Does this skill provide fixes for identified issues?

It provides a diagnostic report outlining what is wrong and why, helping developers implement the necessary security patches manually.

What kind of vulnerabilities can it detect?

It identifies common issues like wildcard origins, insecure header allow-lists, and improper handling of credentials that could lead to data breaches.

Can this skill check live API endpoints?

Yes, by providing a URL, the skill can fetch and analyze the live headers to ensure the remote service is correctly configured.

How do I validate a local CORS configuration file?

Ask Claude to 'Validate the CORS policy in [filename]'. The skill will read the file and provide a detailed report on any identified vulnerabilities.

CORS Policy Validator

Name: CORS Policy Validator
Author: intent-solutions-io

byintent-solutions-io

0•

Seguridad y Pruebas

Validates Cross-Origin Resource Sharing (CORS) configurations to identify security vulnerabilities and ensure policy compliance.

The CORS Policy Validator skill empowers Claude to assess the security and correctness of web application and API access controls. By examining configuration files or fetching live headers from an endpoint, it detects common misconfigurations—such as overly permissive origins or insecure credential handling—that could lead to unauthorized cross-origin requests. This skill is an essential tool for developers and security engineers aiming to audit their systems and prevent data exposure through rigorous policy analysis.

Características Principales

01Best practice compliance reporting

020 GitHub stars

03Live API endpoint header validation

04Security vulnerability identification

05Automated CORS policy file analysis

06Detailed misconfiguration diagnostics

Casos de Uso

01Auditing application configuration files for security weaknesses

02Troubleshooting cross-origin request errors during development

03Verifying the CORS headers of production API endpoints

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add intent-solutions-io/plugins-nixtla cors-policy-validator

For use in Claude.ai and ChatGPT

Download Skill