From http://organognosi.blogspot.com.es/2011/02/devonthink-links-in-skim-notes.html

5 initial DEVONthink refs in not-annotated Skim.scpt

tell application id "com.devon-technologies.thinkpro2"
    set these_items to the selection
    if these_items is {} then error "Please select some contents."
    
    repeat with this_item in these_items
        
        set RecordLink to the reference URL of this_item
        set DevonThinkLink to RecordLink & "?page=0"
        set PdfPath to get the path of this_item
        set PdfName to the name of this_item
        
        
        tell application "Skim"
            open PdfPath
            tell page 1 of document 1
                make note with properties {type:anchored note, bounds:{523, 820, 540, 820}, text:"(<rawtex></rawtex>: [" & RecordLink & "?page=])", extended text:DevonThinkLink}
                delay 0.1
                make note with properties {type:anchored note, bounds:{523, 800, 540, 800}, text:"(: \\href{" & RecordLink & "?page=}{})"}
                delay 0.1
                make note with properties {type:anchored note, bounds:{523, 780, 540, 780}, text:"([[" & PdfName & "]]: [" & RecordLink & "?page=])"}
                delay 0.1
                make note with properties {type:anchored note, bounds:{523, 760, 540, 760}, text:DevonThinkLink, extended text:PdfName}
                delay 0.1
			        	make note with properties {type:anchored note, bounds:{523, 760, 540, 760}, text:"0"}
            end tell
            save document 1
            delay 1
            close document 1
            
        end tell
    end repeat
end tell