diff --git a/package.json b/package.json
index f795ac6..4bef0aa 100644
--- a/package.json
+++ b/package.json
@@ -21,11 +21,16 @@
       "url": "https://github.com/hci-lab/vispack/blob/master/LICENSE-MIT"
     }
   ],
-  "main": "src/vispack",
+  "bin": {
+    "vispack": "dist/vispack.js"
+  },
+  "main": "dist/vispack",
   "engines": {
     "node": ">=5.1.0"
   },
+  "preferGlobal": "true",
   "scripts": {
+    "preinstall": "coffee --bare --no-header --output dist --compile src",
     "test": "grunt test"
   },
   "devDependencies": {
@@ -43,6 +48,7 @@
   },
   "keywords": [],
   "dependencies": {
+    "commander": "^2.9.0",
     "extfs": "0.0.7",
     "fs-extra": "^0.26.2",
     "jethro": "^2.6.3"
diff --git a/src/vispack.coffee b/src/vispack.coffee
index 9e69f83..3259da7 100644
--- a/src/vispack.coffee
+++ b/src/vispack.coffee
@@ -1,43 +1,60 @@
+`#!/usr/bin/env node
+`
 ###
 project     | vispack
 url         | https://github.com/hci-lab/vispack/blob/master/src/vispack.coffee
-module      |
+module      | vispack
 author      | YusufMohamed
-description |
+description | a cli utility to install and remove plugins.
 
 Copyright (c) 2015 HCI Lab. Licensed under the MIT license.
 ###
-exec = require 'child_process'
-logger = require 'jethro'
-fs = require 'extfs'
-fse = require 'fs-extra'
-
-commands = process.argv.slice 2
-
-if commands[0] is 'remove'
-  plugin_name = commands[1]
-  fs.getDirs process.cwd() + '\\plugins\\node_modules\\' + plugin_name, (err, dirs) ->
-    if err
-      console.log 'directory not found'
-    else
-      plugin_dir = process.cwd() + '\\plugins\\node_modules\\' + plugin_name
-      fse.remove plugin_dir, (err)->
-        if err
-         logger 'Error', 'Remove', err
-        logger 'Info' , 'Remove' , 'Success'
-
-
-
-
-
-if commands[0] is 'install'
-  github_url = commands[1]
-  prefix = './plugins'
-  str = 'npm install --prefix ' + prefix + ' ' + github_url
-  exec.exec str, (error,stdout,stderr) ->
-    logger 'Info' , 'stdout' , stdout
+exec    = require 'child_process'
+logger  = require 'jethro'
+fs      = require 'extfs'
+fse     = require 'fs-extra'
+program = require 'commander'
+pjson   = require '../package.json'
+
+
+program
+.version pjson.version
+.option '-I, --install [plugin]', 'add a new plugin'
+.option '-R, --remove [plugin]', 'remove installed plugin'
+
+program.on '--help', ()->
+  console.log '  Examples:'
+  console.log ''
+  console.log '    $ vispack install underscore'
+  console.log '    $ vispack remove underscore'
+  console.log ''
+
+program.parse(process.argv);
+
+
+
+if program.install is true
+  logger 'Error', 'vispack', 'missing arguments. [vispack -h] for more help.'
+else if program.remove is true
+  logger 'Error', 'vispack', 'missing arguments. [vispack -h] for more help.'
+else if program.install isnt true and program.remove is undefined and program.install isnt undefined
+  package_name = program.install
+  install_dir  = process.env.APPDATA + '/npm/node_modules/vispack' || (process.platform == 'darwin' ? process.env.HOME + 'Library/Preference/npm/node_modules/vispack' : '/usr/lib/node_modules/vispack')
+  prefix       = install_dir + '/plugins'
+  str          = 'npm install --prefix ' + prefix + ' ' + package_name
+  exec.exec str ,(error,stdout,stderr) ->
+    logger 'Info' , 'vispack installer' , stdout
+    if error isnt null
+      logger 'Error', 'vispack installer' , 'something wrong happened. try again later.'
+else if program.remove isnt true and program.install is undefined and program.remove isnt undefined
+  package_name = program.remove
+  install_dir  = process.env.APPDATA + '/npm/node_modules/vispack' || (process.platform == 'darwin' ? process.env.HOME + 'Library/Preference/npm/node_modules/vispack' : '/var/local/npm/node_modules/vispack')
+  prefix       = install_dir + '/plugins'
+  str          = 'npm remove --prefix ' + prefix + ' ' + package_name
+  exec.exec str ,(error,stdout,stderr) ->
+    logger 'Info' , 'vispack removal' , stdout
     if error isnt null
-      logger 'Error', 'exec error' , error
+      logger 'Error', 'vispack removal' , 'something wrong happened. try again later.'
 
 #exports.awesome = ->
 #  "awesome"
diff --git a/test/vispack_test.coffee b/test/vispack_test.coffee
index 70cd0a8..3ccbaa8 100644
--- a/test/vispack_test.coffee
+++ b/test/vispack_test.coffee
@@ -6,7 +6,7 @@ sinonChai = require('sinon-chai')
 
 chai.use(sinonChai)
 
-vispack = require('../src/vispack.coffee')
+#vispack = require('../src/vispack.coffee')
 
 describe "test", ->
   beforeEach (done) ->