Delegated browser execution for parent agents: Jev selects bounded typed actions, agent-browser performs them, and ambiguous or blocked flows escalate back to the parent.
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Browser extension that reads the YouTube caption track and paints a per-segment sponsor probability on the seek bar before the intro ends, with no crowd database; reports catching 77% of SponsorBlock's sponsor seconds across 23 videos at $0.0008 a video.
Chrome extension (Manifest V3) that covers a YouTube comment while one Jev Noul question decides whether it reveals a concrete plot event, fate, ending or result of the video being watched or of any other title the user chose to protect; the typed question lives in the extension, application code owns the 0.5 / 0.7 / 0.85 threshold, and a failed or quota-rejected check leaves the comment covered rather than revealed. Requests go through the author's Cloudflare Worker, which forwards comment text, video title and channel but not the anonymous install ID; the committed evaluation is a 10-sample hand-written regression set across English, Chinese, Japanese and prompt injection, not a production accuracy measurement. Install PlotVeil.
Chrome/Firefox extension that uses Jev through TypeSafe or Vercel AI Gateway to classify bounded page-element snippets, then stores reusable local hiding rules by page template. Paid analysis is manual by default; optional on-visit analysis sends snippets to the selected provider. The API key stays in unencrypted local extension storage.
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