fusengine/auth-audit
plugins/security-expert/skills/auth-audit/SKILL.md
Audit authentication and authorization patterns. Checks JWT, sessions, OAuth2, PKCE implementations for security best practices and common vulnerabilities.
$ install --global
skillsauthnpx skillsauth add fusengine/agents auth-auditInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 4, 2026, 11:43 PM51.7s3 files scanned
SKILL.md
- name:
- auth-audit
- description:
- Audit authentication and authorization patterns. Checks JWT, sessions, OAuth2, PKCE implementations for security best practices and common vulnerabilities.
- argument-hint:
- [--jwt] [--session] [--oauth]
- user-invocable:
- true
Auth Audit Skill
Overview
Comprehensive audit of authentication and authorization implementations.
Audit Categories
| Category | Checks | |----------|--------| | JWT | Signing algo, expiration, refresh, storage | | Sessions | Storage, expiry, regeneration, fixation | | OAuth2 | PKCE, state param, redirect validation | | Passwords | Hashing algo, strength rules, reset flow | | MFA | Implementation, backup codes, recovery |
Workflow
- Detect auth implementation (JWT, sessions, OAuth)
- Scan for known anti-patterns
- Verify cryptographic choices
- Check token/session lifecycle
- Audit authorization logic (RBAC, ABAC)
Common Vulnerabilities
- JWT signed with
nonealgorithm - JWT secret too short (< 256 bits)
- No token expiration or too long
- Refresh tokens stored in localStorage
- Session fixation after login
- Missing CSRF protection
- OAuth without PKCE for public clients
- Missing
stateparameter in OAuth flow
References
- Auth Patterns
- Auth Checklist
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