fabric/python script for launching node-inspector

fabfile.py

import os
import time

def terminal(cmd):
  local("osascript -e 'tell application \"Terminal\" to do script \"%s\"'" % cmd)

def debugger(opts):
  url = "http://0.0.0.0:8080/debug?port=5858"
  build()
  terminal("node %(opts)s %(cwd)s/app.js" % { "opts": opts, "cwd": os.getcwd() })
  time.sleep(1)
  terminal("node-inspector")
  time.sleep(1)
  local("open -a Safari %s" % url)

def debug():
  debugger("--debug")

def debugbreak():
  debugger("--debug-brk")

Adjust first time.sleep delay as needed if your app takes longer to start.