feat: n8n endpoints federation surface (v0.13.0)

Sister of the MCP-client surface — four new HubAdmin RPCs
(`ListN8nEndpoints`, `RefreshN8nEndpoints`, `AddN8nEndpoint`,
`RemoveN8nEndpoint`) plus the matching typedefs so callers
read configuration off `N8nEndpointStatus` without importing
generated/.

Signed-off-by: flemming-it <stefan.a.flemming@googlemail.com>

lib/src/generated/fai/v1/hub.pb.dart

@@ -4847,6 +4847,263 @@ class RemoveMcpClientRequest extends $pb.GeneratedMessage {
   void clearName() => $_clearField(1);
 }
 
+class N8nEndpointConfigEntry extends $pb.GeneratedMessage {
+  factory N8nEndpointConfigEntry({
+    $core.String? name,
+    $core.String? baseUrl,
+    $core.String? apiKeyEnv,
+    $core.String? description,
+  }) {
+    final $result = create();
+    if (name != null) {
+      $result.name = name;
+    }
+    if (baseUrl != null) {
+      $result.baseUrl = baseUrl;
+    }
+    if (apiKeyEnv != null) {
+      $result.apiKeyEnv = apiKeyEnv;
+    }
+    if (description != null) {
+      $result.description = description;
+    }
+    return $result;
+  }
+  N8nEndpointConfigEntry._() : super();
+  factory N8nEndpointConfigEntry.fromBuffer($core.List<$core.int> i, [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) => create()..mergeFromBuffer(i, r);
+  factory N8nEndpointConfigEntry.fromJson($core.String i, [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) => create()..mergeFromJson(i, r);
+
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(_omitMessageNames ? '' : 'N8nEndpointConfigEntry', package: const $pb.PackageName(_omitMessageNames ? '' : 'fai.v1'), createEmptyInstance: create)
+    ..aOS(1, _omitFieldNames ? '' : 'name')
+    ..aOS(2, _omitFieldNames ? '' : 'baseUrl')
+    ..aOS(3, _omitFieldNames ? '' : 'apiKeyEnv')
+    ..aOS(4, _omitFieldNames ? '' : 'description')
+    ..hasRequiredFields = false
+  ;
+
+  @$core.Deprecated('See https://github.com/google/protobuf.dart/issues/998.')
+  N8nEndpointConfigEntry clone() => N8nEndpointConfigEntry()..mergeFromMessage(this);
+  @$core.Deprecated('See https://github.com/google/protobuf.dart/issues/998.')
+  N8nEndpointConfigEntry copyWith(void Function(N8nEndpointConfigEntry) updates) => super.copyWith((message) => updates(message as N8nEndpointConfigEntry)) as N8nEndpointConfigEntry;
+
+  $pb.BuilderInfo get info_ => _i;
+
+  @$core.pragma('dart2js:noInline')
+  static N8nEndpointConfigEntry create() => N8nEndpointConfigEntry._();
+  N8nEndpointConfigEntry createEmptyInstance() => create();
+  static $pb.PbList<N8nEndpointConfigEntry> createRepeated() => $pb.PbList<N8nEndpointConfigEntry>();
+  @$core.pragma('dart2js:noInline')
+  static N8nEndpointConfigEntry getDefault() => _defaultInstance ??= $pb.GeneratedMessage.$_defaultFor<N8nEndpointConfigEntry>(create);
+  static N8nEndpointConfigEntry? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  $core.String get name => $_getSZ(0);
+  @$pb.TagNumber(1)
+  set name($core.String v) { $_setString(0, v); }
+  @$pb.TagNumber(1)
+  $core.bool hasName() => $_has(0);
+  @$pb.TagNumber(1)
+  void clearName() => $_clearField(1);
+
+  /// Base URL without the /api/v1 suffix.
+  @$pb.TagNumber(2)
+  $core.String get baseUrl => $_getSZ(1);
+  @$pb.TagNumber(2)
+  set baseUrl($core.String v) { $_setString(1, v); }
+  @$pb.TagNumber(2)
+  $core.bool hasBaseUrl() => $_has(1);
+  @$pb.TagNumber(2)
+  void clearBaseUrl() => $_clearField(2);
+
+  @$pb.TagNumber(3)
+  $core.String get apiKeyEnv => $_getSZ(2);
+  @$pb.TagNumber(3)
+  set apiKeyEnv($core.String v) { $_setString(2, v); }
+  @$pb.TagNumber(3)
+  $core.bool hasApiKeyEnv() => $_has(2);
+  @$pb.TagNumber(3)
+  void clearApiKeyEnv() => $_clearField(3);
+
+  @$pb.TagNumber(4)
+  $core.String get description => $_getSZ(3);
+  @$pb.TagNumber(4)
+  set description($core.String v) { $_setString(3, v); }
+  @$pb.TagNumber(4)
+  $core.bool hasDescription() => $_has(3);
+  @$pb.TagNumber(4)
+  void clearDescription() => $_clearField(4);
+}
+
+class ListN8nEndpointsResponse extends $pb.GeneratedMessage {
+  factory ListN8nEndpointsResponse({
+    $core.Iterable<N8nEndpointStatus>? endpoints,
+  }) {
+    final $result = create();
+    if (endpoints != null) {
+      $result.endpoints.addAll(endpoints);
+    }
+    return $result;
+  }
+  ListN8nEndpointsResponse._() : super();
+  factory ListN8nEndpointsResponse.fromBuffer($core.List<$core.int> i, [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) => create()..mergeFromBuffer(i, r);
+  factory ListN8nEndpointsResponse.fromJson($core.String i, [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) => create()..mergeFromJson(i, r);
+
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(_omitMessageNames ? '' : 'ListN8nEndpointsResponse', package: const $pb.PackageName(_omitMessageNames ? '' : 'fai.v1'), createEmptyInstance: create)
+    ..pc<N8nEndpointStatus>(1, _omitFieldNames ? '' : 'endpoints', $pb.PbFieldType.PM, subBuilder: N8nEndpointStatus.create)
+    ..hasRequiredFields = false
+  ;
+
+  @$core.Deprecated('See https://github.com/google/protobuf.dart/issues/998.')
+  ListN8nEndpointsResponse clone() => ListN8nEndpointsResponse()..mergeFromMessage(this);
+  @$core.Deprecated('See https://github.com/google/protobuf.dart/issues/998.')
+  ListN8nEndpointsResponse copyWith(void Function(ListN8nEndpointsResponse) updates) => super.copyWith((message) => updates(message as ListN8nEndpointsResponse)) as ListN8nEndpointsResponse;
+
+  $pb.BuilderInfo get info_ => _i;
+
+  @$core.pragma('dart2js:noInline')
+  static ListN8nEndpointsResponse create() => ListN8nEndpointsResponse._();
+  ListN8nEndpointsResponse createEmptyInstance() => create();
+  static $pb.PbList<ListN8nEndpointsResponse> createRepeated() => $pb.PbList<ListN8nEndpointsResponse>();
+  @$core.pragma('dart2js:noInline')
+  static ListN8nEndpointsResponse getDefault() => _defaultInstance ??= $pb.GeneratedMessage.$_defaultFor<ListN8nEndpointsResponse>(create);
+  static ListN8nEndpointsResponse? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  $pb.PbList<N8nEndpointStatus> get endpoints => $_getList(0);
+}
+
+class N8nEndpointStatus extends $pb.GeneratedMessage {
+  factory N8nEndpointStatus({
+    N8nEndpointConfigEntry? config,
+    $core.int? workflowCount,
+    $core.String? errorKind,
+    $core.String? message,
+  }) {
+    final $result = create();
+    if (config != null) {
+      $result.config = config;
+    }
+    if (workflowCount != null) {
+      $result.workflowCount = workflowCount;
+    }
+    if (errorKind != null) {
+      $result.errorKind = errorKind;
+    }
+    if (message != null) {
+      $result.message = message;
+    }
+    return $result;
+  }
+  N8nEndpointStatus._() : super();
+  factory N8nEndpointStatus.fromBuffer($core.List<$core.int> i, [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) => create()..mergeFromBuffer(i, r);
+  factory N8nEndpointStatus.fromJson($core.String i, [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) => create()..mergeFromJson(i, r);
+
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(_omitMessageNames ? '' : 'N8nEndpointStatus', package: const $pb.PackageName(_omitMessageNames ? '' : 'fai.v1'), createEmptyInstance: create)
+    ..aOM<N8nEndpointConfigEntry>(1, _omitFieldNames ? '' : 'config', subBuilder: N8nEndpointConfigEntry.create)
+    ..a<$core.int>(2, _omitFieldNames ? '' : 'workflowCount', $pb.PbFieldType.OU3)
+    ..aOS(3, _omitFieldNames ? '' : 'errorKind')
+    ..aOS(4, _omitFieldNames ? '' : 'message')
+    ..hasRequiredFields = false
+  ;
+
+  @$core.Deprecated('See https://github.com/google/protobuf.dart/issues/998.')
+  N8nEndpointStatus clone() => N8nEndpointStatus()..mergeFromMessage(this);
+  @$core.Deprecated('See https://github.com/google/protobuf.dart/issues/998.')
+  N8nEndpointStatus copyWith(void Function(N8nEndpointStatus) updates) => super.copyWith((message) => updates(message as N8nEndpointStatus)) as N8nEndpointStatus;
+
+  $pb.BuilderInfo get info_ => _i;
+
+  @$core.pragma('dart2js:noInline')
+  static N8nEndpointStatus create() => N8nEndpointStatus._();
+  N8nEndpointStatus createEmptyInstance() => create();
+  static $pb.PbList<N8nEndpointStatus> createRepeated() => $pb.PbList<N8nEndpointStatus>();
+  @$core.pragma('dart2js:noInline')
+  static N8nEndpointStatus getDefault() => _defaultInstance ??= $pb.GeneratedMessage.$_defaultFor<N8nEndpointStatus>(create);
+  static N8nEndpointStatus? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  N8nEndpointConfigEntry get config => $_getN(0);
+  @$pb.TagNumber(1)
+  set config(N8nEndpointConfigEntry v) { $_setField(1, v); }
+  @$pb.TagNumber(1)
+  $core.bool hasConfig() => $_has(0);
+  @$pb.TagNumber(1)
+  void clearConfig() => $_clearField(1);
+  @$pb.TagNumber(1)
+  N8nEndpointConfigEntry ensureConfig() => $_ensure(0);
+
+  @$pb.TagNumber(2)
+  $core.int get workflowCount => $_getIZ(1);
+  @$pb.TagNumber(2)
+  set workflowCount($core.int v) { $_setUnsignedInt32(1, v); }
+  @$pb.TagNumber(2)
+  $core.bool hasWorkflowCount() => $_has(1);
+  @$pb.TagNumber(2)
+  void clearWorkflowCount() => $_clearField(2);
+
+  @$pb.TagNumber(3)
+  $core.String get errorKind => $_getSZ(2);
+  @$pb.TagNumber(3)
+  set errorKind($core.String v) { $_setString(2, v); }
+  @$pb.TagNumber(3)
+  $core.bool hasErrorKind() => $_has(2);
+  @$pb.TagNumber(3)
+  void clearErrorKind() => $_clearField(3);
+
+  @$pb.TagNumber(4)
+  $core.String get message => $_getSZ(3);
+  @$pb.TagNumber(4)
+  set message($core.String v) { $_setString(3, v); }
+  @$pb.TagNumber(4)
+  $core.bool hasMessage() => $_has(3);
+  @$pb.TagNumber(4)
+  void clearMessage() => $_clearField(4);
+}
+
+class RemoveN8nEndpointRequest extends $pb.GeneratedMessage {
+  factory RemoveN8nEndpointRequest({
+    $core.String? name,
+  }) {
+    final $result = create();
+    if (name != null) {
+      $result.name = name;
+    }
+    return $result;
+  }
+  RemoveN8nEndpointRequest._() : super();
+  factory RemoveN8nEndpointRequest.fromBuffer($core.List<$core.int> i, [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) => create()..mergeFromBuffer(i, r);
+  factory RemoveN8nEndpointRequest.fromJson($core.String i, [$pb.ExtensionRegistry r = $pb.ExtensionRegistry.EMPTY]) => create()..mergeFromJson(i, r);
+
+  static final $pb.BuilderInfo _i = $pb.BuilderInfo(_omitMessageNames ? '' : 'RemoveN8nEndpointRequest', package: const $pb.PackageName(_omitMessageNames ? '' : 'fai.v1'), createEmptyInstance: create)
+    ..aOS(1, _omitFieldNames ? '' : 'name')
+    ..hasRequiredFields = false
+  ;
+
+  @$core.Deprecated('See https://github.com/google/protobuf.dart/issues/998.')
+  RemoveN8nEndpointRequest clone() => RemoveN8nEndpointRequest()..mergeFromMessage(this);
+  @$core.Deprecated('See https://github.com/google/protobuf.dart/issues/998.')
+  RemoveN8nEndpointRequest copyWith(void Function(RemoveN8nEndpointRequest) updates) => super.copyWith((message) => updates(message as RemoveN8nEndpointRequest)) as RemoveN8nEndpointRequest;
+
+  $pb.BuilderInfo get info_ => _i;
+
+  @$core.pragma('dart2js:noInline')
+  static RemoveN8nEndpointRequest create() => RemoveN8nEndpointRequest._();
+  RemoveN8nEndpointRequest createEmptyInstance() => create();
+  static $pb.PbList<RemoveN8nEndpointRequest> createRepeated() => $pb.PbList<RemoveN8nEndpointRequest>();
+  @$core.pragma('dart2js:noInline')
+  static RemoveN8nEndpointRequest getDefault() => _defaultInstance ??= $pb.GeneratedMessage.$_defaultFor<RemoveN8nEndpointRequest>(create);
+  static RemoveN8nEndpointRequest? _defaultInstance;
+
+  @$pb.TagNumber(1)
+  $core.String get name => $_getSZ(0);
+  @$pb.TagNumber(1)
+  set name($core.String v) { $_setString(0, v); }
+  @$pb.TagNumber(1)
+  $core.bool hasName() => $_has(0);
+  @$pb.TagNumber(1)
+  void clearName() => $_clearField(1);
+}
+
 
 const _omitFieldNames = $core.bool.fromEnvironment('protobuf.omit_field_names');
 const _omitMessageNames = $core.bool.fromEnvironment('protobuf.omit_message_names');

lib/src/generated/fai/v1/hub.pbgrpc.dart

@@ -219,6 +219,22 @@ class HubAdminClient extends $grpc.Client {
       '/fai.v1.HubAdmin/RemoveMcpClient',
       ($0.RemoveMcpClientRequest value) => value.writeToBuffer(),
       ($core.List<$core.int> value) => $0.ListMcpClientsResponse.fromBuffer(value));
+  static final _$listN8nEndpoints = $grpc.ClientMethod<$1.Empty, $0.ListN8nEndpointsResponse>(
+      '/fai.v1.HubAdmin/ListN8nEndpoints',
+      ($1.Empty value) => value.writeToBuffer(),
+      ($core.List<$core.int> value) => $0.ListN8nEndpointsResponse.fromBuffer(value));
+  static final _$refreshN8nEndpoints = $grpc.ClientMethod<$1.Empty, $0.ListN8nEndpointsResponse>(
+      '/fai.v1.HubAdmin/RefreshN8nEndpoints',
+      ($1.Empty value) => value.writeToBuffer(),
+      ($core.List<$core.int> value) => $0.ListN8nEndpointsResponse.fromBuffer(value));
+  static final _$addN8nEndpoint = $grpc.ClientMethod<$0.N8nEndpointConfigEntry, $0.ListN8nEndpointsResponse>(
+      '/fai.v1.HubAdmin/AddN8nEndpoint',
+      ($0.N8nEndpointConfigEntry value) => value.writeToBuffer(),
+      ($core.List<$core.int> value) => $0.ListN8nEndpointsResponse.fromBuffer(value));
+  static final _$removeN8nEndpoint = $grpc.ClientMethod<$0.RemoveN8nEndpointRequest, $0.ListN8nEndpointsResponse>(
+      '/fai.v1.HubAdmin/RemoveN8nEndpoint',
+      ($0.RemoveN8nEndpointRequest value) => value.writeToBuffer(),
+      ($core.List<$core.int> value) => $0.ListN8nEndpointsResponse.fromBuffer(value));
   static final _$systemAiStatus = $grpc.ClientMethod<$1.Empty, $0.SystemAiStatusResponse>(
       '/fai.v1.HubAdmin/SystemAiStatus',
       ($1.Empty value) => value.writeToBuffer(),
@@ -419,6 +435,24 @@ class HubAdminClient extends $grpc.Client {
     return $createUnaryCall(_$removeMcpClient, request, options: options);
   }
 
+  /// n8n bridges. Same shape as the MCP client RPCs above —
+  /// every active workflow surfaces as `n8n.<name>.<slug>`.
+  $grpc.ResponseFuture<$0.ListN8nEndpointsResponse> listN8nEndpoints($1.Empty request, {$grpc.CallOptions? options}) {
+    return $createUnaryCall(_$listN8nEndpoints, request, options: options);
+  }
+
+  $grpc.ResponseFuture<$0.ListN8nEndpointsResponse> refreshN8nEndpoints($1.Empty request, {$grpc.CallOptions? options}) {
+    return $createUnaryCall(_$refreshN8nEndpoints, request, options: options);
+  }
+
+  $grpc.ResponseFuture<$0.ListN8nEndpointsResponse> addN8nEndpoint($0.N8nEndpointConfigEntry request, {$grpc.CallOptions? options}) {
+    return $createUnaryCall(_$addN8nEndpoint, request, options: options);
+  }
+
+  $grpc.ResponseFuture<$0.ListN8nEndpointsResponse> removeN8nEndpoint($0.RemoveN8nEndpointRequest request, {$grpc.CallOptions? options}) {
+    return $createUnaryCall(_$removeN8nEndpoint, request, options: options);
+  }
+
   /// Read-only system-AI status. Lets Studio render the
   /// "configure in Settings" affordance when the feature is
   /// off, and the privacy-mode badge when it is on.
@@ -671,6 +705,34 @@ abstract class HubAdminServiceBase extends $grpc.Service {
         false,
         ($core.List<$core.int> value) => $0.RemoveMcpClientRequest.fromBuffer(value),
         ($0.ListMcpClientsResponse value) => value.writeToBuffer()));
+    $addMethod($grpc.ServiceMethod<$1.Empty, $0.ListN8nEndpointsResponse>(
+        'ListN8nEndpoints',
+        listN8nEndpoints_Pre,
+        false,
+        false,
+        ($core.List<$core.int> value) => $1.Empty.fromBuffer(value),
+        ($0.ListN8nEndpointsResponse value) => value.writeToBuffer()));
+    $addMethod($grpc.ServiceMethod<$1.Empty, $0.ListN8nEndpointsResponse>(
+        'RefreshN8nEndpoints',
+        refreshN8nEndpoints_Pre,
+        false,
+        false,
+        ($core.List<$core.int> value) => $1.Empty.fromBuffer(value),
+        ($0.ListN8nEndpointsResponse value) => value.writeToBuffer()));
+    $addMethod($grpc.ServiceMethod<$0.N8nEndpointConfigEntry, $0.ListN8nEndpointsResponse>(
+        'AddN8nEndpoint',
+        addN8nEndpoint_Pre,
+        false,
+        false,
+        ($core.List<$core.int> value) => $0.N8nEndpointConfigEntry.fromBuffer(value),
+        ($0.ListN8nEndpointsResponse value) => value.writeToBuffer()));
+    $addMethod($grpc.ServiceMethod<$0.RemoveN8nEndpointRequest, $0.ListN8nEndpointsResponse>(
+        'RemoveN8nEndpoint',
+        removeN8nEndpoint_Pre,
+        false,
+        false,
+        ($core.List<$core.int> value) => $0.RemoveN8nEndpointRequest.fromBuffer(value),
+        ($0.ListN8nEndpointsResponse value) => value.writeToBuffer()));
     $addMethod($grpc.ServiceMethod<$1.Empty, $0.SystemAiStatusResponse>(
         'SystemAiStatus',
         systemAiStatus_Pre,
@@ -839,6 +901,22 @@ abstract class HubAdminServiceBase extends $grpc.Service {
     return removeMcpClient($call, await $request);
   }
 
+  $async.Future<$0.ListN8nEndpointsResponse> listN8nEndpoints_Pre($grpc.ServiceCall $call, $async.Future<$1.Empty> $request) async {
+    return listN8nEndpoints($call, await $request);
+  }
+
+  $async.Future<$0.ListN8nEndpointsResponse> refreshN8nEndpoints_Pre($grpc.ServiceCall $call, $async.Future<$1.Empty> $request) async {
+    return refreshN8nEndpoints($call, await $request);
+  }
+
+  $async.Future<$0.ListN8nEndpointsResponse> addN8nEndpoint_Pre($grpc.ServiceCall $call, $async.Future<$0.N8nEndpointConfigEntry> $request) async {
+    return addN8nEndpoint($call, await $request);
+  }
+
+  $async.Future<$0.ListN8nEndpointsResponse> removeN8nEndpoint_Pre($grpc.ServiceCall $call, $async.Future<$0.RemoveN8nEndpointRequest> $request) async {
+    return removeN8nEndpoint($call, await $request);
+  }
+
   $async.Future<$0.SystemAiStatusResponse> systemAiStatus_Pre($grpc.ServiceCall $call, $async.Future<$1.Empty> $request) async {
     return systemAiStatus($call, await $request);
   }
@@ -903,6 +981,10 @@ abstract class HubAdminServiceBase extends $grpc.Service {
   $async.Future<$0.ListMcpClientsResponse> refreshMcpClients($grpc.ServiceCall call, $1.Empty request);
   $async.Future<$0.ListMcpClientsResponse> addMcpClient($grpc.ServiceCall call, $0.McpClientConfigEntry request);
   $async.Future<$0.ListMcpClientsResponse> removeMcpClient($grpc.ServiceCall call, $0.RemoveMcpClientRequest request);
+  $async.Future<$0.ListN8nEndpointsResponse> listN8nEndpoints($grpc.ServiceCall call, $1.Empty request);
+  $async.Future<$0.ListN8nEndpointsResponse> refreshN8nEndpoints($grpc.ServiceCall call, $1.Empty request);
+  $async.Future<$0.ListN8nEndpointsResponse> addN8nEndpoint($grpc.ServiceCall call, $0.N8nEndpointConfigEntry request);
+  $async.Future<$0.ListN8nEndpointsResponse> removeN8nEndpoint($grpc.ServiceCall call, $0.RemoveN8nEndpointRequest request);
   $async.Future<$0.SystemAiStatusResponse> systemAiStatus($grpc.ServiceCall call, $1.Empty request);
   $async.Future<$0.AskAiResponse> askAi($grpc.ServiceCall call, $0.AskAiRequest request);
   $async.Future<$0.SystemAiStatusResponse> updateSystemAi($grpc.ServiceCall call, $0.UpdateSystemAiRequest request);

lib/src/generated/fai/v1/hub.pbjson.dart

@@ -1064,3 +1064,63 @@ const RemoveMcpClientRequest$json = {
 final $typed_data.Uint8List removeMcpClientRequestDescriptor = $convert.base64Decode(
     'ChZSZW1vdmVNY3BDbGllbnRSZXF1ZXN0EhIKBG5hbWUYASABKAlSBG5hbWU=');
 
+@$core.Deprecated('Use n8nEndpointConfigEntryDescriptor instead')
+const N8nEndpointConfigEntry$json = {
+  '1': 'N8nEndpointConfigEntry',
+  '2': [
+    {'1': 'name', '3': 1, '4': 1, '5': 9, '10': 'name'},
+    {'1': 'base_url', '3': 2, '4': 1, '5': 9, '10': 'baseUrl'},
+    {'1': 'api_key_env', '3': 3, '4': 1, '5': 9, '10': 'apiKeyEnv'},
+    {'1': 'description', '3': 4, '4': 1, '5': 9, '10': 'description'},
+  ],
+};
+
+/// Descriptor for `N8nEndpointConfigEntry`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List n8nEndpointConfigEntryDescriptor = $convert.base64Decode(
+    'ChZOOG5FbmRwb2ludENvbmZpZ0VudHJ5EhIKBG5hbWUYASABKAlSBG5hbWUSGQoIYmFzZV91cm'
+    'wYAiABKAlSB2Jhc2VVcmwSHgoLYXBpX2tleV9lbnYYAyABKAlSCWFwaUtleUVudhIgCgtkZXNj'
+    'cmlwdGlvbhgEIAEoCVILZGVzY3JpcHRpb24=');
+
+@$core.Deprecated('Use listN8nEndpointsResponseDescriptor instead')
+const ListN8nEndpointsResponse$json = {
+  '1': 'ListN8nEndpointsResponse',
+  '2': [
+    {'1': 'endpoints', '3': 1, '4': 3, '5': 11, '6': '.fai.v1.N8nEndpointStatus', '10': 'endpoints'},
+  ],
+};
+
+/// Descriptor for `ListN8nEndpointsResponse`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List listN8nEndpointsResponseDescriptor = $convert.base64Decode(
+    'ChhMaXN0TjhuRW5kcG9pbnRzUmVzcG9uc2USNwoJZW5kcG9pbnRzGAEgAygLMhkuZmFpLnYxLk'
+    '44bkVuZHBvaW50U3RhdHVzUgllbmRwb2ludHM=');
+
+@$core.Deprecated('Use n8nEndpointStatusDescriptor instead')
+const N8nEndpointStatus$json = {
+  '1': 'N8nEndpointStatus',
+  '2': [
+    {'1': 'config', '3': 1, '4': 1, '5': 11, '6': '.fai.v1.N8nEndpointConfigEntry', '10': 'config'},
+    {'1': 'workflow_count', '3': 2, '4': 1, '5': 13, '10': 'workflowCount'},
+    {'1': 'error_kind', '3': 3, '4': 1, '5': 9, '10': 'errorKind'},
+    {'1': 'message', '3': 4, '4': 1, '5': 9, '10': 'message'},
+  ],
+};
+
+/// Descriptor for `N8nEndpointStatus`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List n8nEndpointStatusDescriptor = $convert.base64Decode(
+    'ChFOOG5FbmRwb2ludFN0YXR1cxI2CgZjb25maWcYASABKAsyHi5mYWkudjEuTjhuRW5kcG9pbn'
+    'RDb25maWdFbnRyeVIGY29uZmlnEiUKDndvcmtmbG93X2NvdW50GAIgASgNUg13b3JrZmxvd0Nv'
+    'dW50Eh0KCmVycm9yX2tpbmQYAyABKAlSCWVycm9yS2luZBIYCgdtZXNzYWdlGAQgASgJUgdtZX'
+    'NzYWdl');
+
+@$core.Deprecated('Use removeN8nEndpointRequestDescriptor instead')
+const RemoveN8nEndpointRequest$json = {
+  '1': 'RemoveN8nEndpointRequest',
+  '2': [
+    {'1': 'name', '3': 1, '4': 1, '5': 9, '10': 'name'},
+  ],
+};
+
+/// Descriptor for `RemoveN8nEndpointRequest`. Decode as a `google.protobuf.DescriptorProto`.
+final $typed_data.Uint8List removeN8nEndpointRequestDescriptor = $convert.base64Decode(
+    'ChhSZW1vdmVOOG5FbmRwb2ludFJlcXVlc3QSEgoEbmFtZRgBIAEoCVIEbmFtZQ==');
+

lib/src/hub_client.dart

@@ -60,6 +60,9 @@ typedef FetchModuleDocsResponse = pb.FetchModuleDocsResponse;
 typedef ListMcpClientsResponse = pb.ListMcpClientsResponse;
 typedef McpClientStatus = pb.McpClientStatus;
 typedef McpClientConfigEntry = pb.McpClientConfigEntry;
+typedef ListN8nEndpointsResponse = pb.ListN8nEndpointsResponse;
+typedef N8nEndpointStatus = pb.N8nEndpointStatus;
+typedef N8nEndpointConfigEntry = pb.N8nEndpointConfigEntry;
 typedef ModuleInfoResponse = pb.ModuleInfoResponse;
 typedef FlowSummary = pb.FlowSummary;
 typedef StoreEntry = pb.StoreEntry;
@@ -273,6 +276,30 @@ class HubClient {
     return _admin.removeMcpClient(pb.RemoveMcpClientRequest(name: name));
   }
 
+  /// Sister methods for n8n-endpoint federation. Same shape
+  /// as the MCP-client surface above; Studio's n8n editor
+  /// reuses the MCP editor patterns wholesale.
+  Future<ListN8nEndpointsResponse> listN8nEndpoints() =>
+      _admin.listN8nEndpoints(Empty());
+  Future<ListN8nEndpointsResponse> refreshN8nEndpoints() =>
+      _admin.refreshN8nEndpoints(Empty());
+  Future<ListN8nEndpointsResponse> addN8nEndpoint({
+    required String name,
+    required String baseUrl,
+    String apiKeyEnv = '',
+    String description = '',
+  }) {
+    return _admin.addN8nEndpoint(pb.N8nEndpointConfigEntry(
+      name: name,
+      baseUrl: baseUrl,
+      apiKeyEnv: apiKeyEnv,
+      description: description,
+    ));
+  }
+  Future<ListN8nEndpointsResponse> removeN8nEndpoint(String name) {
+    return _admin.removeN8nEndpoint(pb.RemoveN8nEndpointRequest(name: name));
+  }
+
   /// Read-only system-AI status. `enabled=false` lets Studio
   /// render "configure in Settings" without making a request.
   Future<SystemAiStatusResponse> systemAiStatus() {

pubspec.yaml

@@ -1,6 +1,6 @@
 name: fai_dart_sdk
 description: gRPC client SDK for the F∆I Platform hub. Used by F∆I Studio and Tier-3 domain apps.
-version: 0.12.1
+version: 0.13.0
 publish_to: 'none'
 repository: https://git.flemming.ws/fai/dart-sdk