Watched
API-first website change detection with native MCP support
Watched launched on June 3, 2026 with 3 votes, #6,658 of 22,647 launches that month and more than 50% of that year's launches. The site was not reachable when checked in September 2026.
What it does
Point it at any URL, and it watches for changes — then notifies you via webhook, email, Telegram, or Discord. Most change detection tools (Distill, Visualping, Hexowatch) are UI-first dashboards. Great for individuals, terrible for automation. Watched is built for developers who want to integrate monitoring into code, CI/CD pipelines, or AI agents. Watched ships with a built-in MCP server. Any MCP-compatible AI agent can create, list, update, and delete watches using native tools.
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I built a tool that watches webpages and exposes changes as RSSMar 2026 · sitespy.app · ▲320I built Site Spy after missing a visa appointment slot because a government page changed and I didn’t notice for two weeks. It watches webpages for changes and shows the result like a diff. The part I think HN might find interesting is that it can monitor a specific element on a page, not just the whole page, and it can expose changes as RSS feeds. So instead of tracking an entire noisy page, you can watch just a price, a stock status, a headline, or a specific content block. When it changes, you can inspect the diff, browse the snapshot history, or follow the updates in an RSS reader. It’s…
Monitor website changes with AI2025 · monity.ai · ▲94Monitor any page for changes — without the false alarms. Describe what to watch in plain English, and Monity.ai alerts you only when it really changes.
Changedetection.io detect changes in websites and JSON feeds2022 · github.com · ▲147Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring—all for free or enjoy our SaaS plan! - dgtlmoon/changedetection.io
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