You can view the Visual Studio Code settings for the Go extension along with their default values and description in the product itself

  1. Press Ctrl+Shift+X or Cmd+Shift+X to open the Extensions viewlet.
  2. Find the Go extension, click on it to open the Extension Editor.
  3. Click on the Contributions tab.
  4. Scroll away.

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If you want to change any of these, you can do so in user preferences (cmd+, or ctrl+,) or workspace settings (.vscode/settings.json). You don‘t have to copy these if you don’t intend to change them.

Scroll down and you will see list of all available commands with description too