Launch a new Chromium instance and start collecting DevTools events.

Connect to an existing Chromium remote-debugging endpoint.

Navigate the active page and wait for the selected lifecycle event.

Return page URL, viewport, loading state, and resource counts.

Query buffered console messages from the entire browser session.

Return grouped console errors and uncaught exceptions with likely categories.

Query buffered network request history with diagnostic filters.

Return failed HTTP and transport requests with likely causes.

Inspect one request, including a bounded textual response body when available.

Inspect an element, its layout, computed styles, and accessible identity.

Capture a compact agent-friendly DOM snapshot.

Click an element and optionally capture resulting DOM, console, network, and URL changes.

Fill an input, textarea, or contenteditable element without exposing passwords.

Select an option by value, label, or index.

Press a keyboard key or chord on the page or a selected element.

Capture a page or element screenshot in the controlled output directory.

Run axe-core accessibility checks and return actionable issues.

Compare two compact DOM snapshots.

Safely close a browser session.