diff --git a/argilla-server/src/argilla_server/api/handlers/v1/oauth2.py b/argilla-server/src/argilla_server/api/handlers/v1/oauth2.py
index 0e16f07e28..8cb0bf10e6 100644
--- a/argilla-server/src/argilla_server/api/handlers/v1/oauth2.py
+++ b/argilla-server/src/argilla_server/api/handlers/v1/oauth2.py
@@ -63,12 +63,15 @@ async def get_access_token(
 
     user = await User.get_by(db, username=userinfo.username)
     if user is None:
+        default_available_workspaces = [workspace.name for workspace in settings.oauth.allowed_workspaces]
+        workspaces = userinfo.available_workspaces or default_available_workspaces
+
         user = await accounts.create_user_with_random_password(
             db,
             username=userinfo.username,
             first_name=userinfo.first_name,
             role=userinfo.role,
-            workspaces=[workspace.name for workspace in settings.oauth.allowed_workspaces],
+            workspaces=workspaces,
         )
 
     return Token(access_token=accounts.generate_user_token(user))
diff --git a/argilla-server/src/argilla_server/security/authentication/oauth2/_backends.py b/argilla-server/src/argilla_server/security/authentication/oauth2/_backends.py
index 3caa90b9a3..011fce1f5e 100644
--- a/argilla-server/src/argilla_server/security/authentication/oauth2/_backends.py
+++ b/argilla-server/src/argilla_server/security/authentication/oauth2/_backends.py
@@ -13,7 +13,7 @@
 #  limitations under the License.
 
 import os
-from typing import Type, Dict, Any, Optional
+from typing import Type, Dict, Any, Optional, List
 
 from social_core.backends.oauth import BaseOAuth2
 from social_core.backends.open_id_connect import OpenIdConnectAuth
@@ -67,6 +67,41 @@ def oidc_endpoint(self) -> str:
 
         return value
 
+    def get_user_details(self, response: Dict[str, Any]) -> Dict[str, Any]:
+        user = super().get_user_details(response)
+
+        if role := self._extract_role(response):
+            user["role"] = role
+
+        if available_workspaces := self._extract_available_workspaces(response):
+            user["available_workspaces"] = available_workspaces
+
+        return user
+
+    def _extract_role(self, response: Dict[str, Any]) -> Optional[str]:
+        roles = self._read_realm_roles(response)
+
+        for role in roles:
+            if role.startswith("argilla_role:"):
+                role = role.split(":")[1]
+                return role
+
+    def _extract_available_workspaces(self, response: Dict[str, Any]) -> List[str]:
+        roles = self._read_realm_roles(response)
+
+        workspaces = []
+        for role in roles:
+            if role.startswith("argilla_workspace:"):
+                workspace = role.split(":")[1]
+                workspaces.append(workspace)
+
+        return workspaces
+
+    @classmethod
+    def _read_realm_roles(cls, response) -> List[str]:
+        realm_access = response.get("realm_access") or {}
+        return realm_access.get("roles") or []
+
 
 _SUPPORTED_BACKENDS = {}
 
diff --git a/argilla-server/src/argilla_server/security/authentication/userinfo.py b/argilla-server/src/argilla_server/security/authentication/userinfo.py
index 70173cda7e..5f01628e76 100644
--- a/argilla-server/src/argilla_server/security/authentication/userinfo.py
+++ b/argilla-server/src/argilla_server/security/authentication/userinfo.py
@@ -41,6 +41,10 @@ def role(self) -> UserRole:
         role = self.get("role") or self._parse_role_from_environment()
         return UserRole(role)
 
+    @property
+    def available_workspaces(self) -> Optional[list]:
+        return self.get("available_workspaces")
+
     def _parse_role_from_environment(self) -> Optional[UserRole]:
         """This is a temporal solution, and it will be replaced by a proper Sign up process"""
         if self["username"] == os.getenv("USERNAME"):
diff --git a/argilla-server/tests/unit/api/handlers/v1/test_oauth2.py b/argilla-server/tests/unit/api/handlers/v1/test_oauth2.py
index 76bc4c6b4c..be29523c40 100644
--- a/argilla-server/tests/unit/api/handlers/v1/test_oauth2.py
+++ b/argilla-server/tests/unit/api/handlers/v1/test_oauth2.py
@@ -19,13 +19,14 @@
 from httpx import AsyncClient
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy.orm import selectinload
 
 from argilla_server.enums import UserRole
 from argilla_server.errors.future import AuthenticationError
 from argilla_server.models import User
 from argilla_server.security.authentication import JWT
 from argilla_server.security.authentication.oauth2 import OAuth2Settings
-from tests.factories import AdminFactory, AnnotatorFactory
+from tests.factories import AdminFactory, AnnotatorFactory, WorkspaceFactory
 
 
 @pytest.fixture
@@ -110,6 +111,40 @@ async def test_provider_huggingface_access_token(
                 assert user is not None
                 assert user.role == UserRole.annotator
 
+    async def test_provider_access_token_with_specific_userinfo_workspace(
+        self,
+        async_client: AsyncClient,
+        db: AsyncSession,
+        owner_auth_header: dict,
+        default_oauth_settings: OAuth2Settings,
+    ):
+        workspace = await WorkspaceFactory.create()
+
+        with mock.patch("argilla_server.security.settings.Settings.oauth", new_callable=lambda: default_oauth_settings):
+            with mock.patch(
+                "argilla_server.security.authentication.oauth2.provider.OAuth2ClientProvider._fetch_user_data",
+                return_value={"username": "username", "name": "name", "available_workspaces": [workspace.name]},
+            ):
+                response = await async_client.get(
+                    "/api/v1/oauth2/providers/huggingface/access-token",
+                    params={"code": "code", "state": "valid"},
+                    headers=owner_auth_header,
+                    cookies={"huggingface_oauth2_state": "valid"},
+                )
+
+                assert response.status_code == 200
+
+                json_response = response.json()
+                assert JWT.decode(json_response["access_token"])["username"] == "username"
+                assert json_response["token_type"] == "bearer"
+
+                user = await db.scalar(
+                    select(User).options(selectinload(User.workspaces)).filter_by(username="username")
+                )
+                assert user is not None
+                assert user.role == UserRole.annotator
+                assert user.workspaces == [workspace]
+
     async def test_provider_huggingface_access_token_with_missing_username(
         self,
         async_client: AsyncClient,
diff --git a/argilla-server/tests/unit/security/authentication/oauth2/backends/__init__.py b/argilla-server/tests/unit/security/authentication/oauth2/backends/__init__.py
new file mode 100644
index 0000000000..4b6cecae7f
--- /dev/null
+++ b/argilla-server/tests/unit/security/authentication/oauth2/backends/__init__.py
@@ -0,0 +1,14 @@
+#  Copyright 2021-present, the Recognai S.L. team.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
diff --git a/argilla-server/tests/unit/security/authentication/oauth2/backends/test_keycloack_backend.py b/argilla-server/tests/unit/security/authentication/oauth2/backends/test_keycloack_backend.py
new file mode 100644
index 0000000000..c542abf771
--- /dev/null
+++ b/argilla-server/tests/unit/security/authentication/oauth2/backends/test_keycloack_backend.py
@@ -0,0 +1,114 @@
+#  Copyright 2021-present, the Recognai S.L. team.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+from argilla_server.security.authentication.oauth2._backends import KeycloakOpenId, Strategy
+
+
+class TestKeyCloackOpenIdBackend:
+    def test_get_user_details_with_argilla_role(self):
+        backend = KeycloakOpenId(strategy=Strategy())
+
+        user_details = backend.get_user_details(
+            {
+                "realm_access": {"roles": ["role1", "role2", "argilla_role:annotator"]},
+            }
+        )
+
+        assert user_details["role"] == "annotator"
+
+    def test_get_user_details_with_wrong_argilla_role_definition(self):
+        backend = KeycloakOpenId(strategy=Strategy())
+
+        user_details = backend.get_user_details(
+            {
+                "realm_access": {"roles": ["role1", "role2", "argilla_role=annotator"]},
+            }
+        )
+
+        assert "role" not in user_details
+
+    def test_get_user_details_without_argilla_role(self):
+        backend = KeycloakOpenId(strategy=Strategy())
+
+        user_details = backend.get_user_details(
+            {
+                "realm_access": {"roles": ["role1", "role2"]},
+            }
+        )
+
+        assert "role" not in user_details
+
+    def test_get_user_details_with_argilla_workspaces(self):
+        backend = KeycloakOpenId(strategy=Strategy())
+
+        user_details = backend.get_user_details(
+            {
+                "realm_access": {"roles": ["role1", "role2", "argilla_workspace:ws1"]},
+            }
+        )
+
+        assert user_details["available_workspaces"] == ["ws1"]
+
+    def test_get_user_details_with_wrong_argilla_workspace_definition(self):
+        backend = KeycloakOpenId(strategy=Strategy())
+
+        user_details = backend.get_user_details(
+            {
+                "realm_access": {"roles": ["role1", "role2", "argilla_workspace=ws1"]},
+            }
+        )
+
+        assert "available_workspaces" not in user_details
+
+    def test_get_user_details_with_multiple_argilla_workspaces(self):
+        backend = KeycloakOpenId(strategy=Strategy())
+
+        user_details = backend.get_user_details(
+            {
+                "realm_access": {"roles": ["role1", "role2", "argilla_workspace:ws1", "argilla_workspace:ws2"]},
+            }
+        )
+
+        assert user_details["available_workspaces"] == ["ws1", "ws2"]
+
+    def test_get_user_details_with_missing_argilla_workspaces(self):
+        backend = KeycloakOpenId(strategy=Strategy())
+
+        user_details = backend.get_user_details(
+            {
+                "realm_access": {"roles": ["role1", "role2"]},
+            }
+        )
+
+        assert "available_workspaces" not in user_details
+
+    def test_get_user_details_with_missing_roles_key(self):
+        backend = KeycloakOpenId(strategy=Strategy())
+
+        user_details = backend.get_user_details(
+            {
+                "realm_access": {"other": "stuff"},
+            }
+        )
+
+        assert "role" not in user_details
+        assert "available_workspaces" not in user_details
+
+    def test_get_user_details_with_missing_realm_access_key(self):
+        backend = KeycloakOpenId(strategy=Strategy())
+
+        user_details = backend.get_user_details({"other": "stuff"})
+
+        assert "role" not in user_details
+        assert "available_workspaces" not in user_details