diff --git a/framework/core/src/Console/ConsoleServiceProvider.php b/framework/core/src/Console/ConsoleServiceProvider.php
new file mode 100644
index 000000000..674927538
--- /dev/null
+++ b/framework/core/src/Console/ConsoleServiceProvider.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of Flarum.
+ *
+ * For detailed copyright and license information, please view the
+ * LICENSE file that was distributed with this source code.
+ */
+
+namespace Flarum\Console;
+
+use Flarum\Database\Console\GenerateMigrationCommand;
+use Flarum\Database\Console\MigrateCommand;
+use Flarum\Database\Console\ResetCommand;
+use Flarum\Foundation\AbstractServiceProvider;
+use Flarum\Foundation\Console\CacheClearCommand;
+
+class ConsoleServiceProvider extends AbstractServiceProvider
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function register()
+    {
+        $this->app->singleton('flarum.console.commands', function () {
+            return [
+                CacheClearCommand::class,
+                GenerateMigrationCommand::class,
+                MigrateCommand::class,
+                ResetCommand::class,
+            ];
+        });
+    }
+}
diff --git a/framework/core/src/Console/Event/Configuring.php b/framework/core/src/Console/Event/Configuring.php
index eaeea3358..0e4b1dc06 100644
--- a/framework/core/src/Console/Event/Configuring.php
+++ b/framework/core/src/Console/Event/Configuring.php
@@ -14,9 +14,7 @@ use Illuminate\Console\Command;
 use Symfony\Component\Console\Application as ConsoleApplication;
 
 /**
- * Configure the console application.
- *
- * This event is fired after the core commands are added to the application.
+ * @deprecated
  */
 class Configuring
 {
diff --git a/framework/core/src/Console/Server.php b/framework/core/src/Console/Server.php
index 832f5a4e0..86257ca52 100644
--- a/framework/core/src/Console/Server.php
+++ b/framework/core/src/Console/Server.php
@@ -39,11 +39,14 @@ class Server
             $console->add($command);
         }
 
-        $this->extend($console);
+        $this->extend($console); // deprecated
 
         exit($console->run());
     }
 
+    /**
+     * @deprecated
+     */
     private function extend(ConsoleApplication $console)
     {
         $app = Application::getInstance();
diff --git a/framework/core/src/Extend/Console.php b/framework/core/src/Extend/Console.php
new file mode 100644
index 000000000..8fef2b635
--- /dev/null
+++ b/framework/core/src/Extend/Console.php
@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * This file is part of Flarum.
+ *
+ * For detailed copyright and license information, please view the
+ * LICENSE file that was distributed with this source code.
+ */
+
+namespace Flarum\Extend;
+
+use Flarum\Extension\Extension;
+use Illuminate\Contracts\Container\Container;
+
+class Console implements ExtenderInterface
+{
+    protected $addCommands = [];
+
+    /**
+     * Add a command to the console.
+     *
+     * @param string $command ::class attribute of command class, which must extend Flarum\Console\AbstractCommand
+     */
+    public function command($command)
+    {
+        $this->addCommands[] = $command;
+
+        return $this;
+    }
+
+    public function extend(Container $container, Extension $extension = null)
+    {
+        $container->extend('flarum.console.commands', function ($existingCommands) {
+            return array_merge($existingCommands, $this->addCommands);
+        });
+    }
+}
diff --git a/framework/core/src/Foundation/InstalledApp.php b/framework/core/src/Foundation/InstalledApp.php
index f7c4e959d..9cf4f0265 100644
--- a/framework/core/src/Foundation/InstalledApp.php
+++ b/framework/core/src/Foundation/InstalledApp.php
@@ -9,13 +9,10 @@
 
 namespace Flarum\Foundation;
 
-use Flarum\Database\Console\GenerateMigrationCommand;
-use Flarum\Database\Console\MigrateCommand;
-use Flarum\Database\Console\ResetCommand;
-use Flarum\Foundation\Console\CacheClearCommand;
 use Flarum\Foundation\Console\InfoCommand;
 use Flarum\Http\Middleware\DispatchRoute;
 use Flarum\Settings\SettingsRepositoryInterface;
+use Illuminate\Console\Command;
 use Illuminate\Contracts\Container\Container;
 use Laminas\Stratigility\Middleware\OriginalMessages;
 use Laminas\Stratigility\MiddlewarePipe;
@@ -115,12 +112,21 @@ class InstalledApp implements AppInterface
      */
     public function getConsoleCommands()
     {
-        return [
-            $this->container->make(GenerateMigrationCommand::class),
-            $this->container->make(InfoCommand::class, ['config' => $this->config]),
-            $this->container->make(MigrateCommand::class),
-            $this->container->make(ResetCommand::class),
-            $this->container->make(CacheClearCommand::class),
-        ];
+        $commands = [];
+
+        // The info command is a special case, as it requires a config parameter that's only available here.
+        $commands[] = $this->container->make(InfoCommand::class, ['config' => $this->config]);
+
+        foreach ($this->container->make('flarum.console.commands') as $command) {
+            $newCommand = $this->container->make($command);
+
+            if ($newCommand instanceof Command) {
+                $newCommand->setLaravel($this->container);
+            }
+
+            $commands[] = $newCommand;
+        }
+
+        return $commands;
     }
 }
diff --git a/framework/core/src/Foundation/InstalledSite.php b/framework/core/src/Foundation/InstalledSite.php
index ae22c72f2..ecce78c4f 100644
--- a/framework/core/src/Foundation/InstalledSite.php
+++ b/framework/core/src/Foundation/InstalledSite.php
@@ -12,6 +12,7 @@ namespace Flarum\Foundation;
 use Flarum\Admin\AdminServiceProvider;
 use Flarum\Api\ApiServiceProvider;
 use Flarum\Bus\BusServiceProvider;
+use Flarum\Console\ConsoleServiceProvider;
 use Flarum\Database\DatabaseServiceProvider;
 use Flarum\Database\MigrationServiceProvider;
 use Flarum\Discussion\DiscussionServiceProvider;
@@ -113,6 +114,7 @@ class InstalledSite implements SiteInterface
         $laravel->register(AdminServiceProvider::class);
         $laravel->register(ApiServiceProvider::class);
         $laravel->register(BusServiceProvider::class);
+        $laravel->register(ConsoleServiceProvider::class);
         $laravel->register(DatabaseServiceProvider::class);
         $laravel->register(DiscussionServiceProvider::class);
         $laravel->register(ExtensionServiceProvider::class);
diff --git a/framework/core/tests/integration/ConsoleTestCase.php b/framework/core/tests/integration/ConsoleTestCase.php
new file mode 100644
index 000000000..80d907a2e
--- /dev/null
+++ b/framework/core/tests/integration/ConsoleTestCase.php
@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * This file is part of Flarum.
+ *
+ * For detailed copyright and license information, please view the
+ * LICENSE file that was distributed with this source code.
+ */
+
+namespace Flarum\Tests\integration;
+
+use Flarum\Foundation\Application;
+use Symfony\Component\Console\Application as ConsoleApplication;
+use Symfony\Component\Console\Input\ArrayInput;
+use Symfony\Component\Console\Output\BufferedOutput;
+
+abstract class ConsoleTestCase extends TestCase
+{
+    protected $console;
+
+    protected function console()
+    {
+        if (is_null($this->console)) {
+            $this->console = new ConsoleApplication('Flarum', Application::VERSION);
+            $this->console->setAutoExit(false);
+
+            foreach ($this->app()->getConsoleCommands() as $command) {
+                $this->console->add($command);
+            }
+        }
+
+        return $this->console;
+    }
+
+    protected function runCommand(array $inputArray)
+    {
+        $input = new ArrayInput($inputArray);
+        $output = new BufferedOutput();
+
+        $this->console()->run($input, $output);
+
+        return trim($output->fetch());
+    }
+}
diff --git a/framework/core/tests/integration/extenders/ConsoleTest.php b/framework/core/tests/integration/extenders/ConsoleTest.php
new file mode 100644
index 000000000..8a941b17a
--- /dev/null
+++ b/framework/core/tests/integration/extenders/ConsoleTest.php
@@ -0,0 +1,65 @@
+<?php
+
+/*
+ * This file is part of Flarum.
+ *
+ * For detailed copyright and license information, please view the
+ * LICENSE file that was distributed with this source code.
+ */
+
+namespace Flarum\Tests\integration\extenders;
+
+use Flarum\Console\AbstractCommand;
+use Flarum\Extend;
+use Flarum\Tests\integration\ConsoleTestCase;
+
+class ConsoleTest extends ConsoleTestCase
+{
+    /**
+     * @test
+     */
+    public function custom_command_doesnt_exist_by_default()
+    {
+        $input = [
+            'command' => 'customTestCommand'
+        ];
+
+        $this->assertEquals('Command "customTestCommand" is not defined.', $this->runCommand($input));
+    }
+
+    /**
+     * @test
+     */
+    public function custom_command_exists_when_added()
+    {
+        $this->extend(
+            (new Extend\Console())
+                ->command(CustomCommand::class)
+        );
+
+        $input = [
+            'command' => 'customTestCommand'
+        ];
+
+        $this->assertEquals('Custom Command.', $this->runCommand($input));
+    }
+}
+
+class CustomCommand extends AbstractCommand
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        $this->setName('customTestCommand');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function fire()
+    {
+        $this->info('Custom Command.');
+    }
+}