Enough to use

lib/mcp.rb

@@ -4,6 +4,7 @@ require_relative "mcp/version"
 
 module Mcp
   class Error < StandardError; end
+  class ClientDisconnectedError < Error; end
 
   class Client
     def tools
@@ -20,11 +21,10 @@ module Mcp
     private
 
     def respond_to_missing?(name, include_private = false)
-      @tools.any? { |tool| tool["name"] == name.to_s } || super
     end
 
     def method_missing(name, **kwargs)
-      @client.call_tool(name, **kwargs)
+      @client.call_tool(name.to_s, kwargs)
     end
   end
 end