Show HN: Canary – Monitor any URL for changes, get AI-powered intelligence
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.