Check if URLs are live, dead, or likely hallucinated using the urlhealth Python library. Automatically checks Wayback Machine for archived snapshots of dead URLs. Triggers on: "check url", "validate link", "is this link alive", "broken link", "dead link", "hallucinated url", "url health", "check link status", "verify url", "link checker", "url status", "wayback machine".
2026-03-03