Bash script to call Applescript to export a list of urls and titles, grouped by window, and output in the format of OneTab.

stub.tabs-brave.jxa

-- Javascript for Automation
-- *this* works, but simple naive JS-literate variants do not.
-- prepending newlines b/c values are returned with implicit trailing ","
Application("Brave")
  .windows.tabs()
    .map(w=>"\n"+
      w.map(t=>"\n"+
        t.url()+" | "+t.title()))

tabs-brave

# bash function
tabs-brave ()
{
    : written: 2023-01-05T16:46:50 mcint@mcint-mbp.local;
    _args="$@";
    _file=~/Documents/tabs/brave/tabs.$(date +%FT%T).${_args// /-}.log;
    echo -n "$_file";
    _count=$(osascript ~/.iclouds/com~apple~ScriptEditor2/Documents/Tabs-Brave.scpt | tee -a "$_file" | grep -ve '^#' -e '^$' | wc -l;);
    echo "$_count"
}

tabs-brave.scpt

-- use AppleScript to export tabs from chromium... or any? native browser on macOS
-- https://gist.github.com/mcint/561f72e6baa3e5c68c2577b04dad788c

-- output tabs in format compatible with OneTab
-- faster, low-touch (but macOS-only) way of exporting tabs

set nl to linefeed
set cntT to 0
set cntW to 0
set out to "# tabs-brave. OneTab format." & nl
tell application "Brave Browser"
	set wts to properties of tabs of windows
	repeat with w in wts
		repeat with t in w
			set out to out & nl & URL of t & " | " & title of t
			set cntT to 1 + cntT
		end repeat
		set out to out & nl
		set cntW to 1 + cntW
	end repeat
end tell
set out to out & "# end w:" & cntW & ", t:" & cntT & nl
out