coffeelint.json

{
    "use_strict": {
        "module": "coffeelint-use-strict",
        "level": "error",
        "allowGlobal": false,
        "requireGlobal": false
    },
    "indentation" : {
        "value": 4
    },
}

Gruntfile.coffee

module.exports = (grunt) ->

    # Project configuration.
    grunt.initConfig
        coffeelint:
            tests:
                files:
                    src: [
                        'Gruntfile.coffee'
                    ]
                options:
                    configFile: 'coffeelint.json'

    grunt.loadNpmTasks 'grunt-coffeelint'

    # Default task.
    grunt.registerTask 'default', 'coffeelint'

package.json

{
  "name": "gcl-test",
  "version": "0.0.0",
  "description": "",
  "main": "index.js",
  "dependencies": {
    "coffeelint": "^1.5",
    "coffeelint-use-strict": "^0.0.1",
    "grunt": "^0.4.5",
    "grunt-coffeelint": "git://github.com/vojtajina/grunt-coffeelint.git"
  },
  "devDependencies": {
    "coffee-script": "^1.7.1"
  },
  "scripts": {
    "test": "coffeelint Gruntfile.coffee; grunt"
  },
  "author": "",
  "license": "ISC"
}