gistfile1.js

gulp.task('styleguide-sass', function(){
  return gulp.src(['static/sass/styleguide.scss'])
          .pipe(sass().on('error', errhandler))
          .pipe(rename('style.css'))
          .pipe(gulp.dest('styleguide/public'));
});

gulp.task('kss', function(){
  return gulp.src(['static/sass/*.scss'])
          .pipe(kss({
            overview: __dirname + '/static/sass/styleguide.md',
            kssOpts: {
              sass: 'static/sass/styleguide.scss'
            }
          }))
          .pipe(gulp.dest('styleguide/'));
});


gulp.task('watch', ['serve'], function(){
  gulp.watch('static/sass/**/*.scss', ['sass', 'styleguide']).on('error', errhandler);
});

package.json

{
  "devDependencies": {
    "gulp-sass": "~0.6.0",
    "gulp-kss": "0.0.2"
  }
}