Robots Sitemap Validator
Check your robots.txt and sitemap.xml for the mistakes that quietly block crawlers, and never touch the live site.
What it flags
- A site-wide Disallow.
- Malformed directives.
- A missing Sitemap line.
- Sitemap XML that is not well-formed.
- loc URLs missing a scheme.
- Mixed http and https.
- Sitemaps over the size limits.
How to run
Point it at the files or paste them in. Read-only, no network.
Good to know
It validates the files you give it and does not crawl or render the live site.
Use the full crawlability preflight to align the local files with live responses, canonical URLs, noindex rules, and Search Console evidence.
Skillstore labels the reviewed package Safe
Skillstore’s versioned audit reports no confirmed security findings across the same four files linked from this page.
This is review evidence, not a guarantee of no side effects. Read the full Skillstore audit.
Questions
What does it catch?
The robots and sitemap mistakes that decide whether your site gets crawled at all.
Does it change anything?
No. It is read-only and uses no network.
Install it directly or inspect the source
This free skill is public. Review the exact files first, or install only this skill from the JustHandled Labs repository.
npx skills add justhandledlabs/skills --skill robots-sitemap-validator
Make sure you are actually crawlable.
Current price and purchase option are shown on Agensi. Instant download. Works with any agent that reads SKILL.md.
Get Robots Sitemap Validator on Agensi