Push browser tab and download lifecycle events plus manager-owned background tabs. Read this when an agent needs lifecycle notifications or a temporary tab without polling.
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See how to installReview the instructions the agent will receive before you install.
TREAT THESE AS PUSH NOTIFICATIONS — NEVER POLL Target.getTargets TO DETECT
OPENS, CLOSES, POPUPS, OR DOWNLOADS.
One events capability per connection; await ready before trusting baseline
discovery or download configuration:
import { createEvents, createAgentTabs } from "omowright";
const events = createEvents(connection, {
downloadBehavior: "allow",
downloadPath: "/absolute/path/to/downloads",
});
const tabs = createAgentTabs(connection);
await Promise.all([events.ready, tabs.ready]);
Install the listener or waitForEvent() before the action that produces the
event. Waits are bounded; predicates may be async:
const opened = events.waitForEvent("popupOpened", {
timeout: 30_000,
predicate: tab => tab.openerTargetId === mainTargetId,
});
await mainPage.evaluate("window.open('https://example.com')");
const popup = await opened;
Six push events: tabOpened, tabClosed, popupOpened, downloadStarted,
downloadProgress, downloadFinished. Only page targets produce tab events. A
popup produces both tabOpened and popupOpened; about:blank is a valid URL
and popup placeholder. Download progress is not coalesced; terminals fire exactly
once.
CREATE TABS ONLY THROUGH createAgentTabs(connection). NEVER SEND
Target.createTarget YOURSELF, NEVER CALL Target.activateTarget, NEVER BRING A
TAB TO THE FRONT. The manager always requests background creation so automation
cannot steal focus, and it owns cleanup.
const tab = await tabs.create("about:blank", {
viewport: { width: 1440, height: 900 },
});
try {
await tab.page.goto("https://example.com");
await tabs.repin(tab);
} finally {
await tabs.close(tab);
}
CloakBrowser headless defers renderer startup for background targets, so the
manager activates immediately before attaching — only for connections launched
with a --headless argument. Headed connections attach without activation.
tabs.list() / tabs.get(targetId) expose only manager-created tabs. The
manager pins the viewport after attach and after main-frame navigation;
child-frame navigation needs no re-pin. tabs.repin forces a fresh pin before a
coordinate action.
Cleanup: await tabs.closeAll() or await tabs.dispose() (owns its tabs by
default); events.dispose() closes neither the browser nor the agent tabs.
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Interact with challenge widgets in an authorized automation flow using checkbox clicks, slider drags, text OCR, and image-grid input. Verify completion with an application-specific condition.
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Read this when you need Chrome MV3-shaped APIs — bookmarks, tabs, windows, history, downloads, or top sites — in standalone OmOWright.
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Use when a user-driven CloakBrowser profile needs MV3 Chrome writes/events through the native messaging bridge.
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Read the network instead of the DOM. Snoop JSON API responses, wait for a request instead of sleeping, collect items while scrolling, record a QA flight trace (jsonl, HAR, screenshots), and intercept requests with routes.
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The default code-driven browser path for interactive browsing work: drives any browser from code with token-efficient a11y snapshots (57% smaller via compactSnapshot), ref-based clicks, coordinate control (CUA), viewport pinning, CAPTCHA solving (reCAPTCHA, Turnstile, hCaptcha, slider, OCR), Chrome MV3 APIs (tabs/bookmarks/history/downloads/topSites), network snoop (read API JSON instead of DOM), flight-recorder trace (jsonl + HAR + screenshots), OOPIF-aware snapshots, dialog policy, human handoff for login/OTP, device emulation, request routes, stealth via CloakBrowser as the default owned engine with zero exposed CDP ports, and an attached engine that drives the user's own signed-in browser through BrowserSkill (connectBrowserSkill, bskSnapshot, one-click onboarding via bskOnboard). MUST USE for interactive browser work: scraping, blocked/WAF/JS-rendered pages, logins, the user's logged-in sites and open tabs, extension popups, form filling, screenshots, web QA, CAPTCHAs. The ulw-research browsing lane runs on ultimate-browsing, not this skill.
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Coordinate-level browser control for UI that snapshots, refs, and locators cannot target - canvas apps, extension popups, OS-drawn dialogs, custom drag surfaces. Read this when a DOM-targeted action fails twice, when the next decision depends on rendered pixels, or when CUA clicks land on the wrong element.
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