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  • World of Warcraft
  • 533,374 Monthly Downloads
  • Supports: 6.0.3
  • 25,737,501 Total Downloads
  • Updated 01/23/2015
  • Created 06/06/2009
  • 10,447 Favorites
  • Project Site
  • Comments
  • Release Type: Release
  • License: GNU General Public License version 3 (GPLv3)
  • Newest File:
Support development! **

About _NPCScan

If you care at all about my wishes, you won't download this AddOn from SolidIce: They are leeching it from the site I actually choose to put it on.

_NPCScan helps you find rare mobs through the use of dynamic target macros, mouse over alerts and for Vignette mobs proximity. Once a mob is found by one of these methods an on screen alert is displayed, in addition to an audio alert.

_NPCScan & Warlords

Due to changes in how the game caches mobs in WoD, it is looking like _NPCScan will no longer be able to auto detect non-Vignette mobs. Due to this the only way to find pre-MoP rares via _NPCScan will be via mouse over or the new dynamic target macro keybind being added. The new keybind will trigger a /targetexact …” macro that updates with tracked mobs based on the zone you are currently in. Vignette mobs will still automatically trigger an alert when the mob gets in range, and should work more reliably due to updates to the Vignette API.

V6.x Changes
  • Cache Scanning Removed - Due to changes in the way WoW cache mobs, NPCScan can no longer auto alert when mobs are nearby like it use to.
  • Dynamic TargetExact Macro Keybind - NPCScan now has a keybind you can set that will try to /exacttarget tracked mobs. This macro will dynamically update based on the zone you are in and which mobs are being tracked.
  • Updated Vignette Alerts - Vignette Alerts are now more reliable and show the actual mob when detected the majority of time.

If you have a question check the FAQ, or a problem create a ticket

If you have a question/comment about _NPCScan.Overlay please post it in it's comment section.


Dynamic Target Keybind

NPCScan now includes a keybinding that will trigger a stored dynamic target macro. Each time it is pressed, the keybind will trigger a /targetexact <mob name> for every tracked mobs in the current zone you are in, in addition to any custom added mobs. This macro will be auto updated based on the zone you are currently in. To access this feature, just set a keybind under the Keybind->Other_>NPCScan section. Note: To search via the keybind, you will need to continuously push the bind. Pushing it once will only trigger it once, it does not auto scan like it did Pre WoD.


NPCScan now tracks "vignettes". These are the little skulls appear on the minimap, that denote rare mobs. This is a beta feature and is disabled by default. Enabling this feature will alert you to a rare that's within minimap range, without any worries about having to clear your cache. When you get an alert you will be shown a target button similar to the standard mob alert, letting you know that a vignette mob was detected. Clicking on the target button will try and target the mob.

“Found” Alert

When a rare mob is found, _NPCScan alerts you by playing a loud and distinctive sound, making your screen pulse red, and displaying an animated Targeting Button. To get a feel for what this alert looks and sounds like, try the “Test Found Alert” button in the addon's main Interface Options panel. (See the Options section below.)

Targeting Button

When clicked, the targeting button tries to target the most-recently-found mob.&nbsp; You can also bind a key to hit this button. If the default button position isn't to your liking, you can move it while holding your CTRL key.

Note: The button cannot be shown during combat. In the unlikely case that you do find a rare while fighting, the button will appear after you leave combat. You will still hear the alert however, and the name of the mob will appear in your chat log.


_NPCScan's main options window can be accessed from the Interface Options menu. This panel includes a “Test Found Alert” button, various ways to customize the alert sound, and an option to suppress cache warning messages on log-in. New sounds can be added to the alert sound dropdown menu by installing SharedMedia-type addons.

Search List

The list of mobs that _NPCScan searches for can be modified easily through the Interface Options panel, however it comes pre-configured with most rare mobs.; To access the mob list, type “/npcscan”. Grayed out NPCs in a list aren't being searched for, either because they're cached or not needed for their achievement.

The first tab available lists Custom NPCs that you can enter or remove manually. NPCs that are already cached show a red “X” in the first column. You can add or remove Custom NPCs with the [+] and [-] buttons at the bottom right.

All other tabs control achievements like Bloody Rareand Frostbitten. These tabs show an additional column on the right with green check marks for completed achievement mobs. You may enable or disable tracking each achievement with its tab's checkbox.

To remove non custom mobs from a tab, click on the mob that you want to remove and then click on the "Remove" button. This will remove the selected mob from the current tab and add it to the Ignore List Tab. If you ever want to restore a Ignored Mob, select it from the "Ignore List" tab, click the "Remove" button and it should be added back to its original tab.

The “Search for completed Achievement NPCs” checkbox at the top left of the pane allows you to keep looking for mobs you no longer need for achievements.

Finding NPC IDs

A mob's NPC ID is its unique identification number, and it can be found on sites like WowHead or WowDB For example, search for the mob “Dirkee” on WowHead and go to the mob's page.&nbsp; That page's URL will look like

32500 is Dirkee's NPC ID.

James D. Callahan III <>
2015-01-23 10:09:26 -0600


James D. Callahan III:
    - Minor cleanup and parameter fix for target button's OnEvent script. Ticket #85
    - Semicolon removal.
    - Possible fix for alerts not triggering.


First Previous Page 82 of 167 Next Last
  • #1788


    After clearing my NPC cache, I'm getting a NPCScan error. NPCScan itself seems to be working fine, BUT NPC Scan Overlay (where I've also posted the bug) isn't working.

    The error is as follows;

    Date: 2012-08-12 00:58:07
    ID: 1
    Error occured in: Global
    Count: 1
    Message: ..\AddOns\_NPCScan\_NPCScan.lua line 823:
       attempt to index field 'Overlays' (a nil value)
       [C]: ?
       (tail call): ?
      Swatter, v3.3.0 (<%codename%>)
      NPCScan, v4.1.0.2
      AckisRecipeList, v2.3.0
      Auctionator, v3.0.0
      ChatBar, v3.4
      CTCore, v4.0302
      CTMailMod, v4.0301
      CTUnitFrames, v4.0301
      DBMCore, v
      DoTimer, v4.5.1
      HealBot, v4.3.2.0
      HideBars, v1.0
      MapCoords, v0.11
      MFClip, vv2.15
      MobInfo2, v3.87
      Omen, v3.1.6
      OmniCC, v4.3.2
      POC, v
      SlideBar, v3.3.0 (<%codename%>)
      TellMeWhen, v5.0.2
      tullaRange, v4.3.1
      URLCopy, v
      BlizRuntimeLib_enUS v4.3.4.40300 <eu>

  • #1785

    I have searched for completed achievement mobs checked on the addon and i have cleared the cache and the nps scan isnt picking up the completed achievment mobs for me. im not getting any errors either

  • #1787

    Same here..


  • #1783

    Would be great if it works with "Sound in background" enabled. If I minimize or play something els.

  • #1782

    I have installed it and it is in the Interface/AddOns/, but when I Enter World and go into Interface AddOns the _NPCscan isn't there and it doesn't work. How do I fix it?

  • #1786

    Same here.

  • #1781

    Can you add an option to have the alert sound loop until you close the target window that pops up?  Sort of like an alarm until you hit the off button?  I'm in AFK, it would be nice for it to keep playing if I miss the very first alarm.




  • #1775

    Open a txt with your notepad and put:

    del [route]\creaturecache.wdb

    In my case, as it follows:

    del G:\WorldofWarcraft(retail)\Cache\WDB\esES\creaturecache.wdb


    Rename the txt to bat extension, and wala, just execute to autodelete the cache :)

  • #1777

    Just a quick question, all I have to do is make that file and run it before I play every time????

  • #1778
    Quote from sbpbp »

    Just a quick question, all I have to do is make that file and run it before I play every time????

    Nop, the file is like a .exe. You can execute it whatever the number of times you want.

  • #1776

    Thx, but I'm already doing this with every WoW start.

  • #1774

    Yesterday and today I was in Northrend. On each day I got the message "Putrid the Ancient found".
    I clicked and he was in my target, but too far away to be interacted with. So I flew around to see in which direction I lose him out of my target to extrapolate his position.

    I got the NPCScan message at Light's breach in Zul'Drak.
    So I flew north - a little bit.
    I finally got him out of target (he was killed while I flew)  way past Dun Niffelem ...

    So I searched where he was supposed to be: In Icecrown.

    How can I target some NPC two areas away? And why was I alerted?

  • #1773

    How do I empty the cache with Mac OS 10.7?


  • #1772

    While farming transmog greenies, I could REALLY use an addition to this addon that would supply ALL of the rare spawns in the game - I often farm in Blasted Lands, Winterspring etc, and have manually added the rares here, but it would just be a helluva lot easier if there was a way to add ALL of them in one go.

  • #1770

    I have a problem with npcscan. It doesn't go off when the window is minimized. If you use more than 1 account to camp for a spawn, or just so that you won't get bored, it's nice to have the windows minimized and do other stuff like watch Netflix. However, I've noticed that NPCscan won't go off then, it goes off when you open the window again.

    Would there be a way around this, or is this something that just cannot be fixed?

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