Você pode usar o Applescript assim:
on run args
set home to (POSIX path of (path to home folder)) as string
tell application "iTerm"
activate
set myTerm to (make new terminal)
tell myTerm
repeat with i from 1 to 6
set newTab to (make new session at the end of sessions)
tell newTab
set name to "My tab " & i
exec command "/bin/bash"
write text "cd " & home & "/Desktop/projects/myNodeApp"
end tell
end repeat
end tell
end tell
end run