This nonsense might extract the URLs from your Add to Reading List habit.
import plistlib
import os
for p in [
y["URLString"]
for y in [
x
for x in plistlib.load(
open(os.path.expanduser("~/Library/Safari/Bookmarks.plist"), "rb")
)["Children"]
if "Title" in x and x["Title"] == "com.apple.ReadingList"
][0]["Children"]
if "URLString" in y
]:
print(p)