How does this skill detect CORS issues?

The skill analyzes provided headers or policy files against security best practices to identify dangerous misconfigurations like wildcard origins or insecure credential handling.

Will this skill help fix the identified vulnerabilities?

After providing a detailed report of the findings, you can ask Claude to generate the corrected configuration or code based on the validator's recommendations.

Can it check live URLs for CORS compliance?

Yes, you can provide an API endpoint URL, and Claude will fetch the headers and use the validator to summarize the configuration and any potential risks.

What file formats are supported for policy validation?

The skill can read and analyze common configuration formats like JSON policy files and raw HTTP header outputs.

CORS Policy Validator

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

byintent-solutions-io

0•

セキュリティとテスト

Validates and audits Cross-Origin Resource Sharing (CORS) configurations to identify security vulnerabilities and ensure compliant web access policies.

The CORS Policy Validator skill enables Claude to perform automated security audits on web application access controls. By inspecting CORS headers and configuration files, it identifies common misconfigurations—such as overly permissive origins or insecure credentials settings—that could expose sensitive data to unauthorized domains. This skill is essential for developers and security engineers looking to harden their APIs and frontend applications against cross-origin attacks and ensure their services adhere to industry security best practices.

主な機能

01Static validation of local CORS configuration files and JSON policies

02Compliance checking against industry-standard security best practices

030 GitHub stars

04Detailed security reporting on identified vulnerabilities and risks

05Detection of wildcard origin abuses and insecure header implementations

06Automated CORS header analysis for live API endpoints

ユースケース

01Auditing production API headers for potential security leaks

02Validating local CORS configuration files during the development phase

03Troubleshooting cross-origin request failures in web applications

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add intent-solutions-io/plugins-nixtla skill-adapter

For use in Claude.ai and ChatGPT

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