This Script run in pythonista on iOS. It take a plain liste, in the clipboard, and for each item in the list, create a task in Omnifocus. This ia not optimal, since Omnifocus doesn'n seem to provide a x-callback-url. Pythonista need to be reopen each time.

SendListToOmni.py

#Import into Omnifocus a list of task from the clipboard
import clipboard
import re
import webbrowser
import urllib
import console

base = 'omnifocus:///add?name='

text = clipboard.get()
if text == '':
	print 'No text in clipboard'
else:
	lines = text.split('\n')
	filtered = filter(lambda x: not re.match(r'^\s*$', x), lines)
	for line in filtered:
		if (line <> '\n'):
			omniurl = urllib.quote(line)
			webbrowser.open(base+omniurl)
			console.alert("Import","Import Next in Omnifocus ?","Yep")