Internal Release 0.2.4

- remove activesupport as a runtime dependency
- use alternative to activesupport/inflector methods
- use `json_rpc_handler` gem
- add json_rpc_handler to gem dependencies

lib/model_context_protocol/tool.rb

@@ -31,7 +31,7 @@ module ModelContextProtocol
       end
 
       def name_value
-        @name_value || name.demodulize.underscore
+        @name_value || StringUtils.handle_from_class_name(name)
       end
 
       def description(value)