Poll RSS/Atom feeds, GitHub events, and JSON APIs to emit only newly observed items.
npx skills add https://github.com/MarbleSodas/Mavis --skill watchers-marblesodas
Please help me install this Agent Skill. Skill: watchers Source: https://github.com/MarbleSodas/Mavis/tree/main/optional-skills/devops/watchers Command: npx skills add https://github.com/MarbleSodas/Mavis --skill watchers-marblesodas
This Skill solves the problem of repeatedly polling external sources and getting spammed with duplicates by only reporting items you have not seen before.
Run the RSS watcher to notify you of new entries from a feed by scheduling or invoking it with a watcher name and feed URL.
High-intent search queries and answers about installing and using this skill.
To monitor an RSS feed without duplicate notifications, you can use a scheduled polling watcher that persists a watermark of seen item IDs. It fetches the feed on a cron schedule and emits only newly observed entries in Markdown format.
You can poll a JSON API on a schedule and skip seen records using watermark-based deduplication. The watcher fetches the HTTP endpoint, stores a bounded set of observed IDs, and silently returns no output if there are no new items.
Tracking new GitHub repository events without duplicates requires a watcher that polls repository activity and maintains persistent state. It logs bounded seen IDs to deduplicate issues, pulls, releases, and commits, printing only new updates.
Watermark deduplication for cron-driven polling works by persisting a bounded set of seen IDs per watcher name. On subsequent runs, it compares fetched items against this baseline and only emits newly observed records, returning silent output on no changes.
During the first run of a feed polling watcher, it establishes a baseline behavior by fetching the initial items and recording their IDs into the persistent watermark state. This prevents flooding your notifications with historical entries on the initial execution.
The polling watcher supports webhook-triggered execution, ad-hoc terminal runs, and cron-driven scheduling. This flexibility allows you to fetch JSON, XML, and HTTP feeds on demand or automatically for automation and monitoring workflows.
SethyPagnaMonitor RSS, Atom, GitHub, and JSON APIs for new items without duplicate alerts.
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