WTYCZKA:
sFTP ( https://marketplace.visualstudio.com/items?itemName=liximomo.sftp )

Potem config jej:

{
    "name": "TYTUŁ PROJEKTU",
    "protocol": "sftp",
    "host": "HOST",
    "port": PORT,
    "username": "USERNAME",
    "password": "PASSWORD",
    "remotePath": "/home/medicus/www4/wp-content/themes/medicusself",
    "watcher": {
        "files": "css/*.{js,css}",
        "autoUpload": true,
        "autoDelete": false
    },
    "uploadOnSave": true
}

// Dzięki temu masz dostęp do FTP/sFTP
// To coś dzięki CTRL+S wali watcher na pliki SASS/SCSS/LESS i automatycznie wali update na serwer
// Musisz mieć gulp'a na projekcie który kompiluje SCSS -> CSS

// przykład Gulpa

var gulp  = require('gulp'),
  sass = require('gulp-sass', '^3.0.0'),
  sourcemaps = require('gulp-sourcemaps'),
  cleanCss = require('gulp-clean-css'),
  rename = require('gulp-rename'),
  postcss      = require('gulp-postcss'),
  autoprefixer = require('autoprefixer');
  webserver = require('gulp-webserver');

gulp.task('build-theme', function() {
  return gulp.src(['scss/*.scss'])
    .pipe(sourcemaps.init())
    .pipe(sass().on('error', sass.logError))
    .pipe(postcss([ autoprefixer({ browsers: [
      'Chrome >= 35',
      'Firefox >= 38',
      'Edge >= 12',
      'Explorer >= 10',
      'iOS >= 8',
      'Safari >= 8',
      'Android 2.3',
      'Android >= 4',
      'Opera >= 12']})]))
    .pipe(sourcemaps.write())
    .pipe(gulp.dest('css/'))
    .pipe(cleanCss())
    .pipe(rename({suffix: '.min'}))
    .pipe(gulp.dest('css/'))
});

gulp.task('watch', ['build-theme'], function() {
  gulp.watch(['scss/*.scss'], ['build-theme']);
});

gulp.task('default', ['build-theme'], function() {
});

// gulp.task('webserver', function () {
//     gulp.src('../html-headless-ernest/')
//         .pipe(webserver({
//             open: true,
//             livereload: true,
//             fallback: "index.html",
//             port: 8080,
//         }));
// });