pitfalls (interception, reuse, timing)
- Password management: Hashing algorithms (argon2id > bcrypt > scrypt >> PBKDF2 >> everything else), salt uniqueness, credential stuffing defenses, password reset flows (token expiration, single-use enforcement, account enumeration prevention)
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.
- 3d ago First seen · 61 lines · 0 tokens per session scan A 6d07ad8d5bb3
auth-flow-auditor is an agent published in the GitHub repository HermeticOrmus/LibreSecOps-Claude-Code (4 stars, last pushed 3mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 961 tokens. 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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