diff --git a/apps/www/src/app/(main)/server/v2/minehut/[server]/page.tsx b/apps/www/src/app/(main)/server/v2/minehut/[server]/page.tsx
index 954e707..2cda2db 100644
--- a/apps/www/src/app/(main)/server/v2/minehut/[server]/page.tsx
+++ b/apps/www/src/app/(main)/server/v2/minehut/[server]/page.tsx
@@ -1,5 +1,5 @@
 import { ServerProvider } from "@/components/feat/server-page/server-provider";
-import { ServerResponse } from "@/lib/types/mh-server";
+import type { ServerResponse } from "@/lib/types/mh-server";
 import type { Metadata } from "next";
 import { notFound } from "next/navigation";
 
diff --git a/apps/www/src/app/(sl-modification-frame)/servers/embedded/sl-modification-frame/files/page.tsx b/apps/www/src/app/(sl-modification-frame)/servers/embedded/sl-modification-frame/files/page.tsx
index b5a7af6..93e83cf 100644
--- a/apps/www/src/app/(sl-modification-frame)/servers/embedded/sl-modification-frame/files/page.tsx
+++ b/apps/www/src/app/(sl-modification-frame)/servers/embedded/sl-modification-frame/files/page.tsx
@@ -46,7 +46,6 @@ import {
   ArrowLeft,
   Braces,
   EllipsisVertical,
-  File,
   FileCode,
   Pencil,
   Trash,
@@ -76,7 +75,7 @@ export default function ServerListModificationFrame() {
         {files.map((c, i) => (
           <Link
             href={`/servers/embedded/sl-modification-frame/file/${c.name}`}
-            className="w-full py-1 px-2 rounded-xl flex items-center gap-1 justify-between hover:bg-slate-100"
+            className="w-full py-1 px-2 rounded-xl flex items-center gap-1 justify-between hover:bg-slate-100 dark:hover:bg-zinc-700/30"
             key={c.name}
           >
             <span className="flex items-center gap-1">
@@ -88,7 +87,7 @@ export default function ServerListModificationFrame() {
                 <DropdownMenuTrigger>
                   <Button
                     variant="tertiary"
-                    className="flex items-center justify-center hover:bg-slate-200"
+                    className="flex items-center justify-center hover:bg-slate-200 dark:hover:bg-zinc-700/60"
                     size="square-sm"
                   >
                     <EllipsisVertical
diff --git a/apps/www/src/app/globals.css b/apps/www/src/app/globals.css
index 0c05d96..b1073e8 100644
--- a/apps/www/src/app/globals.css
+++ b/apps/www/src/app/globals.css
@@ -225,6 +225,34 @@
   }
 }
 
+@keyframes loading-shimmer {
+  0% {
+    background-position: 125% 0;
+  }
+  100% {
+    background-position: -150% 0;
+  }
+}
+
+.loading-shimmer {
+  -webkit-text-fill-color: transparent;
+  animation-duration: 2.5s;
+  animation-iteration-count: infinite;
+  animation-name: loading-shimmer;
+  background: var(--color-muted-foreground)
+    linear-gradient(
+      90deg,
+      var(--color-muted-foreground) 0%,
+      var(--color-shadcn-primary) 50%,
+      var(--color-muted-foreground) 100%
+    );
+  background-clip: text;
+  -webkit-background-clip: text;
+  background-repeat: no-repeat;
+  background-size: 50% 200%;
+  display: inline-block;
+}
+
 /*
   The default border color has changed to `currentColor` in Tailwind CSS v4,
   so we've added these compatibility styles to make sure everything still
diff --git a/apps/www/src/components/feat/server-list/modification/modification-button.tsx b/apps/www/src/components/feat/server-list/modification/modification-button.tsx
index 5a1cd21..fbd024f 100644
--- a/apps/www/src/components/feat/server-list/modification/modification-button.tsx
+++ b/apps/www/src/components/feat/server-list/modification/modification-button.tsx
@@ -32,11 +32,11 @@ import { Button } from "@/components/ui/button";
 import { Dialog, DialogContent, DialogTrigger } from "@/components/ui/dialog";
 import { ModificationFrame } from "./modification-frame";
 
-export function ModificationButton() {
+export function ModificationButton({disabled}: {disabled?: boolean}) {
   return (
     <Dialog>
       <DialogTrigger>
-        <Button>Filters & Sorting</Button>
+        <Button disabled={disabled}>Filters & Sorting</Button>
       </DialogTrigger>
 
       <DialogContent className="p-0 h-[600px] w-[1000px] !max-w-[800px] overflow-x-hidden">
diff --git a/apps/www/src/components/feat/server-list/server-list.tsx b/apps/www/src/components/feat/server-list/server-list.tsx
index 8d56e3e..4340aa9 100644
--- a/apps/www/src/components/feat/server-list/server-list.tsx
+++ b/apps/www/src/components/feat/server-list/server-list.tsx
@@ -36,13 +36,14 @@ import { Separator } from "@/components/ui/separator";
 import { Statistics } from "./statistics";
 import InfiniteScroll from "react-infinite-scroll-component";
 import { useInfiniteScrolling } from "@/lib/hooks/use-infinite-scrolling";
-import { useMHSFServer } from "@/lib/hooks/use-mhsf-multiple";
 import { ModificationButton } from "./modification/modification-button";
 import { useFilters } from "@/lib/hooks/use-filters";
+import { ServerTestModeSelector } from "./server-test-mode-selector";
 
 export function ServerList() {
   const { servers, loading, serverCount, playerCount } = useServers();
-  const { filteredData } = useFilters(servers);
+  const { filteredData, testModeEnabled, testModeLoading, testModeStatus } =
+    useFilters(servers);
   const { itemsLength, fetchMoreData, hasMoreData, data } =
     useInfiniteScrolling(filteredData);
 
@@ -67,7 +68,14 @@ export function ServerList() {
       <h1 className="scroll-m-20 text-2xl font-extrabold tracking-tight lg:text-4xl">
         Servers
       </h1>
-      <ModificationButton />
+      <div className="flex items-center">
+        <ModificationButton disabled={testModeEnabled} />
+        <ServerTestModeSelector
+          testModeStatus={testModeStatus}
+          testModeEnabled={testModeEnabled}
+          testModeLoading={testModeLoading}
+        />
+      </div>
       <InfiniteScroll
         dataLength={itemsLength}
         next={fetchMoreData}
diff --git a/apps/www/src/components/feat/server-list/server-test-mode-selector.tsx b/apps/www/src/components/feat/server-list/server-test-mode-selector.tsx
new file mode 100644
index 0000000..d4b066f
--- /dev/null
+++ b/apps/www/src/components/feat/server-list/server-test-mode-selector.tsx
@@ -0,0 +1,36 @@
+import { AnimatedText } from "@/components/ui/animated-text";
+import { Tooltip, TooltipContent, TooltipTrigger } from "@/components/ui/tooltip";
+import { useQueryState } from "nuqs";
+
+export function ServerTestModeSelector({
+  testModeStatus,
+  testModeLoading,
+  testModeEnabled,
+}: {
+  testModeStatus: string;
+  testModeLoading: boolean;
+  testModeEnabled: boolean;
+}) {
+  const [tm] = useQueryState("tm", { defaultValue: "" });
+
+  if (testModeEnabled || tm !== "")
+    return (
+      <div className="pl-5 flex items-center gap-1">
+        <Tooltip>
+          <TooltipTrigger>
+        <span className="relative flex size-2.5 pt-[1px] items-center cursor-pointer">
+          <span className="absolute inline-flex h-full w-full animate-ping rounded-full bg-orange-400 opacity-75" />
+          <span className="relative inline-flex size-2.5 rounded-full bg-orange-500" />
+        </span></TooltipTrigger>
+        <TooltipContent>Test mode was enabled.</TooltipContent>
+        </Tooltip>
+        <AnimatedText
+          className="text-muted-foreground top-[2.5px] left-[6px] min-w-[70vw]"
+          text={testModeStatus}
+          glimmer
+        />
+      </div>
+    );
+
+  return null;
+}
diff --git a/apps/www/src/components/ui/animated-text.tsx b/apps/www/src/components/ui/animated-text.tsx
index be10d5c..50fdd01 100644
--- a/apps/www/src/components/ui/animated-text.tsx
+++ b/apps/www/src/components/ui/animated-text.tsx
@@ -6,9 +6,10 @@ import { cn } from "@/lib/utils";
 interface AnimatedTextProps {
   text: string;
   className?: string;
+  glimmer?: boolean;
 }
 
-export function AnimatedText({ text, className }: AnimatedTextProps) {
+export function AnimatedText({ text, className, glimmer }: AnimatedTextProps) {
   const [currentText, setCurrentText] = useState(text);
 
   useEffect(() => {
@@ -24,7 +25,9 @@ export function AnimatedText({ text, className }: AnimatedTextProps) {
           animate={{ y: 0, opacity: 1 }}
           exit={{ y: -20, opacity: 0 }}
           transition={{ duration: 0.3 }}
-          className={cn("absolute left-0", className)}
+          className={cn("absolute left-0", className, {
+            "loading-shimmer": glimmer,
+          })}
         >
           {currentText}
         </motion.span>
diff --git a/apps/www/src/lib/hooks/use-filters.tsx b/apps/www/src/lib/hooks/use-filters.tsx
index d2bc0a7..6d143b9 100644
--- a/apps/www/src/lib/hooks/use-filters.tsx
+++ b/apps/www/src/lib/hooks/use-filters.tsx
@@ -39,6 +39,8 @@ export function useFilters(data: OnlineServer[]) {
   const [filteredData, setFilteredData] = useState<OnlineServer[]>(data);
   const [t] = useQueryState("tm");
   const [testModeEnabled, setTestModeEnabled] = useState(false);
+  const [testModeStatus, setTestModeStatus] = useState("Haven't connected thread yet (if stuck, select the other tab, and come back)");
+  const [testModeLoading, setTestModeLoading] = useState(true);
 
   useEffect(() => {
     if (filteredData.length === 0) setFilteredData(data);
@@ -54,68 +56,91 @@ export function useFilters(data: OnlineServer[]) {
           setTestModeEnabled(true);
           const code = atob(t);
           (async () => {
-            toast.info("Transpiling TypeScript...");
+            setTestModeStatus("Transpiling TypeScript...");
             const startTime = Date.now();
             const { error, data: transpiledCode } = await tryCatch(
               (async () => transpileTypeScript(code))()
             );
             if (error) {
-              toast.error(
+              setTestModeStatus(
                 "Failed to transpile TypeScript! Error: " + error.message
               );
+              setTestModeLoading(false);
               return;
             }
             if (transpiledCode === null) {
-              toast.error("Cannot continue.");
+              setTestModeStatus("Cannot continue.");
+              setTestModeLoading(false);
               return;
             }
             console.log(
               "[MHSF Filters] Transpiled TypeScript:",
               transpiledCode ?? ""
             );
-            toast.info("Generating function...");
-            const functionBody = transpiledCode.match(
-              /function\s+filter\s*\([^)]*\)\s*\{([\s\S]*)\}/
-            )?.[1];
+            setTestModeStatus("Generating function...");
+            if (
+              !transpiledCode.includes("export default") &&
+              !transpiledCode.includes("export")
+            ) {
+              setTestModeStatus(
+                "Transpiled code does not contain any export statements."
+              );
+              setTestModeLoading(false);
+              return;
+            }
+            const functionBody = transpiledCode
+              .replace(/export default(?!.*[;])/g, "") // Avoid replacing if followed by a semicolon
+              .replace(/export(?!.*[;])/g, ""); // Avoid replacing if followed by a semicolon
             const { error: filterErr, data: filterFunc } = await tryCatch(
-              (async () => new Function("server", functionBody as string))()
+              (async () =>
+                new Function(
+                  "server",
+                  `${functionBody}
+                
+                return filter(server)`
+                ))()
             );
             if (filterErr) {
-              toast.error(
+              setTestModeStatus(
                 `Failed to generate function! Error: ${filterErr.message}`
               );
+              setTestModeLoading(false);
               return;
             }
             if (typeof filterFunc === "function") {
-              toast.success("Compiled in " + (Date.now() - startTime) + "ms");
+              setTestModeStatus(
+                "Compiled in " + (Date.now() - startTime) + "ms"
+              );
               toast.promise(
                 async () => {
                   let newServers = [];
                   newServers = data.filter((c) => filterFunc(c));
-                  toast.info(
+                  setTestModeStatus(
                     "Server count " + data.length + " -> " + newServers.length
                   );
                   setFilteredData(() => [...newServers]);
+                  setTestModeLoading(false);
                 },
                 {
                   loading: "Manipulating data...",
                   success: "Manipulated data; test mode finished!",
                   error: (e) =>
-                    `Error while manipulating data; go back to your editor and run again. ${es}`,
+                    `Error while manipulating data; go back to your editor and run again. ${e}`,
                 }
               );
             } else {
-              toast.error(
+              setTestModeStatus(
                 "Code doesn't have a 'filter' function. Cannot be tested."
               );
-              toast.error(typeof filterFunc);
+              setTestModeLoading(false);
             }
           })();
         }
       });
   }, [t, data]);
 
-  console.log(filteredData);
+  console.log(filteredData, testModeStatus);
 
-  return { filteredData, testModeEnabled };
+  return { filteredData, testModeEnabled, testModeLoading, testModeStatus };
 }
+ 
\ No newline at end of file
diff --git a/biome.json b/biome.json
new file mode 100644
index 0000000..3270c88
--- /dev/null
+++ b/biome.json
@@ -0,0 +1,12 @@
+{
+  "$schema": "./node_modules/@biomejs/biome/configuration_schema.json",
+	"linter": {
+		"rules": {
+			"style": {
+				"useImportType": {
+                    "level": "warn"
+                }
+			}
+		}
+	}
+}