Canary watches any URL and alerts you when something changes — competitor pricing, API endpoints, docs, job boards, status pages. Changes are scored 1-10 by signal strength and summarised by AI. Built solo. Landing page live today. Automated crawler running on GitHub Actions posting real detected changes to Bluesky hourly and X daily. canary-landing-one.vercel.app Happy to answer questions about the architecture — particularly proud of the URL deduplication approach where one crawl serves multiple subscribers.