TagViewer plugin for XKit To install: go to the editor (http://www.tumblr.com/xkit_editor). make a new plugin called tagviewer. paste these files in the appropriate tabs

tagviewer.css

.xkit_tagviewer_button.xkit_new_dashboard:after,
.xkit_tagviewer_button { 
    background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAABGdBTUEAALGPC/xhBQAAAAFzUkdCAK7OHOkAAAAJcEhZcwAACxMAAAsTAQCanBgAAAG0aVRYdFhNTDpjb20uYWRvYmUueG1wAAEAAAA4ja1UzW+CMBy9+1c07AwFnDE0yGGS3cyMc4kcK1TXDShpa8T/fi34wQrusEg40Pd77/fK60dYo7qoCiIxqIu8FKieWThjW4LUt4ahBRqK/J5Zm8USzBknYOJ4jm9FIwBAyLMdWsWvZ7kazaxPKSsE4fF4dI5jh/E99IIggK4Pfd9WDFucSolruxRPbZNLn5iIlNNKUlYCPcZbdpAzyzpz2qc1knR3cyqF00zaSVkBdQV6jguvvXV7jaIVESw/6PYfJZWRF8Ih2FTNWVFxIoSqR5OzpIuZ/M2tXzT1z4IuaAreOCUqkKZ2mVMXM/nJkEHSNwihEep/wyY1vRO2rvTD1iha0prkm5gWpGxi8t0QDhZM4ZzljL9XOCU6DRMatEnu2SQ9m4eFkqXXSKoDz5t9nqWQ5EQ5SqFS8X6nkqVIHLZfJO1usYvxC97DLhn22Q+buTrOw6tZ46q/mIqNFiyju1OMJVH5emPbnap37U2QO0XBcwgNjqGec4Il42vG8qhZlUIPge/4rbJb//NfW1TdNtFIKS83VzT6AZAgcnsa/oF5AAACX0lEQVQ4y9WUPWgUQRTHT1SwEQVFRCtBEUGwUKxUsBLFxkj84lqRgAgWlsIVKvnYmf3emb29vc3u7Md9mJwH9oelTQoLKxECFsoViidoCMn43pKYaC7eCRZaPJadef/fvJn3nylIKQt/Mwr/PnDCb+9U3fSRytI2cUQLQ2PprMay+1MsOk5ZckNzM2F4tTH43zcQSFj8wvKb0qo2pTM9I51gRoJY4phezt4TJq5qPDmne7WuUWnMU0ec/S0QElEoQThH7Pg65UkF/pcpi/NxrZwtEB4XJ/XgCCz0xqw0esQKL28KRCFWR1gyhgOmnx2gPP6q8kTinOamCF6G+XuUhgehgDmALhInLPYFohDOCMWvoco78K0jBGGrgTmGV5cqEyVFcfca5axjV5/CnLi7sUIn/rgKNf1GLlwPWw+1YF7lsaGqwW5YtMXCWTyqhz83xYmLCOoH6RfYLMpTMT7u7gJolUfPcDEyOtrYmgNLnc42sEqYJw4LrSI0fv7ECvdAEzV0BljPLwXBjrxM13W3Q6Jt5ltKhoKysCVhdwbq4f+lK9o4rq/tvVDYAiZ+jB4cBMWmQd6SytObU6Z3SC/X3hmV+hfQjWxoOxj3Adhk6ddOr8EysFHtG3WiWxN2dAya+Nas1D8pTnxx07sMt+c2QBdW7PQjAARGr30mVnRJ0adPml79A4ZiR2cGPg7gsWsA7eFtQRgeBVTdRTGxw/NQWQ+rI1ycGPq1UVh0Aa5e14YuAnie8ugUwK+YfnMRqn1FbXH4j58vaoSnDb+Zao44mi9iRyNw/ZJJO9j/fz6w3wEq0kr1U9dY4wAAAABJRU5ErkJggg==') !important; 
	background-repeat: no-repeat !important; 
	width: 20px !important; height: 20px; 
	background-size: auto auto !important; 
}

.xkit_tagviewer_button.xkit_new_dashboard:after {
	margin-top: -9px;	
}

.xkit_tagviewer_button.xkit_new_dashboard {
	background: none !important;
}

.xkit_tagviewer_display {
  -moz-user-select: all;
  -webkit-user-select: all;
  user-select: all;
  height: 300px;
  overflow-y: auto;
}

tagviewer.js

//* TITLE TagViewer **//
//* VERSION 1.1 REV B **//
//* DESCRIPTION View Tags **//
//* DEVELOPER STUDIOXENIX **//
//* DETAILS Tags Will Be Viewed. **//
//* FRAME false **//
//* BETA false **//
//* SLOW false **//

XKit.extensions.tagviewer = new Object({

  running: false,
  slow: false,
  apiKey: "fuiKNFp9vQFvjLNvx4sUwti4Yb5yGutBN4Xh10LXZhhRKjWlV4",

  preferences: {
  },

  run: function() {
    this.running = true;
    if (document.location.href.indexOf('http://www.tumblr.com/dashboard') !== -1 || document.location.href.indexOf('http://www.tumblr.com/blog/') !== -1 || document.location.href.indexOf('http://www.tumblr.com/likes') !== -1) {
      XKit.tools.init_css("tagviewer");
      XKit.extensions.tagviewer.init();
      XKit.post_listener.add("tagviewer", XKit.extensions.tagviewer.do);
      XKit.extensions.tagviewer.do();
    }
  },
  
  
  init: function() {
    $(document).on("click", ".xkit_tagviewer_button", function(event) {
      var post_id = $(this).attr('data-xkit-tagviewer-post-id');
      var tumblelog_key = $(this).attr('data-xkit-tagviewer-tumblelog-key');
      var tumblelog_name = $(this).attr('data-xkit-tagviewer-tumblelog-name');

      XKit.extensions.tagviewer.view_tags(post_id, tumblelog_key, tumblelog_name);
    });
    
  },
  
  view_tags: function(post_id, tumblelog_key, tumblelog_name, from) {
    // var q = "/dashboard/notes/" + p.attr("data-post-id") + "/" + p.attr("data-tumblelog-key") + "/" + p.attr("data-tumblelog-name");
    
    var url = "http://www.tumblr.com/dashboard/notes/" + post_id + "/" + tumblelog_key + "/" + tumblelog_name;
    if (!!from) {
      url += "?from_c=" + from;
    }
    $.ajax({
      url: url,
      dataType: 'html'
    }).done(function(data, textStatus, jqXHR) {
      var nextNote = jqXHR.getResponseHeader('X-next-note');

      var notes = $($.parseHTML(data));
      var reblogs = notes.find("li.reblog");
      var postUrls = reblogs.find("span[data-post-url]");

      var deferreds = postUrls.map(function() {
        var postUrl = $(this).attr("data-post-url");
        var blogName = postUrl.split("/")[2];
        var reblogPostId = postUrl.split("/")[4];
        var apiUrl = "http://api.tumblr.com/v2/blog/" + blogName + "/posts/text";
        return $.getJSON(apiUrl, {api_key: XKit.extensions.tagviewer.apiKey, id: reblogPostId});
      }).get();

      var buttonHtml = "<div class=\"xkit-button default\" id=\"xkit-close-message\">Done</div>";
      if (nextNote.length > 0) {
        buttonHtml = "<div class=\"xkit-button\" id=\"xkit-tagviewer-load-more\">Load More</div>" + buttonHtml;
      }

      $.when.apply($, deferreds).done(function() {
        var windowHtml = "<dl class=\"xkit_tagviewer_display\">";
        var results = arguments;
        if (deferreds.length === 1) {
          results = [arguments];
        }
        for (var i = 0; i < results.length; i++) {
          var result = results[i];
          var data = result[0];
          var post = data.response.posts[0];
          if (post.tags.length > 0) {
            windowHtml += "<dt>" + post.blog_name + "</dt><dd>";
            for (var j = 0; j < post.tags.length; j++) {
              windowHtml += "#" + post.tags[j] + " ";
            }
            windowHtml += "</dd>";
          }
        }
        windowHtml += "</dl>";

        XKit.window.show("Tagviewer", windowHtml, "info", buttonHtml);
        $("#xkit-tagviewer-load-more").click(function() {
          XKit.window.close();
          XKit.extensions.tagviewer.view_tags(post_id, tumblelog_key, tumblelog_name, nextNote);
        });
      });

    });
  },
  
  
  do: function() {
  
    $(".post").not(".note").not(".xtagviewer_done").each(function() {

      var post_id = $(this).attr('data-post-id');
      var tumblelog_key = $(this).attr('data-tumblelog-key');
      var tumblelog_name = $(this).attr('data-tumblelog-name');

      $(this).addClass("xtagviewer_done");

      var m_html = "<a class=\"post_control post_control_icon xtagviewer_post_icon xkit_tagviewer_button\" data-xkit-tagviewer-post-id=\"" + post_id + "\" data-xkit-tagviewer-tumblelog-key=\"" + tumblelog_key + "\" data-xkit-tagviewer-tumblelog-name=\"" + tumblelog_name + "\" onclick=\"return false\">t</a>";
      if ($(this).find(".post_controls_inner").length > 0) {
        m_html = "<a class=\"post_control post_control_icon xtagviewer_post_icon xkit_new_dashboard xkit_tagviewer_button\" data-xkit-tagviewer-post-id=\"" + post_id + "\" data-xkit-tagviewer-tumblelog-key=\"" + tumblelog_key + "\" data-xkit-tagviewer-tumblelog-name=\"" + tumblelog_name + "\" onclick=\"return false\"></a>";
        $(this).find(".post_controls_inner").prepend(m_html);
      } else {
        $(this).find(".post_controls").prepend(m_html);
      }
    }); 
    
  },

  destroy: function() {
    $(".xtagviewer_post_icon").remove();
    XKit.tools.remove_css("tagviewer");
    XKit.post_listener.remove("tagviewer");
    this.running = false;
  }

});