Intellisense for available 'using/import's in C# with Visual Studio Code

I just went ahead and made the extension:
Currently it supports only the base C# libraries but I can make it use additional nugget libraries as well if there is demand for that. As of 24/11/2020 the official C# extension supports this feature, see other answer.

If you use "C# extension" for VSCode (this

you can try follow next steps:

  1. Right click on C# extension
  2. "Extension settings"
  3. In opened "Settings" tab, add import in search area
  4. Enable Checkbox (Screenshot of this step)
  5. Enjoy autoimport without "special" extension (Screenshot)