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Cors Policy Validator

  • 46 installs
  • 2.6k repo stars
  • Updated August 5, 2026
  • jeremylongshore/claude-code-plugins-plus-skills

Validates CORS policy configuration to catch overly permissive cross-origin settings.

About

Provides step-by-step guidance for validating CORS policies on web APIs. A developer uses it when reviewing cross-origin settings for security issues.

  • Part of the Security Fundamentals skill category
  • Auto-activates on CORS validation requests

Cors Policy Validator by the numbers

  • 46 all-time installs (skills.sh)
  • Ranked #1,359 of 2,203 Security skills by installs in the Skillselion catalog
  • Data as of Aug 5, 2026 (Skillselion catalog sync)
npx skills add https://github.com/jeremylongshore/claude-code-plugins-plus-skills --skill cors-policy-validator

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Listed on Skillselion
Installs46
repo stars2.6k
Last updatedAugust 5, 2026
Repositoryjeremylongshore/claude-code-plugins-plus-skills

What it does

Validates CORS policy configuration to catch overly permissive cross-origin settings.

Files

SKILL.mdMarkdownGitHub ↗

Cors Policy Validator

Overview

This skill provides automated assistance for cors policy validator tasks within the Security Fundamentals domain.

When to Use

This skill activates automatically when you:

  • Mention "cors policy validator" in your request
  • Ask about cors policy validator patterns or best practices
  • Need help with essential security skills covering authentication, input validation, secure coding practices, and basic vulnerability detection.

Instructions

1. Provides step-by-step guidance for cors policy validator 2. Follows industry best practices and patterns 3. Generates production-ready code and configurations 4. Validates outputs against common standards

Examples

Example: Basic Usage Request: "Help me with cors policy validator" Result: Provides step-by-step guidance and generates appropriate configurations

Prerequisites

  • Relevant development environment configured
  • Access to necessary tools and services
  • Basic understanding of security fundamentals concepts

Output

  • Generated configurations and code
  • Best practice recommendations
  • Validation results

Error Handling

ErrorCauseSolution
Configuration invalidMissing required fieldsCheck documentation for required parameters
Tool not foundDependency not installedInstall required tools per prerequisites
Permission deniedInsufficient accessVerify credentials and permissions

Resources

  • Official documentation for related tools
  • Best practices guides
  • Community examples and tutorials

Related Skills

Part of the Security Fundamentals skill category. Tags: security, authentication, validation, owasp, secure-coding

Related skills

Securityappsec

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