diff --git a/addons/rpc_helper/decorator.py b/addons/rpc_helper/decorator.py
new file mode 100644
index 0000000..99c875c
--- /dev/null
+++ b/addons/rpc_helper/decorator.py
@@ -0,0 +1,19 @@
+# Copyright 2022 Camptocamp SA
+# @author: Simone Orsi <simone.orsi@camptocamp.com>
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+
+def disable_rpc(*config):
+    """Decorate classes to disable RPC calls.
+
+    Possible values:
+
+    * none, block all methods
+    * *("$method_name1", "$method_name2"), blocks calls to specific methods
+    """
+
+    def _decorator(target):
+        target._disable_rpc = ("all",) if len(config) == 0 else config
+        return target
+
+    return _decorator