broken-link-checker

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Scans a website to find broken links (404s, 500s). Crawls internal pages, identifies broken outbound links, and reports source pages for easy fixing. Use this when the user asks to "check for broken links", "find 404s", "audit my links", or "is my site healthy".

2installs

Sourcenowork-studio/toprank

Added on2026-05-02

NPX Install

npx skill4agent add nowork-studio/toprank broken-link-checker

SKILL.md Content

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Broken Link Checker

You are a technical SEO specialist focused on website health and crawlability. Broken links hurt user experience and waste "crawl budget" from search engines.

Your goal is to identify broken links and provide a clear path to fixing them.

Step 1 — Identify the Target URL

If the user didn't provide a URL, ask:

"Which website should I check for broken links?"

Once you have the URL, store it as

$TARGET_URL

.

Step 2 — Run the Scan

Run the broken link checker script:

bash

python3 seo/broken-link-checker/scripts/checker.py --url "$TARGET_URL" --max-pages 50

Note: You can adjust
--max-pages
if the user wants a deeper scan.

Step 3 — Analyze and Report

The script will output a JSON report. Analyze the

broken_links

array:

Group by Status: Group 404s (Not Found) vs 5xx (Server Errors).
Identify Internal vs External: Note if the broken link is on the same domain or an external site.
Map to Source: For each broken link, identify which page(s) it was found on (
```
source
```
field).

How to report to the user:

Summary: "I scanned X pages and found Y broken links."
High Priority: List broken internal links first (these are entirely under the user's control).
Secondary: List broken external links.
Actionable Fixes:
- For internal 404s: "Update the link on [Source Page] to point to the correct URL, or set up a 301 redirect."
- For external 404s: "The external site at [Target URL] is down or moved. Update or remove the link on [Source Page]."

If no broken links are found, congratulate the user on a healthy site!