refactor: Add get_optional_attr helper function

- Add get_optional_attr helper function to standardize optional attribute access
- Update usages of getattr to use the new helper function
- Update CHANGELOG.md to reflect changes

CHANGELOG.md

@@ -5,14 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-# Changelog
+## [Unreleased]
 
-All notable changes to this project will be documented in this file.
+### Changed
+- 🎯 Added `get_optional_attr` helper function and standardized its usage throughout the codebase to improve consistency in optional attribute access
 
-The format is based on Keep a Changelog,
-and this project adheres to Semantic Versioning.
-
-## [0.0.13] - 2025-05-01
+## [0.0.13]- 2025-05-01
 
 ### Added
 

src/mcpo/main.py

@@ -16,13 +16,18 @@ from mcpo.utils.main import get_model_fields, get_tool_handler
 from mcpo.utils.auth import get_verify_api_key, APIKeyMiddleware
 
 
+def get_optional_attr(obj: any, attr: str) -> Optional[any]:
+    """Helper function to get an optional attribute from an object consistently"""
+    return getattr(obj, attr, None)
+
+
 async def create_dynamic_endpoints(app: FastAPI, api_dependency=None):
     session: ClientSession = app.state.session
     if not session:
         raise ValueError("Session is not initialized in the app state.")
 
     result = await session.initialize()
-    server_info = getattr(result, "serverInfo", None)
+    server_info = get_optional_attr(result, "serverInfo")
     if server_info:
         app.title = server_info.name or app.title
         app.description = (
@@ -36,9 +41,8 @@ async def create_dynamic_endpoints(app: FastAPI, api_dependency=None):
     for tool in tools:
         endpoint_name = tool.name
         endpoint_description = tool.description
-
         inputSchema = tool.inputSchema
-        outputSchema = getattr(tool, "outputSchema", None)
+        outputSchema = get_optional_attr(tool, "outputSchema")
 
         form_model_fields = get_model_fields(
             f"{endpoint_name}_form_model",