Sharing links between devices using ntfy and Greasemonkey

There are many use cases where I want to share the links with other devices from a Desktop. One specific use case is solved by read-later setup I have. It's the case where I want to read something later, preferably in offline mode. The content also gets archived. The other important usecase is that I want to share the link for quick access on a different machine, like a link to the Metabase dashboard or a link to the plantuml diagram, etc. This is where ntfy and Greasemonkey work very well. I have a userscript that pickups up the current document URL and title and posts it to ntfy topic. Below is the script if you want to use.

Make sure to replace {{ntfy_url}} with real ntfy endpoint. Also the {{authorization}} with real authorization key, which infact is btoa("username:password"). The topic I am using here is called sharing.

// ==UserScript==
// @name              ntfy
// @author            Thejesh GN
// @description       ntfy script
// @version           0.1
// @grant GM_addStyle
// @grant GM.xmlHttpRequest
// @grant GM.registerMenuCommand
// @grant GM.notification
// @icon
// ==/UserScript==

function ntfy_me(){
  GM.notification("Start", "ntfy");   
  var d = {"topic": "sharing", "tags":["link"], "priority": 3, "message": document.title};
  d["actions"] = [{ "action": "view", "label": "Open Link", "url": window.location.href }];
      method: "POST",
      headers: {
                  "Content-type": "application/json; charset=UTF-8",
                  "Authorization":"Basic {{authorization}}"
      data: JSON.stringify(d),
      url: "{{ntfy_url}}",
      onload: function(response) {
        GM.notification(response.responseText, "ntfy");          

GM.registerMenuCommand("ntfy", ntfy_me, "n");

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