diff --git a/tests/SmokeTest.php b/tests/SmokeTest.php
new file mode 100644
index 0000000..cb66a4e
--- /dev/null
+++ b/tests/SmokeTest.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Phred\ConsoleContracts\Tests;
+
+use PHPUnit\Framework\TestCase;
+
+final class SmokeTest extends TestCase
+{
+    public function testInterfacesAndClassesExist(): void
+    {
+        $this->assertTrue(interface_exists(\Phred\ConsoleContracts\CommandInterface::class));
+        $this->assertTrue(interface_exists(\Phred\ConsoleContracts\InputInterface::class));
+        $this->assertTrue(interface_exists(\Phred\ConsoleContracts\OutputInterface::class));
+        $this->assertTrue(interface_exists(\Phred\ConsoleContracts\ConsoleMiddlewareInterface::class));
+        $this->assertTrue(interface_exists(\Phred\ConsoleContracts\ConsoleExceptionInterface::class));
+        $this->assertTrue(class_exists(\Phred\ConsoleContracts\Verbosity::class));
+        $this->assertTrue(class_exists(\Phred\ConsoleContracts\ExitCode::class));
+        $this->assertTrue(interface_exists(\Phred\ConsoleContracts\InteractionInterface::class));
+        $this->assertTrue(interface_exists(\Phred\ConsoleContracts\Helpers\ProgressBarInterface::class));
+        $this->assertTrue(interface_exists(\Phred\ConsoleContracts\Helpers\TableInterface::class));
+        $this->assertTrue(interface_exists(\Phred\ConsoleContracts\Helpers\MarkdownConverterInterface::class));
+        $this->assertTrue(class_exists(\Phred\ConsoleContracts\Attributes\Cmd::class));
+        $this->assertTrue(class_exists(\Phred\ConsoleContracts\Attributes\Arg::class));
+        $this->assertTrue(class_exists(\Phred\ConsoleContracts\Attributes\Opt::class));
+        $this->assertTrue(trait_exists(\Phred\ConsoleContracts\Attributes\HasAttributes::class));
+    }
+}