diff --git a/lib/api.dart b/lib/api.dart
index 436357bf..0be04b53 100644
--- a/lib/api.dart
+++ b/lib/api.dart
@@ -27,6 +27,7 @@ export 'package:mineral/src/api/common/commands/command_helper.dart';
 export 'package:mineral/src/api/common/commands/command_option.dart';
 export 'package:mineral/src/api/common/commands/command_option_type.dart';
 export 'package:mineral/src/api/common/commands/command_type.dart';
+export 'package:mineral/src/api/common/commands/sub_command_declaration.dart';
 export 'package:mineral/src/api/common/components/action_row.dart';
 export 'package:mineral/src/api/common/components/attached_file.dart';
 // Commons
diff --git a/lib/src/api/common/commands/builder/command_declaration_builder.dart b/lib/src/api/common/commands/builder/command_declaration_builder.dart
index 3dd739b4..b34e463e 100644
--- a/lib/src/api/common/commands/builder/command_declaration_builder.dart
+++ b/lib/src/api/common/commands/builder/command_declaration_builder.dart
@@ -5,6 +5,7 @@ import 'package:mineral/src/api/common/commands/command_context_type.dart';
 import 'package:mineral/src/api/common/commands/command_helper.dart';
 import 'package:mineral/src/api/common/commands/command_option.dart';
 import 'package:mineral/src/api/common/commands/command_type.dart';
+import 'package:mineral/src/api/common/commands/sub_command_declaration.dart';
 import 'package:mineral/src/domains/commands/command_builder.dart';
 import 'package:mineral/src/infrastructure/io/exceptions/missing_method_exception.dart';
 import 'package:mineral/src/infrastructure/io/exceptions/missing_property_exception.dart';
@@ -71,6 +72,18 @@ final class CommandDeclarationBuilder implements CommandBuilder {
     return this;
   }
 
+  CommandDeclarationBuilder registerSubCommand(Function subCommandFactory) {
+    final instance = subCommandFactory();
+    
+    if (instance is! SubCommandDeclaration) {
+      throw Exception('Factory must return a SubCommandDeclaration instance');
+    }
+    
+    final builder = instance.build();
+    subCommands.add(builder);
+    return this;
+  }
+
   CommandDeclarationBuilder createGroup(Function(CommandGroupBuilder) group) {
     final builder = CommandGroupBuilder();
     group(builder);
diff --git a/lib/src/api/common/commands/sub_command_declaration.dart b/lib/src/api/common/commands/sub_command_declaration.dart
new file mode 100644
index 00000000..8d3f1e7a
--- /dev/null
+++ b/lib/src/api/common/commands/sub_command_declaration.dart
@@ -0,0 +1,6 @@
+import 'package:mineral/src/api/common/commands/builder/sub_command_builder.dart';
+import 'package:mineral/src/domains/common/utils/listenable.dart';
+
+abstract interface class SubCommandDeclaration implements Listenable {
+  SubCommandBuilder build();
+}