diff --git a/packages/toolbox-core/src/toolbox_core/client.py b/packages/toolbox-core/src/toolbox_core/client.py
index 193001c6..e59a934b 100644
--- a/packages/toolbox-core/src/toolbox_core/client.py
+++ b/packages/toolbox-core/src/toolbox_core/client.py
@@ -88,8 +88,8 @@ def __parse_tool(
             base_url=self.__base_url,
             name=name,
             description=schema.description,
-            params=params,
-            # create a read-only values for the maps to prevent mutation
+            # create a read-only values to prevent mutation
+            params=tuple(params),
             required_authn_params=types.MappingProxyType(authn_params),
             auth_service_token_getters=types.MappingProxyType(auth_token_getters),
             bound_params=types.MappingProxyType(bound_params),
diff --git a/packages/toolbox-core/src/toolbox_core/sync_tool.py b/packages/toolbox-core/src/toolbox_core/sync_tool.py
index ad24e8e3..ec05d9e0 100644
--- a/packages/toolbox-core/src/toolbox_core/sync_tool.py
+++ b/packages/toolbox-core/src/toolbox_core/sync_tool.py
@@ -16,8 +16,9 @@
 from asyncio import AbstractEventLoop
 from inspect import Signature
 from threading import Thread
-from typing import Any, Callable, Mapping, TypeVar, Union
+from typing import Any, Callable, Coroutine, Mapping, Sequence, TypeVar, Union
 
+from .protocol import ParameterSchema
 from .tool import ToolboxTool
 
 T = TypeVar("T")
@@ -63,7 +64,7 @@ def __init__(
         # itself is being processed during module import or class definition.
         # Defining __qualname__ as a property leads to a TypeError because the class object needs
         # a string value immediately, not a descriptor that evaluates later.
-        self.__qualname__ = f"{self.__class__.__qualname__}.{self.__name__}"
+        self.__qualname__ = f"{self.__class__.__qualname__}.{self.__async_tool._name}"
 
     @property
     def __name__(self) -> str:
@@ -87,6 +88,34 @@ def __annotations__(self) -> dict[str, Any]:  # type: ignore[override]
         # Mypy flags this issue in the type checks.
         return self.__async_tool.__annotations__
 
+    @property
+    def _name(self) -> str:
+        return self.__async_tool._name
+
+    @property
+    def _description(self) -> str:
+        return self.__async_tool._description
+
+    @property
+    def _params(self) -> Sequence[ParameterSchema]:
+        return self.__async_tool._params
+
+    @property
+    def _bound_params(self) -> Mapping[str, Union[Callable[[], Any], Any]]:
+        return self.__async_tool._bound_params
+
+    @property
+    def _required_auth_params(self) -> Mapping[str, list[str]]:
+        return self.__async_tool._required_auth_params
+
+    @property
+    def _auth_service_token_getters(self) -> Mapping[str, Callable[[], str]]:
+        return self.__async_tool._auth_service_token_getters
+
+    @property
+    def _client_headers(self) -> Mapping[str, Union[Callable, Coroutine, str]]:
+        return self.__async_tool._client_headers
+
     def __call__(self, *args: Any, **kwargs: Any) -> str:
         """
         Synchronously calls the remote tool with the provided arguments.
diff --git a/packages/toolbox-core/src/toolbox_core/tool.py b/packages/toolbox-core/src/toolbox_core/tool.py
index 73ca0009..d9c0d0fe 100644
--- a/packages/toolbox-core/src/toolbox_core/tool.py
+++ b/packages/toolbox-core/src/toolbox_core/tool.py
@@ -12,9 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
-import types
+import copy
 from inspect import Signature
+from types import MappingProxyType
 from typing import Any, Callable, Coroutine, Mapping, Optional, Sequence, Union
 
 from aiohttp import ClientSession
@@ -113,6 +113,34 @@ def __init__(
         # map of client headers to their value/callable/coroutine
         self.__client_headers = client_headers
 
+    @property
+    def _name(self) -> str:
+        return self.__name__
+
+    @property
+    def _description(self) -> str:
+        return self.__description
+
+    @property
+    def _params(self) -> Sequence[ParameterSchema]:
+        return copy.deepcopy(self.__params)
+
+    @property
+    def _bound_params(self) -> Mapping[str, Union[Callable[[], Any], Any]]:
+        return MappingProxyType(self.__bound_parameters)
+
+    @property
+    def _required_auth_params(self) -> Mapping[str, list[str]]:
+        return MappingProxyType(self.__required_authn_params)
+
+    @property
+    def _auth_service_token_getters(self) -> Mapping[str, Callable[[], str]]:
+        return MappingProxyType(self.__auth_service_token_getters)
+
+    @property
+    def _client_headers(self) -> Mapping[str, Union[Callable, Coroutine, str]]:
+        return MappingProxyType(self.__client_headers)
+
     def __copy(
         self,
         session: Optional[ClientSession] = None,
@@ -258,11 +286,11 @@ def add_auth_token_getters(
             )
 
         # create a read-only updated value for new_getters
-        new_getters = types.MappingProxyType(
+        new_getters = MappingProxyType(
             dict(self.__auth_service_token_getters, **auth_token_getters)
         )
         # create a read-only updated for params that are still required
-        new_req_authn_params = types.MappingProxyType(
+        new_req_authn_params = MappingProxyType(
             identify_required_authn_params(
                 self.__required_authn_params, auth_token_getters.keys()
             )
@@ -300,5 +328,5 @@ def bind_parameters(
 
         return self.__copy(
             params=new_params,
-            bound_params=types.MappingProxyType(all_bound_params),
+            bound_params=MappingProxyType(all_bound_params),
         )