diff --git a/packages/shorebird_cli/lib/src/command.dart b/packages/shorebird_cli/lib/src/command.dart
index 0bf02067..b2e683e3 100644
--- a/packages/shorebird_cli/lib/src/command.dart
+++ b/packages/shorebird_cli/lib/src/command.dart
@@ -33,14 +33,14 @@ abstract class ShorebirdCommand extends Command<int> {
     CodePushClientBuilder? buildCodePushClient,
     RunProcess? runProcess,
     StartProcess? startProcess,
-    ShorebirdFlutterValidator? flutterValidator,
+    List<Validator>? validators,
   })  : auth = auth ?? Auth(),
         cache = cache ?? Cache(),
         buildCodePushClient = buildCodePushClient ?? CodePushClient.new,
         runProcess = runProcess ?? ShorebirdProcess.run,
         startProcess = startProcess ?? ShorebirdProcess.start {
-    this.flutterValidator = flutterValidator ??
-        ShorebirdFlutterValidator(runProcess: this.runProcess);
+    this.validators =
+        validators ?? [ShorebirdFlutterValidator(runProcess: this.runProcess)];
   }
 
   final Auth auth;
@@ -49,7 +49,9 @@ abstract class ShorebirdCommand extends Command<int> {
   final Logger logger;
   final RunProcess runProcess;
   final StartProcess startProcess;
-  late final ShorebirdFlutterValidator flutterValidator;
+
+  /// Checks that the Shorebird install and project are in a good state.
+  late List<Validator> validators;
 
   /// [ArgResults] used for testing purposes only.
   @visibleForTesting
diff --git a/packages/shorebird_cli/lib/src/commands/build_command.dart b/packages/shorebird_cli/lib/src/commands/build_command.dart
index f35bd7cd..b0bba2f2 100644
--- a/packages/shorebird_cli/lib/src/commands/build_command.dart
+++ b/packages/shorebird_cli/lib/src/commands/build_command.dart
@@ -19,7 +19,7 @@ class BuildCommand extends ShorebirdCommand
     super.auth,
     super.buildCodePushClient,
     super.runProcess,
-    super.flutterValidator,
+    super.validators,
   });
 
   @override
@@ -37,7 +37,7 @@ class BuildCommand extends ShorebirdCommand
       return ExitCode.noUser.code;
     }
 
-    await logFlutterValidationIssues();
+    await logValidationIssues();
 
     final buildProgress = logger.progress('Building release ');
     try {
diff --git a/packages/shorebird_cli/lib/src/commands/doctor_command.dart b/packages/shorebird_cli/lib/src/commands/doctor_command.dart
index 954e2f7c..6a7b997f 100644
--- a/packages/shorebird_cli/lib/src/commands/doctor_command.dart
+++ b/packages/shorebird_cli/lib/src/commands/doctor_command.dart
@@ -1,3 +1,4 @@
+import 'package:collection/collection.dart';
 import 'package:mason_logger/mason_logger.dart';
 import 'package:shorebird_cli/src/command.dart';
 import 'package:shorebird_cli/src/shorebird_version_mixin.dart';
@@ -14,20 +15,19 @@ class DoctorCommand extends ShorebirdCommand with ShorebirdVersionMixin {
   /// {@macro doctor_command}
   DoctorCommand({
     required super.logger,
-    List<Validator>? validators,
+    super.validators,
     super.runProcess,
   }) {
-    this.validators = validators ??
-        <Validator>[
-          ShorebirdVersionValidator(
-            isShorebirdVersionCurrent: isShorebirdVersionCurrent,
-          ),
-          ShorebirdFlutterValidator(runProcess: runProcess),
-          AndroidInternetPermissionValidator(),
-        ];
+    validators = _allValidators(baseValidators: validators);
   }
 
-  late final List<Validator> validators;
+  late final List<Validator> _doctorValidators = [
+    ShorebirdVersionValidator(
+      isShorebirdVersionCurrent: isShorebirdVersionCurrent,
+    ),
+    ShorebirdFlutterValidator(runProcess: runProcess),
+    AndroidInternetPermissionValidator(),
+  ];
 
   @override
   String get name => 'doctor';
@@ -68,4 +68,20 @@ Shorebird v$packageVersion
 
     return ExitCode.success.code;
   }
+
+  /// Creates a list that is the union of [baseValidators] and
+  /// [_doctorValidators].
+  List<Validator> _allValidators({
+    required List<Validator> baseValidators,
+  }) {
+    final missingValidators = _doctorValidators
+        .where(
+          (doctorValidator) => baseValidators.none(
+            (baseValidator) => baseValidator.id == doctorValidator.id,
+          ),
+        )
+        .toList();
+
+    return baseValidators + missingValidators;
+  }
 }
diff --git a/packages/shorebird_cli/lib/src/commands/patch_command.dart b/packages/shorebird_cli/lib/src/commands/patch_command.dart
index c8502a18..9ec31d20 100644
--- a/packages/shorebird_cli/lib/src/commands/patch_command.dart
+++ b/packages/shorebird_cli/lib/src/commands/patch_command.dart
@@ -29,7 +29,7 @@ class PatchCommand extends ShorebirdCommand
     super.buildCodePushClient,
     super.cache,
     super.runProcess,
-    super.flutterValidator,
+    super.validators,
     HashFunction? hashFn,
     http.Client? httpClient,
   })  : _hashFn = hashFn ?? ((m) => sha256.convert(m).toString()),
@@ -108,7 +108,7 @@ class PatchCommand extends ShorebirdCommand
       return ExitCode.usage.code;
     }
 
-    await logFlutterValidationIssues();
+    await logValidationIssues();
 
     await cache.updateAll();
 
diff --git a/packages/shorebird_cli/lib/src/commands/release_command.dart b/packages/shorebird_cli/lib/src/commands/release_command.dart
index e04edfab..302a43da 100644
--- a/packages/shorebird_cli/lib/src/commands/release_command.dart
+++ b/packages/shorebird_cli/lib/src/commands/release_command.dart
@@ -27,7 +27,7 @@ class ReleaseCommand extends ShorebirdCommand
     super.auth,
     super.buildCodePushClient,
     super.runProcess,
-    super.flutterValidator,
+    super.validators,
     HashFunction? hashFn,
   }) : _hashFn = hashFn ?? ((m) => sha256.convert(m).toString()) {
     argParser
@@ -70,7 +70,7 @@ make smaller updates to your app.
       return ExitCode.noUser.code;
     }
 
-    await logFlutterValidationIssues();
+    await logValidationIssues();
 
     final buildProgress = logger.progress('Building release');
     try {
diff --git a/packages/shorebird_cli/lib/src/commands/run_command.dart b/packages/shorebird_cli/lib/src/commands/run_command.dart
index 0040b341..69ba20ea 100644
--- a/packages/shorebird_cli/lib/src/commands/run_command.dart
+++ b/packages/shorebird_cli/lib/src/commands/run_command.dart
@@ -17,7 +17,7 @@ class RunCommand extends ShorebirdCommand
     super.auth,
     super.buildCodePushClient,
     super.startProcess,
-    super.flutterValidator,
+    super.validators,
   });
 
   @override
@@ -35,7 +35,7 @@ class RunCommand extends ShorebirdCommand
       return ExitCode.noUser.code;
     }
 
-    await logFlutterValidationIssues();
+    await logValidationIssues();
 
     logger.info('Running app...');
     final process = await startProcess(
diff --git a/packages/shorebird_cli/lib/src/flutter_validation_mixin.dart b/packages/shorebird_cli/lib/src/flutter_validation_mixin.dart
index 6084bde1..4a83cb0e 100644
--- a/packages/shorebird_cli/lib/src/flutter_validation_mixin.dart
+++ b/packages/shorebird_cli/lib/src/flutter_validation_mixin.dart
@@ -1,13 +1,17 @@
+import 'package:collection/collection.dart';
 import 'package:shorebird_cli/src/command.dart';
 import 'package:shorebird_cli/src/validators/shorebird_flutter_validator.dart';
 
 mixin FlutterValidationMixin on ShorebirdCommand {
   /// Runs [ShorebirdFlutterValidator.validate] and writes validation issues to
   /// stdout.
-  Future<void> logFlutterValidationIssues() async {
-    final flutterValidationIssues = await flutterValidator.validate();
-    if (flutterValidationIssues.isNotEmpty) {
-      for (final issue in flutterValidationIssues) {
+  Future<void> logValidationIssues() async {
+    final validationIssues = (await Future.wait(
+      validators.map((v) => v.validate()),
+    ))
+        .flattened;
+    if (validationIssues.isNotEmpty) {
+      for (final issue in validationIssues) {
         logger.info(issue.displayMessage);
       }
     }
diff --git a/packages/shorebird_cli/lib/src/validators/shorebird_flutter_validator.dart b/packages/shorebird_cli/lib/src/validators/shorebird_flutter_validator.dart
index 0c07fe72..f3293d26 100644
--- a/packages/shorebird_cli/lib/src/validators/shorebird_flutter_validator.dart
+++ b/packages/shorebird_cli/lib/src/validators/shorebird_flutter_validator.dart
@@ -57,7 +57,7 @@ class ShorebirdFlutterValidator extends Validator {
       final message = """
 Shorebird Flutter and the Flutter on your path are different versions.
 \tShorebird Flutter: $shorebirdFlutterVersion
-\tSystem Flutter:    $pathFlutterVersion'''
+\tSystem Flutter:    $pathFlutterVersion
 This can cause unexpected behavior if the version gap is wide. If you're seeing this unexpectedly, please let us know on Shorebird discord!""";
 
       issues.add(
diff --git a/packages/shorebird_cli/lib/src/validators/shorebird_version_validator.dart b/packages/shorebird_cli/lib/src/validators/shorebird_version_validator.dart
index 636d402a..5cbb7527 100644
--- a/packages/shorebird_cli/lib/src/validators/shorebird_version_validator.dart
+++ b/packages/shorebird_cli/lib/src/validators/shorebird_version_validator.dart
@@ -27,9 +27,7 @@ class ShorebirdVersionValidator extends Validator {
         const ValidationIssue(
           severity: ValidationIssueSeverity.warning,
           message: '''
-A new version of shorebird is available!
-Run `shorebird upgrade` to upgrade.
-''',
+A new version of shorebird is available! Run `shorebird upgrade` to upgrade.''',
         )
       ];
     }
diff --git a/packages/shorebird_cli/lib/src/validators/validators.dart b/packages/shorebird_cli/lib/src/validators/validators.dart
index 238b0110..4bd153f9 100644
--- a/packages/shorebird_cli/lib/src/validators/validators.dart
+++ b/packages/shorebird_cli/lib/src/validators/validators.dart
@@ -65,6 +65,9 @@ class ValidationIssue {
 /// Checks for a specific issue with either the Shorebird installation or the
 /// current Shorebird project.
 abstract class Validator {
+  /// A unique identifer for this class.
+  String get id => '$runtimeType';
+
   /// A one-sentence explanation of what this validator is checking.
   String get description;
 
diff --git a/packages/shorebird_cli/test/src/commands/build_command_test.dart b/packages/shorebird_cli/test/src/commands/build_command_test.dart
index 75d75a1b..acf2e4f4 100644
--- a/packages/shorebird_cli/test/src/commands/build_command_test.dart
+++ b/packages/shorebird_cli/test/src/commands/build_command_test.dart
@@ -68,7 +68,7 @@ void main() {
         }) async {
           return processResult;
         },
-        flutterValidator: flutterValidator,
+        validators: [flutterValidator],
       )..testArgResults = argResults;
       testApplicationConfigHome = (_) => applicationConfigHome.path;
 
diff --git a/packages/shorebird_cli/test/src/commands/doctor_command_test.dart b/packages/shorebird_cli/test/src/commands/doctor_command_test.dart
index 4f677a7c..a736687f 100644
--- a/packages/shorebird_cli/test/src/commands/doctor_command_test.dart
+++ b/packages/shorebird_cli/test/src/commands/doctor_command_test.dart
@@ -10,6 +10,9 @@ class _MockShorebirdVersionValidator extends Mock
 class _MockAndroidInternetPermissionValidator extends Mock
     implements AndroidInternetPermissionValidator {}
 
+class _MockShorebirdFlutterValidator extends Mock
+    implements ShorebirdFlutterValidator {}
+
 class _MockLogger extends Mock implements Logger {}
 
 class _MockProgress extends Mock implements Progress {}
@@ -21,36 +24,49 @@ void main() {
     late DoctorCommand command;
     late AndroidInternetPermissionValidator androidInternetPermissionValidator;
     late ShorebirdVersionValidator shorebirdVersionValidator;
+    late ShorebirdFlutterValidator shorebirdFlutterValidator;
 
     setUp(() {
       logger = _MockLogger();
       progress = _MockProgress();
 
+      when(() => logger.progress(any())).thenReturn(progress);
+      when(() => logger.info(any())).thenReturn(null);
+
       androidInternetPermissionValidator =
           _MockAndroidInternetPermissionValidator();
       shorebirdVersionValidator = _MockShorebirdVersionValidator();
+      shorebirdFlutterValidator = _MockShorebirdFlutterValidator();
+
+      when(() => androidInternetPermissionValidator.id)
+          .thenReturn('$AndroidInternetPermissionValidator');
+      when(() => androidInternetPermissionValidator.description)
+          .thenReturn('Android');
+      when(() => androidInternetPermissionValidator.validate())
+          .thenAnswer((_) async => []);
+
+      when(() => shorebirdVersionValidator.id)
+          .thenReturn('$ShorebirdVersionValidator');
+      when(() => shorebirdVersionValidator.description)
+          .thenReturn('Shorebird Version');
+      when(() => shorebirdVersionValidator.validate())
+          .thenAnswer((_) async => []);
+
+      when(() => shorebirdFlutterValidator.id)
+          .thenReturn('$ShorebirdFlutterValidator');
+      when(() => shorebirdFlutterValidator.description)
+          .thenReturn('Shorebird Flutter');
+      when(() => shorebirdFlutterValidator.validate())
+          .thenAnswer((_) async => []);
 
       command = DoctorCommand(
         logger: logger,
         validators: [
           androidInternetPermissionValidator,
           shorebirdVersionValidator,
+          shorebirdFlutterValidator,
         ],
       );
-
-      when(() => logger.progress(any())).thenReturn(progress);
-
-      when(() => logger.info(any())).thenReturn(null);
-
-      when(() => androidInternetPermissionValidator.description)
-          .thenReturn('Android');
-      when(() => androidInternetPermissionValidator.validate())
-          .thenAnswer((_) async => []);
-
-      when(() => shorebirdVersionValidator.description)
-          .thenReturn('Shorebird Version');
-      when(() => shorebirdVersionValidator.validate())
-          .thenAnswer((_) async => []);
     });
 
     test('prints "no issues" when everything is OK', () async {
diff --git a/packages/shorebird_cli/test/src/commands/patch_command_test.dart b/packages/shorebird_cli/test/src/commands/patch_command_test.dart
index a0f29802..b0b21876 100644
--- a/packages/shorebird_cli/test/src/commands/patch_command_test.dart
+++ b/packages/shorebird_cli/test/src/commands/patch_command_test.dart
@@ -144,7 +144,7 @@ flutter:
         },
         logger: logger,
         httpClient: httpClient,
-        flutterValidator: flutterValidator,
+        validators: [flutterValidator],
       )..testArgResults = argResults;
       testApplicationConfigHome = (_) => applicationConfigHome.path;
 
diff --git a/packages/shorebird_cli/test/src/commands/release_command_test.dart b/packages/shorebird_cli/test/src/commands/release_command_test.dart
index 4820e832..8962313f 100644
--- a/packages/shorebird_cli/test/src/commands/release_command_test.dart
+++ b/packages/shorebird_cli/test/src/commands/release_command_test.dart
@@ -135,7 +135,7 @@ flutter:
           return processResult;
         },
         logger: logger,
-        flutterValidator: flutterValidator,
+        validators: [flutterValidator],
       )..testArgResults = argResults;
       testApplicationConfigHome = (_) => applicationConfigHome.path;
 
diff --git a/packages/shorebird_cli/test/src/commands/run_command_test.dart b/packages/shorebird_cli/test/src/commands/run_command_test.dart
index 4ff24303..49eb8f83 100644
--- a/packages/shorebird_cli/test/src/commands/run_command_test.dart
+++ b/packages/shorebird_cli/test/src/commands/run_command_test.dart
@@ -63,7 +63,7 @@ void main() {
         startProcess: (executable, arguments, {bool runInShell = false}) async {
           return process;
         },
-        flutterValidator: flutterValidator,
+        validators: [flutterValidator],
       )..testArgResults = argResults;
 
       testApplicationConfigHome = (_) => applicationConfigHome.path;