diff --git a/buffet/dbus_bindings/org.chromium.Buffet.Command.xml b/buffet/dbus_bindings/org.chromium.Buffet.Command.xml
new file mode 100644
index 0000000..89d9efd
--- /dev/null
+++ b/buffet/dbus_bindings/org.chromium.Buffet.Command.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<node name="/"
+      xmlns:tp="http://telepathy.freedesktop.org/wiki/DbusSpec#extensions-v0">
+  <interface name="org.chromium.Buffet.Command">
+    <method name="SetProgress">
+      <arg name="progress" type="i" direction="in"/>
+      <annotation name="org.chromium.DBus.Method.Kind" value="normal"/>
+    </method>
+    <method name="Abort">
+      <annotation name="org.chromium.DBus.Method.Kind" value="simple"/>
+    </method>
+    <method name="Cancel">
+      <annotation name="org.chromium.DBus.Method.Kind" value="simple"/>
+    </method>
+    <method name="Done">
+      <annotation name="org.chromium.DBus.Method.Kind" value="simple"/>
+    </method>
+    <property name="Name" type="s" access="read"/>
+    <property name="Category" type="s" access="read"/>
+    <property name="Id" type="s" access="read"/>
+    <property name="Status" type="s" access="read"/>
+    <property name="Progress" type="i" access="read"/>
+    <property name="Parameters" type="a{sv}" access="read"/>
+  </interface>
+</node>
diff --git a/buffet/dbus_bindings/org.chromium.Buffet.Manager.xml b/buffet/dbus_bindings/org.chromium.Buffet.Manager.xml
new file mode 100644
index 0000000..4490dac
--- /dev/null
+++ b/buffet/dbus_bindings/org.chromium.Buffet.Manager.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<node name="/org/chromium/Buffet/Manager"
+      xmlns:tp="http://telepathy.freedesktop.org/wiki/DbusSpec#extensions-v0">
+  <interface name="org.chromium.Buffet.Manager">
+    <tp:docstring>
+      The Manager is responsible for global state of Buffet.  It exposes
+      interfaces which affect the entire device such as device registration and
+      device state.
+    </tp:docstring>
+    <method name="StartDevice">
+      <annotation name="org.chromium.DBus.Method.Kind" value="async"/>
+    </method>
+    <method name="CheckDeviceRegistered">
+      <arg name="device_id" type="s" direction="out"/>
+      <annotation name="org.chromium.DBus.Method.Kind" value="async"/>
+    </method>
+    <method name="GetDeviceInfo">
+      <arg name="device_info" type="s" direction="out"/>
+      <annotation name="org.chromium.DBus.Method.Kind" value="async"/>
+    </method>
+    <method name="RegisterDevice">
+      <arg name="params" type="a{sv}" direction="in"/>
+      <arg name="device_id" type="s" direction="out"/>
+      <annotation name="org.chromium.DBus.Method.Kind" value="async"/>
+    </method>
+    <method name="UpdateState">
+      <arg name="property_set" type="a{sv}" direction="in"/>
+      <annotation name="org.chromium.DBus.Method.Kind" value="async"/>
+    </method>
+    <method name="AddCommand">
+      <arg name="json_command" type="s" direction="in"/>
+      <annotation name="org.chromium.DBus.Method.Kind" value="async"/>
+    </method>
+    <method name="TestMethod">
+      <arg name="message" type="s" direction="in"/>
+      <arg name="echoed_message" type="s" direction="out"/>
+      <annotation name="org.chromium.DBus.Method.Kind" value="simple"/>
+    </method>
+  </interface>
+</node>