diff --git a/server/core.py b/server/core.py
index 4c2cf69..d64f136 100644
--- a/server/core.py
+++ b/server/core.py
@@ -18,7 +18,14 @@
 )
 from supertokens_python.asyncio import list_users_by_account_info
 from supertokens_python.auth_utils import LinkingToSessionUserFailedError
-from supertokens_python.recipe import dashboard, emailpassword, session, thirdparty
+from supertokens_python.exceptions import GeneralError
+from supertokens_python.recipe import (
+    dashboard,
+    emailpassword,
+    session,
+    thirdparty,
+    userroles,
+)
 from supertokens_python.recipe.session.interfaces import SessionContainer
 
 # isort: off
@@ -171,6 +178,7 @@ def __init__(
                     )
                 ),
                 dashboard.init(),
+                userroles.init(),
             ],
             mode="asgi",
         )
@@ -183,6 +191,10 @@ def __init__(
             RequestValidationError,
             self.request_validation_error_handler,  # type: ignore
         )
+        self.add_exception_handler(
+            GeneralError,
+            self.general_error_handler,  # type: ignore
+        )
 
     # SuperTokens recipes overrides
 
@@ -386,9 +398,7 @@ async def request_validation_error_handler(
     ) -> ORJSONResponse:
         message = RequestValidationErrorMessage(
             errors=[
-                RequestValidationErrorDetails(
-                    detail=exception["msg"], context=exception["ctx"]["error"]
-                )
+                RequestValidationErrorDetails(detail=exception["msg"], context="")
                 for exception in exc.errors()
             ]
         )
@@ -397,6 +407,13 @@ async def request_validation_error_handler(
             content=message.model_dump(), status_code=status.HTTP_400_BAD_REQUEST
         )
 
+    async def general_error_handler(
+        self, request: RouteRequest, exc: GeneralError
+    ) -> ORJSONResponse:
+        return ORJSONResponse(
+            content={"error": str(exc)}, status_code=status.HTTP_400_BAD_REQUEST
+        )
+
     ### Server-related utilities
 
     @asynccontextmanager
diff --git a/server/routes/events.py b/server/routes/events.py
index 38afa07..1f98c51 100644
--- a/server/routes/events.py
+++ b/server/routes/events.py
@@ -9,6 +9,7 @@
 from utils.errors import NotFoundException, NotFoundMessage
 from utils.pages import KanaePages, KanaeParams, paginate
 from utils.request import RouteRequest
+from utils.roles import has_any_role
 from utils.router import KanaeRouter
 
 router = KanaeRouter(tags=["Events"])
@@ -100,11 +101,11 @@ class ModifiedEventWithDatetime(ModifiedEvent):
     end_at: datetime.datetime
 
 
-# Depends on scopes
 @router.put(
     "/events/{id}",
     responses={200: {"model": EventsWithID}, 404: {"model": NotFoundMessage}},
 )
+@has_any_role("admin", "leads")
 @router.limiter.limit("10/minute")
 async def edit_event(
     request: RouteRequest,
@@ -150,11 +151,11 @@ class DeleteResponse(BaseModel, frozen=True):
     message: str = "ok"
 
 
-# Depends on scopes
 @router.delete(
     "/events/{id}",
     responses={200: {"model": DeleteResponse}, 404: {"model": NotFoundMessage}},
 )
+@has_any_role("admin", "leads")
 @router.limiter.limit("10/minute")
 async def delete_event(
     request: RouteRequest,
@@ -173,8 +174,8 @@ async def delete_event(
     return DeleteResponse()
 
 
-# Depends on scopes
 @router.post("/events/create", responses={200: {"model": EventsWithAllID}})
+@has_any_role("admin", "leads")
 @router.limiter.limit("15/minute")
 async def create_events(
     request: RouteRequest,
diff --git a/server/routes/projects.py b/server/routes/projects.py
index e4482cd..c9a8750 100644
--- a/server/routes/projects.py
+++ b/server/routes/projects.py
@@ -7,6 +7,7 @@
 from pydantic import BaseModel
 from supertokens_python.recipe.session import SessionContainer
 from supertokens_python.recipe.session.framework.fastapi import verify_session
+from supertokens_python.recipe.userroles import UserRoleClaim
 from utils.errors import (
     BadRequestException,
     HTTPExceptionMessage,
@@ -16,6 +17,7 @@
 from utils.pages import KanaePages, KanaeParams, paginate
 from utils.request import RouteRequest
 from utils.responses import DeleteResponse
+from utils.roles import has_admin_role, has_any_role
 from utils.router import KanaeRouter
 
 router = KanaeRouter(tags=["Projects"])
@@ -107,6 +109,7 @@ async def list_projects(
             args.extend((until, active))
         constraint = f"WHERE {time_constraint} GROUP BY projects.id"
 
+    # ruff: noqa: S608
     query = f"""
     SELECT 
         projects.id, projects.name, projects.description, projects.link,
@@ -150,11 +153,11 @@ class ModifiedProject(BaseModel):
     link: str
 
 
-# Depends on scopes - Requires project lead and/or admin scopes
 @router.put(
     "/projects/{id}",
     responses={200: {"model": Projects}, 404: {"model": NotFoundMessage}},
 )
+@has_any_role("admin", "leads")
 @router.limiter.limit("3/minute")
 async def edit_project(
     request: RouteRequest,
@@ -164,7 +167,6 @@ async def edit_project(
 ):
     """Updates the specified project"""
 
-    # todo: add query for admins
     query = """
     WITH project_member AS (
         SELECT members.id, members.role
@@ -189,20 +191,41 @@ async def edit_project(
     RETURNING *;
     """
 
-    rows = await request.app.pool.fetchrow(
-        query, id, session.get_user_id(), *req.model_dump().values()
-    )
+    roles = await session.get_claim_value(UserRoleClaim)
+
+    if roles and "admin" in roles:
+        # Effectively admins can override projects
+        query = """
+        WITH project_member AS (
+            SELECT members.id, members.role
+            FROM projects
+            INNER JOIN project_members ON project_members.project_id = projects.id
+            INNER JOIN members ON project_members.member_id = members.id
+            WHERE projects.id = $1
+        )
+        UPDATE projects
+        SET
+            name = $2,
+            description = $3,
+            link = $4
+        WHERE
+            id = $1
+        RETURNING *;
+        """
+
+    args = (id) if roles and "admin" in roles else (id, session.get_user_id())
+    rows = await request.app.pool.fetchrow(query, *args, *req.model_dump().values())
 
     if not rows:
         raise NotFoundException(detail="Resource cannot be updated")
     return Projects(**dict(rows))
 
 
-# Depends on scopes. Only admins should be able to delete them.
 @router.delete(
     "/projects/{id}",
     responses={200: {"model": DeleteResponse}, 400: {"model": NotFoundMessage}},
 )
+@has_admin_role()
 @router.limiter.limit("3/minute")
 async def delete_project(
     request: RouteRequest,
@@ -238,11 +261,11 @@ class CreateProject(BaseModel):
     founded_at: datetime.datetime
 
 
-# Depends on roles, admins can only use this endpoint
 @router.post(
     "/projects/create",
     responses={200: {"model": PartialProjects}, 422: {"model": HTTPExceptionMessage}},
 )
+@has_admin_role()
 @router.limiter.limit("5/minute")
 async def create_project(
     request: RouteRequest,
@@ -337,7 +360,6 @@ class BulkJoinMember(BaseModel):
     id: uuid.UUID
 
 
-# Depends on admin roles
 @router.post(
     "/projects/{id}/bulk-join",
     responses={
@@ -346,6 +368,7 @@ class BulkJoinMember(BaseModel):
         409: {"model": HTTPExceptionMessage},
     },
 )
+@has_any_role("admin", "leads")
 @router.limiter.limit("1/minute")
 async def bulk_join_project(
     request: RouteRequest,
@@ -421,6 +444,7 @@ class UpgradeMemberRole(BaseModel):
     include_in_schema=False,
     responses={200: {"model": DeleteResponse}},
 )
+@has_admin_role()
 @router.limiter.limit("3/minute")
 async def modify_member(
     request: RouteRequest,
diff --git a/server/routes/tags.py b/server/routes/tags.py
index 26570b1..606454c 100644
--- a/server/routes/tags.py
+++ b/server/routes/tags.py
@@ -10,6 +10,7 @@
 )
 from utils.request import RouteRequest
 from utils.responses import DeleteResponse
+from utils.roles import has_admin_role
 from utils.router import KanaeRouter
 
 router = KanaeRouter(tags=["Tags"])
@@ -73,8 +74,14 @@ class ModifiedTag(BaseModel):
     "/tags/{id}",
     responses={200: {"model": Tags}, 404: {"model": NotFoundMessage}},
 )
+@has_admin_role()
 @router.limiter.limit("5/minute")
-async def edit_tag(request: RouteRequest, id: int, req: ModifiedTag) -> Tags:
+async def edit_tag(
+    request: RouteRequest,
+    id: int,
+    req: ModifiedTag,
+    session: Annotated[SessionContainer, Depends(verify_session())],
+) -> Tags:
     """Modify specified tag"""
     query = """
     UPDATE tags
@@ -94,6 +101,7 @@ async def edit_tag(request: RouteRequest, id: int, req: ModifiedTag) -> Tags:
     "/tags/{id}",
     responses={200: {"model": DeleteResponse}, 404: {"model": NotFoundMessage}},
 )
+@has_admin_role()
 @router.limiter.limit("5/minute")
 async def delete_tag(
     request: RouteRequest,
@@ -113,6 +121,7 @@ async def delete_tag(
 
 
 @router.post("/tags/create", responses={200: {"model": Tags}})
+@has_admin_role()
 @router.limiter.limit("5/minute")
 async def create_tags(
     request: RouteRequest,
@@ -130,6 +139,7 @@ async def create_tags(
 
 
 @router.post("/tags/bulk-create", responses={200: {"model": list[Tags]}})
+@has_admin_role()
 @router.limiter.limit("1/minute")
 async def bulk_create_tags(
     request: RouteRequest,
diff --git a/server/routes/user.py b/server/routes/user.py
index 9ffd7aa..2e98e1d 100644
--- a/server/routes/user.py
+++ b/server/routes/user.py
@@ -20,7 +20,6 @@ class GetUser(BaseModel):
     responses={200: {"model": GetUser}, 404: {"model": NotFound}},
     name="Get users",
 )
-@router.limiter.limit("1/minute")
 async def get_users(request: RouteRequest) -> GetUser:
     query = "SELECT 1;"
     status = await request.app.pool.execute(query)
diff --git a/server/utils/roles.py b/server/utils/roles.py
new file mode 100644
index 0000000..321f2d1
--- /dev/null
+++ b/server/utils/roles.py
@@ -0,0 +1,101 @@
+# Current scopes:
+# read:
+#   all
+#   projects
+#   events
+#   tags
+# write:
+#   all
+#   events
+#   projects
+# ---------------
+# And current roles: admin, leads
+import functools
+import inspect
+from typing import Any, Callable, Coroutine, Optional, TypeVar
+
+from supertokens_python.exceptions import GeneralError
+from supertokens_python.recipe.session import SessionContainer
+from supertokens_python.recipe.session.exceptions import (
+    ClaimValidationError,
+    InvalidClaimsError,
+)
+from supertokens_python.recipe.userroles import UserRoleClaim
+
+T = TypeVar("T")
+
+Coro = Coroutine[Any, Any, T]
+CoroFunc = Callable[..., Coro[Any]]
+
+
+def validate_parameters(func: CoroFunc):
+    sig = inspect.signature(func)
+    if not sig.parameters.get("session"):
+        raise GeneralError(
+            f"No <session> argument found within function <{func.__name__}>"
+        )
+
+
+def has_role(item: str, /):
+    def decorator(func: CoroFunc) -> CoroFunc:
+        validate_parameters(func)
+
+        @functools.wraps(func)
+        async def wrapper(
+            session: Optional[SessionContainer], *args, **kwargs
+        ) -> CoroFunc:
+            if not session:
+                raise GeneralError("Must have valid session")
+
+            roles = await session.get_claim_value(UserRoleClaim)
+            if not roles or item not in roles:
+                raise InvalidClaimsError(
+                    f"User does not have role <{item}>",
+                    [ClaimValidationError(UserRoleClaim.key, None)],
+                )
+
+            return await func(*args, **kwargs)
+
+        return wrapper
+
+    return decorator
+
+
+def has_any_role(*items: str):
+    def decorator(func: CoroFunc) -> CoroFunc:
+        validate_parameters(func)
+
+        @functools.wraps(func)
+        async def wrapper(
+            session: Optional[SessionContainer], *args, **kwargs
+        ) -> CoroFunc:
+            if not session:
+                raise GeneralError("Must have valid session")
+
+            user_roles = await session.get_claim_value(UserRoleClaim)
+
+            if not user_roles:
+                raise InvalidClaimsError(
+                    f"User does not any roles listed: {', '.join(role for role in items).rstrip()}",
+                    [ClaimValidationError(UserRoleClaim.key, None)],
+                )
+            if not any(role in user_roles for role in items):
+                # May need to be tested more
+                raise InvalidClaimsError(
+                    f"Missing Roles: {', '.join(role for role in items if role not in user_roles).rstrip()}",
+                    [ClaimValidationError(UserRoleClaim.key, None)],
+                )
+
+            return await func(*args, **kwargs)
+
+        return wrapper
+
+    return decorator
+
+
+def has_admin_role():
+    return has_role("admin")
+
+
+def has_leads_role():
+    return has_role("leads")