--- a/pylib/mozreview/mozreview/extension.py
+++ b/pylib/mozreview/mozreview/extension.py
@@ -52,16 +52,19 @@ from mozreview.fields import (
     TryField,
 )
 from mozreview.file_diff_reviewer.resources import (
     file_diff_reviewer_resource,
 )
 from mozreview.hooks import (
     MozReviewApprovalHook,
 )
+from mozreview.hostingservice.bmo_bugtracker import (
+    BMOBugTracker,
+)
 from mozreview.hostingservice.hmo_repository import (
     HMORepository,
 )
 from mozreview.ldap.resources import (
     ldap_association_resource,
 )
 from mozreview.middleware import (
     MozReviewCacheDisableMiddleware,
@@ -303,16 +306,17 @@ class MozReviewExtension(Extension):
 
         # Use a custom method to calculate a review approval state.
         MozReviewApprovalHook(self)
 
         # Instantiate the various signal handlers
         initialize_signal_handlers(self)
 
         HostingServiceHook(self, HMORepository)
+        HostingServiceHook(self, BMOBugTracker)
 
     def shutdown(self):
         # Restore the built-in opcode generator.
         set_diff_opcode_generator_class(self.original_opcode_generator)
 
         # We have to put the TestingDone field back before we shut down
         # in order to get the instance back to its original state.
         main_fieldset = get_review_request_fieldset('main')

new file mode 100644
--- /dev/null
+++ b/pylib/mozreview/mozreview/hostingservice/bmo_bugtracker.py
@@ -0,0 +1,67 @@
+from __future__ import unicode_literals
+
+import logging
+
+from django import forms
+from django.utils import six
+from django.utils.translation import ugettext_lazy as _
+
+from reviewboard.admin.validation import validate_bug_tracker_base_hosting_url
+from reviewboard.hostingsvcs.bugtracker import BugTracker
+from reviewboard.hostingsvcs.forms import HostingServiceForm
+from reviewboard.hostingsvcs.service import HostingService
+
+
+class BMOForm(HostingServiceForm):
+    bmo_url = forms.CharField(
+        label=_('Bugzilla URL'),
+        max_length=64,
+        required=True,
+        widget=forms.TextInput(attrs={'size': '60'}),
+        validators=[validate_bug_tracker_base_hosting_url])
+
+    def clean_bmo_url(self):
+        return self.cleaned_data['bmo_url'].rstrip('/')
+
+
+class BMOBugTracker(HostingService, BugTracker):
+    name = 'BMO'
+    form = BMOForm
+    bug_tracker_field = '%(bmo_url)s/show_bug.cgi?id=%%s'
+    supports_bug_trackers = True
+
+    def get_bug_info_uncached(self, repository, bug_id):
+        """Get the bug info from the server."""
+        bug_id = six.text_type(bug_id)
+
+        result = {
+            'summary': '',
+            'description': '',
+            'status': '',
+        }
+
+        try:
+            # TODO investigate if it makes more sense to display BMO's
+            # user-story field, if set, instead of the description.
+            url = '%s/rest/bug/%s?include_fields=summary,status,resolution' % (
+                repository.extra_data['bug_tracker-bmo_url'], bug_id)
+            rsp, headers = self.client.json_get(url)
+            result['summary'] = str(rsp['bugs'][0]['summary'])
+            result['status'] = str(rsp['bugs'][0]['status'])
+            if result['status'] == 'RESOLVED':
+                result['status'] += ' ' + rsp['bugs'][0]['resolution']
+        except Exception as e:
+            logging.warning('Unable to fetch BMO data from %s: %s',
+                            url, e, exc_info=1)
+
+        try:
+            url = '%s/rest/bug/%s/comment?include_fields=text' % (
+                repository.extra_data['bug_tracker-bmo_url'], bug_id)
+            rsp, headers = self.client.json_get(url)
+            result['description'] = str(rsp['bugs'][bug_id]['comments'][0][
+                'text'])
+        except Exception as e:
+            logging.warning('Unable to fetch BMO data from %s: %s',
+                            url, e, exc_info=1)
+
+        return result