Can I implement JWT authentication with this skill?

Yes, it includes detailed instructions and middleware patterns for encoding, decoding, and validating JSON Web Tokens in a Sinatra environment.

How are file uploads handled securely?

It includes a dedicated FileUploadHandler pattern that validates file types, sizes, and generates unique sanitized filenames to prevent common upload vulnerabilities.

What tools does it recommend for rate limiting?

The skill demonstrates how to integrate and configure Rack::Attack to throttle login attempts, API requests, and block malicious IPs.

Does it support database security for different ORMs?

It provides specific parameterized query patterns for both Sequel and ActiveRecord to prevent SQL injection attacks.

How does this skill help prevent XSS in Sinatra?

It provides best practices for ERB template escaping, JSON encoding for API responses, and comprehensive Content Security Policy (CSP) header configurations.

Sinatra Security Essentials

Name: Sinatra Security Essentials
Author: geoffjay

bygeoffjay

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Seguridad y Pruebas

Hardens Ruby Sinatra applications using industry-standard security patterns for authentication, validation, and protection against common web vulnerabilities.

The Sinatra Security skill provides specialized guidance for securing Ruby-based web applications. It focuses on implementing robust defenses against the OWASP Top 10, including CSRF protection via Rack::Protection, XSS prevention through template escaping and Content Security Policies, and SQL injection mitigation for Sequel and ActiveRecord. Beyond basic hardening, it provides production-ready implementation patterns for BCrypt authentication, JWT token management, Role-Based Access Control (RBAC), and rate limiting, ensuring your Sinatra backend is resilient and secure.

Características Principales

01Role-Based Access Control (RBAC) and permission systems

02Secure file upload handling and sanitization logic

03Secure authentication patterns (Session, JWT, and API Keys)

04Comprehensive CSRF and XSS prevention strategies

05Rate limiting and throttling via Rack::Attack

062 GitHub stars

Casos de Uso

01Hardening a Sinatra application for production deployment

02Implementing secure user authentication and authorization flows

03Conducting security reviews and remediating vulnerabilities in Ruby web apps

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add geoffjay/claude-plugins sinatra-security

For use in Claude.ai and ChatGPT

Download Skill