Does it check for security standards?

Yes, it validates security.txt files against RFC 9116, checking for mandatory contact information and valid expiration dates.

What web resource files can this skill validate?

It validates sitemap.xml, robots.txt, llms.txt, llms-full.txt, security.txt, humans.txt, and ads.txt.

How does this help with AI and LLM indexing?

It specifically checks for llms.txt compliance, which is a new standard designed to provide Large Language Models with structured information about your site's content.

Can I validate a website that is already live?

Yes, the skill allows you to run validation against a live URL or a local directory containing your public assets.

Will it explain how to fix the errors it finds?

The validation report provides a breakdown of issues, their severity levels (e.g., Error vs. Warning), and specific suggestions on how to resolve them.

Web Resource Validator

Name: Web Resource Validator
Author: naporin0624

bynaporin0624

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Marketing Automation

Validates and audits essential web configuration files like sitemap.xml, robots.txt, and security.txt for compliance and search engine optimization.

About

The Web Resource Validator skill enables Claude to perform comprehensive audits of critical web configuration files that dictate how search engines, security researchers, and Large Language Models interact with your site. It provides automated validation against official specifications such as RFC 9309 (robots.txt) and RFC 9116 (security.txt), identifies missing mandatory fields, and suggests fixes for common errors. By supporting emerging standards like llms.txt, this tool ensures your website is optimized for modern AI discovery while maintaining high standards for SEO and security vulnerability disclosure.

Key Features

Real-time validation for both local file directories and live website URLs.
Security auditing for security.txt to ensure proper vulnerability disclosure protocols.
Instant lookup of official specifications and required fields for all supported resource files.
Comprehensive validation of sitemap.xml, robots.txt, and ads.txt against industry standards.
2 GitHub stars
Compliance checking for AI-readiness files including llms.txt and llms-full.txt.

Use Cases

Auditing production websites for security.txt compliance to meet modern vulnerability disclosure standards.
Verifying that robots.txt and sitemap.xml are correctly configured for SEO before a site deployment.
Implementing and validating llms.txt files to improve site indexing and context for AI models.

About

Key Features

Real-time validation for both local file directories and live website URLs.
Security auditing for security.txt to ensure proper vulnerability disclosure protocols.
Instant lookup of official specifications and required fields for all supported resource files.
Comprehensive validation of sitemap.xml, robots.txt, and ads.txt against industry standards.
2 GitHub stars
Compliance checking for AI-readiness files including llms.txt and llms-full.txt.

Use Cases

Auditing production websites for security.txt compliance to meet modern vulnerability disclosure standards.
Verifying that robots.txt and sitemap.xml are correctly configured for SEO before a site deployment.
Implementing and validating llms.txt files to improve site indexing and context for AI models.