How does it handle common security vulnerabilities?

The skill includes patterns to prevent XSS through HTTP-only cookies, mitigates CSRF, prevents session fixation, and uses rate limiting to stop brute-force attacks.

Does this skill support both Sessions and JWTs?

Yes, it provides detailed architectural guidance and code implementation patterns for both stateful session-based and stateless JWT-based authentication systems.

Can I use this with Express.js?

Absolutely, the skill includes complete, production-ready code examples specifically designed for Express.js and Node.js environments.

Does it include frontend implementation examples?

Yes, it provides a frontend AuthManager pattern that handles token storage, automatic refreshing, and authenticated fetch requests securely.

Secure Auth Implementation

Name: Secure Auth Implementation
Author: jamditis

byjamditis

•

Security & Testing

Implements production-ready authentication patterns including session management, JWT flows, and secure password handling.

This skill provides specialized guidance for building secure, enterprise-grade authentication systems within Claude Code. It moves beyond basic tutorials by addressing critical security concerns such as XSS protection, session fixation, rate limiting, and secure password reset flows. Whether you are choosing between stateful sessions or stateless JWTs, this skill offers robust implementation patterns for Express.js and frontend environments to ensure user data remains protected and compliant with modern security best practices.

Key Features

01Built-in security measures for rate limiting and timing attack prevention

02Secure JWT implementation featuring refresh tokens and revocation strategies

03Architectural decision support for Session vs. JWT authentication

0441 GitHub stars

05Production-ready Express.js implementation with Redis session storage

06Standardized patterns for secure password hashing and reset workflows

Use Cases

01Building a secure login and registration system for a new web application

02Implementing a robust password reset flow that prevents email enumeration

03Migrating from insecure localStorage token management to secure HTTP-only cookie patterns

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jamditis/claude-skills-journalism secure-auth

For use in Claude.ai and ChatGPT

Download Skill