AppleScript for triggering a search in OmniFocus from LaunchBar. Accepts text items from Launchbar (hit space, or send a text item to the script), or prompts the user for a search query.

Find in OmniFocus.scpt

on handle_string(the_string)
	if (length of the_string is 0) then
		display dialog "Search OmniFocus for:" default answer ""
	end if
	open location "x-launchbar:hide"
	my search_in_omnifocus(the_string)
end handle_string

on search_in_omnifocus(the_search_string)
	tell application "OmniFocus"
		activate
		tell front window
			try
				set search term to the_search_string
			end try
		end tell
	end tell
end search_in_omnifocus

display dialog "Search OmniFocus:" default answer ""
set the_string to text returned of result
my search_in_omnifocus(the_string)