diff --git a/auth_backend/auth_method/base.py b/auth_backend/auth_method/base.py
index 587f903..00a88dd 100644
--- a/auth_backend/auth_method/base.py
+++ b/auth_backend/auth_method/base.py
@@ -8,7 +8,6 @@
 
 from fastapi import APIRouter
 from sqlalchemy.orm import Session as DbSession
-
 from auth_backend.models.db import AuthMethod, User, UserSession
 from auth_backend.settings import get_settings
 
@@ -24,7 +23,6 @@ class AuthPluginMeta(metaclass=ABCMeta):
     router: APIRouter
     prefix: str
     tags: list[str] = []
-    loginable: bool
 
     @classmethod
     def get_name(cls) -> str:
diff --git a/auth_backend/auth_method/oauth.py b/auth_backend/auth_method/oauth.py
index aa12bbf..21789aa 100644
--- a/auth_backend/auth_method/oauth.py
+++ b/auth_backend/auth_method/oauth.py
@@ -5,7 +5,7 @@
 from fastapi_sqlalchemy import db
 from sqlalchemy.orm import Session as DbSession
 
-from auth_backend.auth_method import AUTH_METHODS
+from auth_backend.auth_method import AUTH_METHODS, LoginableMixin
 from auth_backend.base import Base
 from auth_backend.exceptions import LastAuthMethodDelete
 from auth_backend.models.db import AuthMethod, User, UserSession
@@ -31,6 +31,10 @@ def __init__(self):
         self.router.add_api_route("/auth_url", self._auth_url, methods=["GET"], response_model=self.UrlSchema)
         self.router.add_api_route("", self._unregister, methods=["DELETE"])
 
+    def __init_subclass__(cls, **kwargs):
+        super().__init_subclass__(**kwargs)
+        cls.loginable = issubclass(cls, LoginableMixin)
+
     @staticmethod
     @abstractmethod
     async def _redirect_url(*args, **kwargs) -> UrlSchema:
diff --git a/auth_backend/auth_method/outer.py b/auth_backend/auth_method/outer.py
index 2315330..ae518ca 100644
--- a/auth_backend/auth_method/outer.py
+++ b/auth_backend/auth_method/outer.py
@@ -8,6 +8,7 @@
 from starlette.status import HTTP_403_FORBIDDEN, HTTP_404_NOT_FOUND, HTTP_409_CONFLICT, HTTP_424_FAILED_DEPENDENCY
 
 from auth_backend.auth_method.base import AuthPluginMeta
+from auth_backend.auth_method import LoginableMixin
 from auth_backend.base import Base
 from auth_backend.models.db import AuthMethod, UserSession
 from auth_backend.utils.security import UnionAuth
@@ -77,6 +78,10 @@ def __init__(self):
         self.router.add_api_route("/{user_id}/link", self._link, methods=["POST"])
         self.router.add_api_route("/{user_id}/link", self._unlink, methods=["DELETE"])
 
+    def __init_subclass__(cls, **kwargs):
+        super().__init_subclass__(**kwargs)
+        cls.loginable = issubclass(cls, LoginableMixin)
+
     @classmethod
     def get_scope(cls):
         """Права, необходимые пользователю для получения данных о внешнем аккаунте"""
diff --git a/auth_backend/auth_plugins/airflow.py b/auth_backend/auth_plugins/airflow.py
index 4a19c3e..6988011 100644
--- a/auth_backend/auth_plugins/airflow.py
+++ b/auth_backend/auth_plugins/airflow.py
@@ -19,7 +19,6 @@ class AirflowOuterAuthSettings(Settings):
 class AirflowOuterAuth(OuterAuthMeta):
     prefix = '/airflow'
     settings = AirflowOuterAuthSettings()
-    loginable = False
 
     @classmethod
     async def _is_outer_user_exists(cls, username: str) -> bool:
diff --git a/auth_backend/auth_plugins/coder.py b/auth_backend/auth_plugins/coder.py
index e21639c..2c1ecef 100644
--- a/auth_backend/auth_plugins/coder.py
+++ b/auth_backend/auth_plugins/coder.py
@@ -18,7 +18,6 @@ class CoderOuterAuthSettings(Settings):
 class CoderOuterAuth(OuterAuthMeta):
     prefix = '/coder'
     settings = CoderOuterAuthSettings()
-    loginable = False
 
     @classmethod
     async def _is_outer_user_exists(cls, username: str) -> bool:
diff --git a/auth_backend/auth_plugins/github.py b/auth_backend/auth_plugins/github.py
index 80ff480..0af7fe8 100644
--- a/auth_backend/auth_plugins/github.py
+++ b/auth_backend/auth_plugins/github.py
@@ -10,7 +10,7 @@
 from fastapi_sqlalchemy import db
 from pydantic import BaseModel, Field
 
-from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session
+from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session, LoginableMixin
 from auth_backend.exceptions import AlreadyExists, OauthAuthFailed
 from auth_backend.kafka.kafka import get_kafka_producer
 from auth_backend.models.db import User, UserSession
@@ -28,11 +28,10 @@ class GithubSettings(Settings):
     GITHUB_CLIENT_SECRET: str | None = None
 
 
-class GithubAuth(OauthMeta):
+class GithubAuth(OauthMeta, LoginableMixin):
     """Вход в приложение по аккаунту GitHub"""
 
     prefix = '/github'
-    loginable = True
     tags = ['github']
     settings = GithubSettings()
 
diff --git a/auth_backend/auth_plugins/google.py b/auth_backend/auth_plugins/google.py
index 4ad3158..0d47cd8 100644
--- a/auth_backend/auth_plugins/google.py
+++ b/auth_backend/auth_plugins/google.py
@@ -12,7 +12,7 @@
 from google.oauth2.id_token import verify_oauth2_token
 from pydantic import BaseModel, Field, Json
 
-from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session
+from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session, LoginableMixin
 from auth_backend.exceptions import AlreadyExists, OauthAuthFailed, OauthCredentialsIncorrect
 from auth_backend.kafka.kafka import get_kafka_producer
 from auth_backend.models.db import User, UserSession
@@ -36,11 +36,10 @@ class GoogleSettings(Settings):
     GOOGLE_BLACKLIST_DOMAINS: list[str] | None = ['physics.msu.ru']
 
 
-class GoogleAuth(OauthMeta):
+class GoogleAuth(OauthMeta, LoginableMixin):
     """Вход в приложение по аккаунту гугл"""
 
     prefix = '/google'
-    loginable = True
     tags = ['Google']
     settings = GoogleSettings()
 
diff --git a/auth_backend/auth_plugins/keycloak.py b/auth_backend/auth_plugins/keycloak.py
index 17bf69e..d9b951e 100644
--- a/auth_backend/auth_plugins/keycloak.py
+++ b/auth_backend/auth_plugins/keycloak.py
@@ -10,7 +10,7 @@
 from fastapi_sqlalchemy import db
 from pydantic import BaseModel, Field
 
-from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session
+from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session, LoginableMixin
 from auth_backend.exceptions import AlreadyExists, OauthAuthFailed
 from auth_backend.kafka.kafka import get_kafka_producer
 from auth_backend.models.db import User, UserSession
@@ -29,11 +29,10 @@ class KeycloakSettings(Settings):
     KEYCLOAK_CLIENT_SECRET: str | None = None
 
 
-class KeycloakAuth(OauthMeta):
+class KeycloakAuth(OauthMeta, LoginableMixin):
     """Вход в приложение по аккаунту Keycloak"""
 
     prefix = '/keycloak'
-    loginable = True
     tags = ['keycloak']
     settings = KeycloakSettings()
 
diff --git a/auth_backend/auth_plugins/lkmsu.py b/auth_backend/auth_plugins/lkmsu.py
index ce508db..1fd4d29 100644
--- a/auth_backend/auth_plugins/lkmsu.py
+++ b/auth_backend/auth_plugins/lkmsu.py
@@ -10,7 +10,7 @@
 from pydantic import BaseModel, Field
 from starlette.background import BackgroundTasks
 
-from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session
+from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session, LoginableMixin
 from auth_backend.exceptions import AlreadyExists, OauthAuthFailed
 from auth_backend.kafka.kafka import get_kafka_producer
 from auth_backend.models.db import User, UserSession
@@ -30,11 +30,10 @@ class LkmsuSettings(Settings):
     LKMSU_FACULTY_NAME: str = 'Физический факультет'
 
 
-class LkmsuAuth(OauthMeta):
+class LkmsuAuth(OauthMeta, LoginableMixin):
     """Вход в приложение по аккаунту гугл"""
 
     prefix = '/lk-msu'
-    loginable = True
     tags = ['lk_msu']
     settings = LkmsuSettings()
 
diff --git a/auth_backend/auth_plugins/mailu.py b/auth_backend/auth_plugins/mailu.py
index af1d97d..cd1eab5 100644
--- a/auth_backend/auth_plugins/mailu.py
+++ b/auth_backend/auth_plugins/mailu.py
@@ -18,7 +18,6 @@ class MailuOuterAuthSettings(Settings):
 class MailuOuterAuth(OuterAuthMeta):
     prefix = '/mailu'
     settings = MailuOuterAuthSettings()
-    loginable = False
 
     @classmethod
     async def _is_outer_user_exists(cls, username: str) -> bool:
diff --git a/auth_backend/auth_plugins/mymsu.py b/auth_backend/auth_plugins/mymsu.py
index edc2fe2..9b2230e 100644
--- a/auth_backend/auth_plugins/mymsu.py
+++ b/auth_backend/auth_plugins/mymsu.py
@@ -1,7 +1,7 @@
 from pydantic import Field
 
 from auth_backend.settings import Settings
-
+from auth_backend.auth_method import LoginableMixin
 from .yandex import YandexAuth
 
 
@@ -16,9 +16,8 @@ class MyMsuSettings(Settings):
     YANDEX_BLACKLIST_DOMAINS: list[str] | None = None
 
 
-class MyMsuAuth(YandexAuth):
+class MyMsuAuth(YandexAuth, LoginableMixin):
     """Вход в приложение по почте @my.msu.ru"""
 
     prefix = '/my-msu'
-    loginable = True
     settings = MyMsuSettings()
diff --git a/auth_backend/auth_plugins/physics.py b/auth_backend/auth_plugins/physics.py
index c7c77d8..11875ba 100644
--- a/auth_backend/auth_plugins/physics.py
+++ b/auth_backend/auth_plugins/physics.py
@@ -1,6 +1,7 @@
 from pydantic import Field, Json
 
 from auth_backend.settings import Settings
+from auth_backend.auth_method import LoginableMixin
 
 from .google import GoogleAuth
 
@@ -23,9 +24,8 @@ class PhysicsSettings(Settings):
     GOOGLE_BLACKLIST_DOMAINS: list[str] | None = None
 
 
-class PhysicsAuth(GoogleAuth):
+class PhysicsAuth(GoogleAuth, LoginableMixin):
     """Вход в приложение по почте @physics.msu.ru"""
 
     prefix = '/physics-msu'
-    loginable = True
     settings = PhysicsSettings()
diff --git a/auth_backend/auth_plugins/postgres.py b/auth_backend/auth_plugins/postgres.py
index 6830c8a..94def5b 100644
--- a/auth_backend/auth_plugins/postgres.py
+++ b/auth_backend/auth_plugins/postgres.py
@@ -21,7 +21,6 @@ class PostgresOuterAuthSettings(Settings):
 class PostgresOuterAuth(OuterAuthMeta):
     prefix = '/postgres'
     settings = PostgresOuterAuthSettings()
-    loginable = False
     __sessionmaker: type[Session] | None = None
 
     @classmethod
diff --git a/auth_backend/auth_plugins/telegram.py b/auth_backend/auth_plugins/telegram.py
index c364dc6..22479bd 100644
--- a/auth_backend/auth_plugins/telegram.py
+++ b/auth_backend/auth_plugins/telegram.py
@@ -11,7 +11,7 @@
 from fastapi_sqlalchemy import db
 from pydantic import BaseModel, Field
 
-from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session
+from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session, LoginableMixin
 from auth_backend.exceptions import AlreadyExists, OauthAuthFailed
 from auth_backend.kafka.kafka import get_kafka_producer
 from auth_backend.models.db import User, UserSession
@@ -29,9 +29,8 @@ class TelegramSettings(Settings):
     TELEGRAM_BOT_TOKEN: str | None = None
 
 
-class TelegramAuth(OauthMeta):
+class TelegramAuth(OauthMeta, LoginableMixin):
     prefix = '/telegram'
-    loginable = True
     tags = ['Telegram']
     settings = TelegramSettings()
 
diff --git a/auth_backend/auth_plugins/vk.py b/auth_backend/auth_plugins/vk.py
index 0e54f3a..1497215 100644
--- a/auth_backend/auth_plugins/vk.py
+++ b/auth_backend/auth_plugins/vk.py
@@ -10,7 +10,7 @@
 from fastapi_sqlalchemy import db
 from pydantic import BaseModel, Field
 
-from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session
+from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session, LoginableMixin
 from auth_backend.exceptions import AlreadyExists, OauthAuthFailed
 from auth_backend.kafka.kafka import get_kafka_producer
 from auth_backend.models.db import User, UserSession
@@ -44,9 +44,8 @@ class VkSettings(Settings):
     ]  # Другие данные https://dev.vk.com/ru/reference/objects/user
 
 
-class VkAuth(OauthMeta):
+class VkAuth(OauthMeta, LoginableMixin):
     prefix = '/vk'
-    loginable = True
     tags = ['vk']
     settings = VkSettings()
 
diff --git a/auth_backend/auth_plugins/yandex.py b/auth_backend/auth_plugins/yandex.py
index 7c2f600..71ea87e 100644
--- a/auth_backend/auth_plugins/yandex.py
+++ b/auth_backend/auth_plugins/yandex.py
@@ -10,7 +10,7 @@
 from fastapi_sqlalchemy import db
 from pydantic import BaseModel, Field
 
-from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session
+from auth_backend.auth_method import AuthPluginMeta, OauthMeta, Session, LoginableMixin
 from auth_backend.exceptions import AlreadyExists, OauthAuthFailed
 from auth_backend.kafka.kafka import get_kafka_producer
 from auth_backend.models.db import User, UserSession
@@ -31,9 +31,8 @@ class YandexSettings(Settings):
     YANDEX_BLACKLIST_DOMAINS: list[str] | None = ['my.msu.ru']
 
 
-class YandexAuth(OauthMeta):
+class YandexAuth(OauthMeta, LoginableMixin):
     prefix = '/yandex'
-    loginable = True
     tags = ['Yandex']
     settings = YandexSettings()