diff --git a/actions/all.php b/actions/all.php
index 3deaea52f9..4ee3911b40 100644
--- a/actions/all.php
+++ b/actions/all.php
@@ -99,6 +99,15 @@ class AllAction extends ProfileAction
     function getFeeds()
     {
         return array(
+            new Feed(Feed::JSON,
+                common_local_url(
+                    'ApiTimelineFriends', array(
+                        'format' => 'as',
+                        'id' => $this->user->nickname
+                    )
+                ),
+                // TRANS: %s is user nickname.
+                sprintf(_('Feed for friends of %s (Activity Streams JSON)'), $this->user->nickname)),
             new Feed(Feed::RSS1,
                 common_local_url(
                     'allrss', array(
diff --git a/actions/public.php b/actions/public.php
index 90e0e6e259..37a1ef3c23 100644
--- a/actions/public.php
+++ b/actions/public.php
@@ -162,7 +162,12 @@ class PublicAction extends Action
      */
     function getFeeds()
     {
-        return array(new Feed(Feed::RSS1, common_local_url('publicrss'),
+        return array(new Feed(Feed::JSON,
+                              common_local_url('ApiTimelinePublic',
+                                               array('format' => 'as')),
+                              // TRANS: Link description for public timeline feed.
+                              _('Public Stream Feed (Activity Streams JSON)')),
+                    new Feed(Feed::RSS1, common_local_url('publicrss'),
                               // TRANS: Link description for public timeline feed.
                               _('Public Stream Feed (RSS 1.0)')),
                      new Feed(Feed::RSS2,
diff --git a/actions/replies.php b/actions/replies.php
index cf248a7785..86042557dc 100644
--- a/actions/replies.php
+++ b/actions/replies.php
@@ -143,7 +143,16 @@ class RepliesAction extends Action
      */
     function getFeeds()
     {
-        return array(new Feed(Feed::RSS1,
+        return array(new Feed(Feed::JSON,
+                              common_local_url('ApiTimelineMentions',
+                                               array(
+                                                    'id' => $this->user->nickname,
+                                                    'format' => 'as')),
+                              // TRANS: Link for feed with replies for a user.
+                              // TRANS: %s is a user nickname.
+                              sprintf(_('Replies feed for %s (Activity Streams JSON)'),
+                                      $this->user->nickname)),
+                     new Feed(Feed::RSS1,
                               common_local_url('repliesrss',
                                                array('nickname' => $this->user->nickname)),
                               // TRANS: Link for feed with replies for a user.
diff --git a/actions/showfavorites.php b/actions/showfavorites.php
index 65bb8f1beb..64fa14bc82 100644
--- a/actions/showfavorites.php
+++ b/actions/showfavorites.php
@@ -165,7 +165,15 @@ class ShowfavoritesAction extends Action
      */
     function getFeeds()
     {
-        return array(new Feed(Feed::RSS1,
+        return array(new Feed(Feed::JSON,
+                              common_local_url('ApiTimelineFavorites',
+                                               array(
+                                                    'id' => $this->user->nickname,
+                                                    'format' => 'as')),
+                              // TRANS: Feed link text. %s is a username.
+                              sprintf(_('Feed for favorites of %s (Activity Streams JSON)'),
+                                      $this->user->nickname)),
+                     new Feed(Feed::RSS1,
                               common_local_url('favoritesrss',
                                                array('nickname' => $this->user->nickname)),
                               // TRANS: Feed link text. %s is a username.
diff --git a/actions/showgroup.php b/actions/showgroup.php
index 530deff622..d4f65a8059 100644
--- a/actions/showgroup.php
+++ b/actions/showgroup.php
@@ -220,7 +220,14 @@ class ShowgroupAction extends Action
           common_local_url('grouprss',
                            array('nickname' => $this->group->nickname));
 
-        return array(new Feed(Feed::RSS1,
+        return array(new Feed(Feed::JSON,
+                              common_local_url('ApiTimelineGroup',
+                                               array('format' => 'as',
+                                                     'id' => $this->group->id)),
+                              // TRANS: Tooltip for feed link. %s is a group nickname.
+                              sprintf(_('Notice feed for %s group (Activity Streams JSON)'),
+                                      $this->group->nickname)),
+                    new Feed(Feed::RSS1,
                               common_local_url('grouprss',
                                                array('nickname' => $this->group->nickname)),
                               // TRANS: Tooltip for feed link. %s is a group nickname.
diff --git a/actions/showprofiletag.php b/actions/showprofiletag.php
index d1b0768d23..a101e4bafa 100644
--- a/actions/showprofiletag.php
+++ b/actions/showprofiletag.php
@@ -169,7 +169,18 @@ class ShowprofiletagAction extends Action
     function getFeeds()
     {
         #XXX: make these actually work
-        return array(new Feed(Feed::RSS2,
+        return array(new Feed(Feed::JSON,
+                common_local_url(
+                    'ApiTimelineList', array(
+                        'user' => $this->tagger->id,
+                        'id' => $this->peopletag->id,
+                        'format' => 'as'
+                    )
+                ),
+                // TRANS: Feed title.
+                // TRANS: %s is tagger's nickname.
+                sprintf(_('Feed for friends of %s (Activity Streams JSON)'), $this->tagger->nickname)),
+                new Feed(Feed::RSS2,
                 common_local_url(
                     'ApiTimelineList', array(
                         'user' => $this->tagger->id,
diff --git a/actions/tag.php b/actions/tag.php
index f3514bef55..33339cb8bf 100644
--- a/actions/tag.php
+++ b/actions/tag.php
@@ -79,7 +79,15 @@ class TagAction extends Action
 
     function getFeeds()
     {
-        return array(new Feed(Feed::RSS1,
+        return array(new Feed(Feed::JSON,
+                              common_local_url('ApiTimelineTag',
+                                               array('format' => 'as',
+                                                     'tag' => $this->tag)),
+                              // TRANS: Link label for feed on "notices with tag" page.
+                              // TRANS: %s is the tag the feed is for.
+                              sprintf(_('Notice feed for tag %s (Activity Streams JSON)'),
+                                      $this->tag)),
+                     new Feed(Feed::RSS1,
                               common_local_url('tagrss',
                                                array('tag' => $this->tag)),
                               // TRANS: Link label for feed on "notices with tag" page.