Add mcp configuration

hm/mcp.nix

@@ -7,6 +7,10 @@
           command = "nix";
           args = [ "run" "github:utensils/mcp-nixos" "--" ];
         };
+        mcp-ctl = {
+          command = "nix";
+          args = [ "run" "gitlab:fberto/llm-agent-tests?host=gitlab.cern.ch" ];
+        };
       };
     };
 
@@ -52,6 +56,10 @@
           todowrite = true;
           todoread = true;
           webfetch = true;
+
+          lsp = true;
+          skill = true;
+          question = true;
         };
 
         lsp = {