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7/22/2026

urldn-link-check: an open-source GitHub Action for CI link checking in Markdown docs
Original: I Built urldn-link-check — A GitHub Action to Catch Broken Links Before They Reach Production
Short summary
urldn-link-check is an open-source GitHub Action and CLI tool that scans Markdown documentation for broken links during CI. It can be triggered on every push or pull request to catch 404s before they reach production. The project is MIT licensed and available on GitHub and npm as the first tool in the URLDN ecosystem.
- •Open-source GitHub Action and CLI for checking broken links in Markdown docs
- •Runs automatically on pushes and pull requests in CI workflows
- •MIT licensed, available on GitHub and npm
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