diff --git a/adb/adb.cpp b/adb/adb.cpp
index ece143c..577e9b9 100644
--- a/adb/adb.cpp
+++ b/adb/adb.cpp
@@ -1129,6 +1129,18 @@
         return 0;
     }
 
+#if ADB_HOST
+    if (!strcmp(service, "host-features")) {
+        FeatureSet features = supported_features();
+        // Abuse features to report libusb status.
+        if (should_use_libusb()) {
+            features.insert(kFeatureLibusb);
+        }
+        SendOkay(reply_fd, FeatureSetToString(features));
+        return 0;
+    }
+#endif
+
     // remove TCP transport
     if (!strncmp(service, "disconnect:", 11)) {
         const std::string address(service + 11);
diff --git a/adb/adb.h b/adb/adb.h
index a30e297..aea5fb8 100644
--- a/adb/adb.h
+++ b/adb/adb.h
@@ -54,7 +54,7 @@
 std::string adb_version();
 
 // Increment this when we want to force users to start a new adb server.
-#define ADB_SERVER_VERSION 38
+#define ADB_SERVER_VERSION 39
 
 class atransport;
 
diff --git a/adb/client/usb_dispatch.cpp b/adb/client/usb_dispatch.cpp
index f02dccf..bfc8e16 100644
--- a/adb/client/usb_dispatch.cpp
+++ b/adb/client/usb_dispatch.cpp
@@ -17,11 +17,6 @@
 #include <android-base/logging.h>
 #include "usb.h"
 
-static bool should_use_libusb() {
-    static bool enable = getenv("ADB_LIBUSB") && strcmp(getenv("ADB_LIBUSB"), "1") == 0;
-    return enable;
-}
-
 void usb_init() {
     if (should_use_libusb()) {
         LOG(DEBUG) << "using libusb backend";
diff --git a/adb/commandline.cpp b/adb/commandline.cpp
index 3b2df2e..5a2206f 100644
--- a/adb/commandline.cpp
+++ b/adb/commandline.cpp
@@ -1929,8 +1929,7 @@
     else if (!strcmp(argv[0], "--version") || !strcmp(argv[0], "version")) {
         fprintf(stdout, "%s", adb_version().c_str());
         return 0;
-    }
-    else if (!strcmp(argv[0], "features")) {
+    } else if (!strcmp(argv[0], "features")) {
         // Only list the features common to both the adb client and the device.
         FeatureSet features;
         std::string error;
@@ -1945,6 +1944,8 @@
             }
         }
         return 0;
+    } else if (!strcmp(argv[0], "host-features")) {
+        return adb_query_command("host:host-features");
     } else if (!strcmp(argv[0], "reconnect")) {
         if (argc == 1) {
             return adb_query_command("host:reconnect");
diff --git a/adb/transport.cpp b/adb/transport.cpp
index 60f3b5c..c951f5b 100644
--- a/adb/transport.cpp
+++ b/adb/transport.cpp
@@ -51,6 +51,7 @@
 const char* const kFeatureShell2 = "shell_v2";
 const char* const kFeatureCmd = "cmd";
 const char* const kFeatureStat2 = "stat_v2";
+const char* const kFeatureLibusb = "libusb";
 
 static std::string dump_packet(const char* name, const char* func, apacket* p) {
     unsigned command = p->msg.command;
diff --git a/adb/transport.h b/adb/transport.h
index 3306388..490e513 100644
--- a/adb/transport.h
+++ b/adb/transport.h
@@ -47,6 +47,8 @@
 // The 'cmd' command is available
 extern const char* const kFeatureCmd;
 extern const char* const kFeatureStat2;
+// The server is running with libusb enabled.
+extern const char* const kFeatureLibusb;
 
 class atransport {
 public:
diff --git a/adb/transport_usb.cpp b/adb/transport_usb.cpp
index 3d6cc99..e16cf12 100644
--- a/adb/transport_usb.cpp
+++ b/adb/transport_usb.cpp
@@ -97,3 +97,12 @@
 {
     return (usb_class == ADB_CLASS && usb_subclass == ADB_SUBCLASS && usb_protocol == ADB_PROTOCOL);
 }
+
+bool should_use_libusb() {
+#if defined(_WIN32) || !ADB_HOST
+    return false;
+#else
+    static bool enable = getenv("ADB_LIBUSB") && strcmp(getenv("ADB_LIBUSB"), "1") == 0;
+    return enable;
+#endif
+}
diff --git a/adb/usb.h b/adb/usb.h
index 879bacc..ba70de4 100644
--- a/adb/usb.h
+++ b/adb/usb.h
@@ -55,3 +55,5 @@
 
 // USB device detection.
 int is_adb_interface(int usb_class, int usb_subclass, int usb_protocol);
+
+bool should_use_libusb();