Add href to linked issues in JIRA agile cards. Copy and paste into "Announce" section of JIRA config.

jira-card-issue-links-href.js

<script language="javascript">
(function(jQuery) {
	var observeDOM = (function(){
	    var MutationObserver = window.MutationObserver || window.WebKitMutationObserver,
	        eventListenerSupported = window.addEventListener;

	    return function(obj, callback){
	        if( MutationObserver ){
	            // define a new observer
	            var obs = new MutationObserver(function(mutations, observer){
	                if( mutations[0].addedNodes.length || mutations[0].removedNodes.length )
	                    callback();
	            });
	            // have the observer observe foo for changes in children
	            obs.observe( obj, { childList:true, subtree:true });
	        }
	        else if( eventListenerSupported ){
	            obj.addEventListener('DOMNodeInserted', callback, false);
	            obj.addEventListener('DOMNodeRemoved', callback, false);
	        }
	    }
	})();

	var setLinks = function() {
		console.log("Setting links");

		var time = (new Date()).getTime();
		
		var allIssueLinks = jQuery(".ghx-extra-field[data-tooltip*='Linked Issues: '] > .ghx-extra-field-content:not(:contains('None'))")
		allIssueLinks.each(function(i, issueLinks) { 

			var jIssueLinks = jQuery(issueLinks)

			var issueKeys = jIssueLinks.html().split(",")

			var target = jIssueLinks.parent();
			target.html("");

			jQuery.each(issueKeys, function(i, issueKey) {
				issueKey = issueKey.trim();

				if(i > 0) {
					target.append(jQuery(document.createTextNode(', ')));			
				}
				target.append(jQuery("<a class='link-title'>").attr("href", "/jira/browse/" + issueKey).text(issueKey)
						.wrap("<div class='ghx-key'>"));
			})

			target.find("a").click(function(e) {
				console.log("clicked", jQuery(this).attr('href'));
				window.location = jQuery(this).attr('href');


				e.preventDefault();
				return false;
			})

		})

		console.log("Setting links for Story Cards took:", ((new Date()).getTime() - time), "ms");	
	};


	observeDOM(jQuery("html")[0], function() { setLinks(); });
})(jQuery);

</script>