diff --git a/authserver/README.md b/authserver/README.md
index 490b924..d29054b 100644
--- a/authserver/README.md
+++ b/authserver/README.md
@@ -66,49 +66,52 @@ Example response:
 {
     "categories": [
         {
-            "url": "http://127.0.0.1:8000/category/wood-shop/",
+            "url": "http://tools-auth.protospace.ca/category/wood-shop/",
             "tools": [
                 {
-                    "url": "http://127.0.0.1:8000/tool/table-saw/",
-                    "category": "http://127.0.0.1:8000/category/wood-shop/",
+                    "url": "http://tools-auth.protospace.ca/tool/table-saw/",
+                    "category": "http://tools-auth.protospace.ca/category/wood-shop/",
                     "name": "Table Saw",
                     "slug": "table-saw",
                     "info": "scary tool",
                     "wiki_id": 123,
-                    "photo": "http://127.0.0.1:8000/media/floodgf.jpg"
+                    "photo": "http://tools-auth.protospace.ca/media/DSC00125.jpg",
+                    "mac": "2C3AE843A15F"
                 },
                 {
-                    "url": "http://127.0.0.1:8000/tool/jointer/",
-                    "category": "http://127.0.0.1:8000/category/wood-shop/",
+                    "url": "http://tools-auth.protospace.ca/tool/jointer/",
+                    "category": "http://tools-auth.protospace.ca/category/wood-shop/",
                     "name": "Jointer",
                     "slug": "jointer",
                     "info": "goes buzz buzz",
                     "wiki_id": 1,
-                    "photo": "http://127.0.0.1:8000/media/uq4ldzsp4bu01.jpg"
+                    "photo": "http://tools-auth.protospace.ca/media/uq4ldzsp4bu01.jpg",
+                    "mac": "2C3AE8439EAD"
                 }
             ],
             "name": "Wood Shop",
             "slug": "wood-shop",
             "info": "protospace wood shop",
-            "photo": "http://127.0.0.1:8000/media/photo_2018-05-06_13-26-59.jpg"
+            "photo": "http://tools-auth.protospace.ca/media/ps-wood-shop.jpg"
         },
         {
-            "url": "http://127.0.0.1:8000/category/metal-shop/",
+            "url": "http://tools-auth.protospace.ca/category/metal-shop/",
             "tools": [
                 {
-                    "url": "http://127.0.0.1:8000/tool/metal-lathe/",
-                    "category": "http://127.0.0.1:8000/category/metal-shop/",
+                    "url": "http://tools-auth.protospace.ca/tool/metal-lathe/",
+                    "category": "http://tools-auth.protospace.ca/category/metal-shop/",
                     "name": "Metal Lathe",
                     "slug": "metal-lathe",
                     "info": "spins fast",
                     "wiki_id": 42,
-                    "photo": "http://127.0.0.1:8000/media/intro-metal-shop-vali-steele-97.jpeg"
+                    "photo": "http://tools-auth.protospace.ca/media/lathe.jpeg",
+                    "mac": "ABCDEF000003"
                 }
             ],
             "name": "Metal Shop",
             "slug": "metal-shop",
             "info": "protospace metal shop",
-            "photo": "http://127.0.0.1:8000/media/photo_2018-05-08_17-57-02.jpg"
+            "photo": "http://tools-auth.protospace.ca/media/metal-shop02.jpg"
         }
     ]
 }
@@ -127,7 +130,7 @@ Example response:
     {
         "username": "admin",
         "profile": {
-            "url": "http://127.0.0.1:8000/profile/1/",
+            "url": "http://tools-auth.protospace.ca/profile/1/",
             "user": "admin",
             "authorized_tools": [
                 "table-saw",
diff --git a/authserver/authserver/api/models.py b/authserver/authserver/api/models.py
index e24c27b..2f077a0 100644
--- a/authserver/authserver/api/models.py
+++ b/authserver/authserver/api/models.py
@@ -17,6 +17,7 @@ class Tool(models.Model):
     info = models.TextField(max_length=1024, blank=True)
     wiki_id = models.IntegerField()
     photo = models.ImageField(blank=True)
+    mac = models.CharField(max_length=12)
 
     def __str__(self):
         return self.name