diff --git a/src/BlueprintServiceProvider.php b/src/BlueprintServiceProvider.php
index 5e9f81d2..e524cf47 100644
--- a/src/BlueprintServiceProvider.php
+++ b/src/BlueprintServiceProvider.php
@@ -63,6 +63,7 @@ public function register()
 
         $this->app->singleton(Blueprint::class, function ($app) {
             $blueprint = new Blueprint();
+            $blueprint->registerLexer(new \Blueprint\Lexers\ConfigLexer($app));
             $blueprint->registerLexer(new \Blueprint\Lexers\ModelLexer());
             $blueprint->registerLexer(new \Blueprint\Lexers\SeederLexer());
             $blueprint->registerLexer(new \Blueprint\Lexers\ControllerLexer(new \Blueprint\Lexers\StatementLexer()));
diff --git a/src/Lexers/ConfigLexer.php b/src/Lexers/ConfigLexer.php
new file mode 100644
index 00000000..1f49bc57
--- /dev/null
+++ b/src/Lexers/ConfigLexer.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Blueprint\Lexers;
+
+use Blueprint\Contracts\Lexer;
+use Illuminate\Container\Container;
+
+class ConfigLexer implements Lexer
+{
+    private $app;
+
+    public function __construct(Container $app = null)
+    {
+        $this->app = $app ?? Container::getInstance();
+    }
+
+    public function analyze(array $tokens): array
+    {
+        if (array_key_exists('config', $tokens) && is_array($tokens['config'])) {
+            $this->analyzeValue($tokens['config']);
+        }
+
+        return [];
+    }
+
+    private function analyzeValue(array $config): void
+    {
+        $this->app['config']->set(
+            'blueprint',
+            array_merge(
+                $this->app['config']->get('blueprint'),
+                $config
+            )
+        );
+    }
+}
diff --git a/tests/Feature/Lexers/ConfigLexerTest.php b/tests/Feature/Lexers/ConfigLexerTest.php
new file mode 100644
index 00000000..1df029d3
--- /dev/null
+++ b/tests/Feature/Lexers/ConfigLexerTest.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace Tests\Feature\Lexers;
+
+use Blueprint\Blueprint;
+use Blueprint\Generators\ControllerGenerator;
+use Blueprint\Generators\ModelGenerator;
+use Blueprint\Lexers\ConfigLexer;
+use Blueprint\Lexers\ControllerLexer;
+use Blueprint\Lexers\ModelLexer;
+use Blueprint\Lexers\StatementLexer;
+use Tests\TestCase;
+
+/**
+ * @see ConfigLexer
+ */
+class ConfigLexerTest extends TestCase
+{
+    private $blueprint;
+
+    /**
+     * @var ConfigLexer
+     */
+    private $subject;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->subject = new ConfigLexer();
+
+        $this->modelGenerator = new ModelGenerator($this->filesystem);
+        $this->controllerGenerator = new ControllerGenerator($this->filesystem);
+
+        $this->blueprint = new Blueprint();
+        $this->blueprint->registerLexer(new ModelLexer());
+        $this->blueprint->registerLexer(new ConfigLexer());
+        $this->blueprint->registerLexer(new ControllerLexer(new StatementLexer()));
+        $this->blueprint->registerGenerator($this->modelGenerator);
+    }
+
+    /**
+     * @test
+     */
+    public function it_updates_config(): void
+    {
+        $tokens = ['config' => ['key' => 'value']];
+
+        $this->subject->analyze($tokens);
+
+        $this->assertSame($tokens['config']['key'], config('blueprint.key'));
+    }
+
+    /**
+     * @test
+     */
+    public function it_uses_app_path_and_namespace_from_inline_configuration(): void
+    {
+        $this->filesystem->expects('stub')
+            ->with('model.class.stub')
+            ->andReturn($this->stub('model.class.stub'));
+
+        $this->filesystem->expects('stub')
+            ->with('model.fillable.stub')
+            ->andReturn($this->stub('model.fillable.stub'));
+
+        $this->filesystem->expects('stub')
+            ->with('model.casts.stub')
+            ->andReturn($this->stub('model.casts.stub'));
+
+        $this->filesystem->expects('stub')
+            ->with('model.method.stub')
+            ->andReturn($this->stub('model.method.stub'));
+
+        $this->filesystem->expects('exists')
+            ->with('atum/Models')
+            ->andReturnFalse();
+        $this->filesystem->expects('makeDirectory')
+            ->with('atum/Models', 0755, true);
+        $this->filesystem->expects('put')
+            ->with('atum/Models/Comment.php', $this->fixture('models/model-configured.php'));
+
+        $tokens = $this->blueprint->parse($this->fixture('drafts/relationships-configured.yaml'));
+        $tree = $this->blueprint->analyze($tokens);
+
+        $this->assertEquals(['created' => ['atum/Models/Comment.php']], $this->modelGenerator->output($tree));
+    }
+
+    /**
+     * @test
+     */
+    public function it_uses_controller_namespace_config_from_yaml_override()
+    {
+        $this->filesystem->expects('stub')
+            ->with('controller.class.stub')
+            ->andReturn($this->stub('controller.class.stub'));
+        $this->filesystem->expects('stub')
+            ->with('controller.method.stub')
+            ->andReturn($this->stub('controller.method.stub'));
+
+        $this->filesystem->expects('exists')
+            ->with('shift/Other/Http')
+            ->andReturnFalse();
+        $this->filesystem->expects('makeDirectory')
+            ->with('shift/Other/Http', 0755, true);
+        $this->filesystem->expects('put')
+            ->with('shift/Other/Http/UserController.php', $this->fixture('controllers/controller-configured.php'));
+
+        $tokens = $this->blueprint->parse($this->fixture('drafts/controller-configured.yaml'));
+        $tree = $this->blueprint->analyze($tokens);
+
+        $this->assertEquals(['created' => ['shift/Other/Http/UserController.php']], $this->controllerGenerator->output($tree));
+    }
+}
diff --git a/tests/fixtures/drafts/controller-configured.yaml b/tests/fixtures/drafts/controller-configured.yaml
new file mode 100644
index 00000000..f7cf6b87
--- /dev/null
+++ b/tests/fixtures/drafts/controller-configured.yaml
@@ -0,0 +1,16 @@
+controllers:
+  User:
+    index:
+      query: all:users
+      render: user.index with:users
+
+    store:
+      validate: name
+      save: user
+      flash: user.name
+      redirect: post.index
+
+config:
+  app_path: shift
+  namespace: Some\App
+  controllers_namespace: Other\Http
diff --git a/tests/fixtures/drafts/relationships-configured.yaml b/tests/fixtures/drafts/relationships-configured.yaml
new file mode 100644
index 00000000..39d28ba7
--- /dev/null
+++ b/tests/fixtures/drafts/relationships-configured.yaml
@@ -0,0 +1,9 @@
+models:
+  Comment:
+    post_id: id
+    author_id: id:user
+
+config:
+  use_constraints: true
+  app_path: atum
+  namespace: Some\App