// free utility

Robots Sitemap Validator

Name: Robots Sitemap Validator
Brand: JustHandled Labs
Availability: InStock

Check your robots.txt and sitemap.xml for the mistakes that quietly block crawlers, and never touch the live site.

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Format: Agent skill, not a browser app. You need an AI agent that can load its instructions and use the required tools.

Package requirements: Agents that read the open SKILL.md format. Verify runtime and service requirements at the purchase or install destination.

You get: Checks robots.txt and sitemap.xml for the mistakes that quietly block crawlers. No live fetch.

Licence and purchase details

MIT

Review the offer and access method at your chosen marketplace. Agensi provides connected-agent access, not a download. Buying a skill does not include an AI-agent subscription or setup service.

See tested hosts, versions and workflow limits.

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.

// independent directory review

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.

// paid next step

Crawlable is the first gate. Audit the rest of the site.

SEO Auditor Pro moves beyond the two discovery files to technical, on-page, and structured-data checks, with prioritized fixes instead of a generic score.

See SEO Auditor Pro Go straight to Agensi

// choose with context

Is Robots Sitemap Validator the right skill?

Best fit

Checks robots.txt and sitemap.xml for the mistakes that quietly block crawlers. No live fetch.

It returns

Checks robots.txt and sitemap.xml for the mistakes that quietly block crawlers. No live fetch.

Do not use it as

Do not treat a successful run as proof beyond the supplied files, declared scope, and evidence the skill actually checked.

Compatibility, access, version, and licence

Reads or accesses: Only the files or context you deliberately provide; review the listing before granting additional access.
Compatibility: Agents that read the open SKILL.md format. Verify runtime and service requirements at the purchase or install destination.
Version: Verify the current package version at the linked destination.
Licence: MIT

What happens next

Open the Agensi listing, check the current offer and connect a supported agent. Agensi loads the skill through its connector; it no longer provides a download. Approve any purchase before use. Check Agensi’s current connection guide before changing an existing connection.

Install the public package

Inspect the source and permissions first, then install only this skill:

npx skills add https://justhandledlabs.com --skill robots-sitemap-validator

Read the immutable SKILL.md source · See all public install options

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.

terminal

npx skills add justhandledlabs/skills --skill robots-sitemap-validator

Get it on Agensi Inspect pinned source

Make sure you are actually crawlable.

Current price and purchase option are shown on Agensi. Use a supported agent connection on Agensi. Review the requirements above before getting started.

Get Robots Sitemap Validator on Agensi