Broken Link Checker MCP Server

Broken Link Checker MCP Server

Enables scanning web pages and entire domains to identify broken links, checking hyperlinks, images, scripts, and other resources. Provides comprehensive link validation with robots.txt compliance and detailed reporting of link status across single pages or complete websites.

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README

Broken Link Checker MCP Server

An MCP (Model Context Protocol) server that scans web pages and domains to identify broken links.

Features

  • Single Page Checking: Scan all links on a single page
  • Domain-Wide Crawling: Recursively check all pages within a domain
  • Comprehensive Link Detection: Checks hyperlinks, images, scripts, stylesheets, and media
  • robots.txt Compliance: Respects website crawling rules
  • Structured Output: Returns detailed results with link status and locations

Installation

pip install -e .

Usage

Start the MCP server with HTTP transport:

python src/server.py

The server will run on http://127.0.0.1:8000 by default.

MCP Tools

check_page

Check all links on a single page.

Parameters:

  • url (string): The URL of the page to check

check_domain

Recursively check all pages within a domain.

Parameters:

  • url (string): The root URL of the domain to check
  • max_depth (integer, optional): Maximum crawl depth (-1 for unlimited, default: -1)

Output Format

Results are returned in the following structure:

{
  "results": [
    {
      "page_url": "https://example.com/page",
      "link_reference": "Click here",
      "link_url": "https://broken.com/404",
      "status": "Bad"
    }
  ],
  "summary": {
    "total_links": 150,
    "good_links": 145,
    "bad_links": 5,
    "pages_scanned": 10
  }
}

Development

Install development dependencies:

pip install -e ".[dev]"

Run tests:

pytest

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