Agent skill · security · sundial-org
auth-checker
Audit authentication flows for security vulnerabilities
Why this skill is useful
Adds a specialized tool for auditing authentication flows that identifies specific security vulnerabilities not commonly known.
What it needs
Requires node installed locally. Requires openai account access. About 1k tokens when loaded. Last updated 2026-03-07. 639 stars on the source repository.
What this skill does
Auth Checker Scan your auth implementation for security holes. Catches the stuff that gets you hacked. Quick Start What It Does Audits login/signup flows for vulnerabilities Checks session management security Identifies weak password policies Flags insecure token handling Usage Examples What It Catches Hardcoded credentials Missing rate limiting Insecure session storage JWT vulnerabilities Missing CSRF protection Weak password validation Requirements Node.js 18+. OPENAIAPIKEY required. License MIT. Free forever. --- Built by LXGIC Studios GitHub: github.com/lxgicstudios/ai-auth-check Twitter: @lxgicstudios
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sundial-org/auth-checker