A phantomjs script to:a) Login to Linkedin.comb) Scrape all your contactsc) Visit all the contactsd) Automatically endorse all contacts' skills.

phantomjs-linkedin.js

var auth = {
  user: "USERNAME",
  pass: "PASSWORD"
};

function ParallelRunner (list, func, runners) {
  function createSlots(runners) {
    var slots = [];
    for (var i = 0; i < runners; i++) {
      slots.push( objReturner() );
    }
    return slots;
  }

  function objReturner() {
    return { free: true };
  }

  function toArray(obj) {
    return Array.prototype.slice.call(obj);
  }

  function bind(scope, fn /*, variadic args to curry */ ) {
    var args = Array.prototype.slice.call(arguments, 2);
    return function() {
      return fn.apply(scope, args.concat(toArray(arguments)));
    };
  }

  function _next() {
    var slot = this.getFreeSlot();
    if (slot !== null) {
      slot.free = false;
      var cb = function() {
        slot.free = true;
      };
      if (list.length !== 0) {
        var next = list.pop();
        func(next, cb);
      } else {}
    }
  }

  this.start = function() {
    interval = setInterval(this.next, 100);
  };

  this.stop = function(){
    clearInterval(interval);
  };

  function _getFreeSlot() {
    for (var i = slots.length - 1; i >= 0; i--) {
      if (slots[i].free) {
        return slots[i];
      }
    }
    return null;
  }

  runners = runners || 3;
  var slots = createSlots(runners),
    interval;
  // Something weird happens with objects returned by PhantomJS page.evaluate()
  // Fix em by rebuilding the objects. ONLY WORKS w/ SIMPLE OBJECTS!!!
  list = JSON.parse(JSON.stringify(list));
  this.next = bind(this, _next);
  this.getFreeSlot = bind(this, _getFreeSlot);
}

function visitAndEndorse(name, cb) {
  var np = require("webpage").create();
  np.onConsoleMessage = function(msg) {
    console.log(msg);
  };
  np.open(name.href, function(status) {
    if (status === "success") {
      np.evaluate(function() {
        function click(el) {
          var ev = document.createEvent("MouseEvent");
          ev.initMouseEvent(
            "click",
            true /* bubble */ , true /* cancelable */ ,
            window, null,
            0, 0, 0, 0, /* coordinates */
            false, false, false, false, /* modifier keys */
            0 /*left*/ , null
          );
          el.dispatchEvent(ev);
        }

        var name = document.querySelector(".full-name");
        if (name !== null) {
          console.log("Visited " + name.textContent);
        }
        setTimeout(function() {
          var endorse = document.querySelector(".btn-action.endorse-skills");
          if (endorse !== null) {
            console.log("Endorsed " + name.textContent);
            click(endorse);
          } else {
            console.log("No endorse");
          }
        }, 3000);
      });
      window.setTimeout(function() {
        np.close();
        cb();
      }, 6000);
    }
  });
}

var page = require("webpage").create();
var names = [];

page.onConsoleMessage = function(msg) {
  console.log(msg);
};

page.open("http://www.linkedin.com/people/connections", function(status) {
  if (status === "success") {
    page.evaluate(function() {
      function click(el) {
        var ev = document.createEvent("MouseEvent");
        ev.initMouseEvent(
          "click",
          true /* bubble */ , true /* cancelable */ ,
          window, null,
          0, 0, 0, 0, /* coordinates */
          false, false, false, false, /* modifier keys */
          0 /*left*/ , null
        );
        el.dispatchEvent(ev);
      }

      var button = document.querySelector("#uno-reg-join > div > div > div > div.content-container > div.reg-content-wrapper.single > div > div > p > a");
      click(button);
    });
    window.setTimeout(function() {
      page.evaluate(function(auth) {
        document.querySelector("#session_key-login").value = auth.user;
        document.querySelector("#session_password-login").value = auth.pass;
        document.querySelector("#login").submit();

        console.log("Login submitted!");
      }, auth);
    }, 1400);

    window.setTimeout(function() {
      console.log("Get names");
      names = page.evaluate(function() {
        var all = document.querySelectorAll(".conx-list li");
        var list = [];
        for (var i = all.length - 1; i >= 0; i--) {
          var item = all[i];
          if (item.hasOwnProperty("id")) {
            var nameInputs = item.getElementsByTagName("input");
            if (nameInputs.length > 0) {
              console.log(nameInputs[0].value, item.id);
              list.push({
                name: nameInputs[0].value,
                href: "http://www.linkedin.com/profile/view?id=" + item.id
              });
            }
          }
        }
        console.log("Got " + list.length + " names");
        return list;
      });

      var a = new ParallelRunner(names, visitAndEndorse, 3);
      a.start();

    }, 6000);
  }
});

This code is also not running.

Request returned 0

https://static.licdn.com/scds/concat/common/js?h=7vr4nuab43rzvy2pgq7yvvxjk-9qa4rfxekcw3lt2c06h7p0kmf:1 in logError
Login submitted!
TypeError: undefined is not an object (evaluating 'this.headerView.sortDropdownView.updateSortDisplay')

Get names
Got 0 names