diff --git a/cc-tweaked/host.ts b/cc-tweaked/host.ts
index 50dad33..18e659e 100755
--- a/cc-tweaked/host.ts
+++ b/cc-tweaked/host.ts
@@ -1,32 +1,29 @@
 #!/bin/env -S deno run --allow-read --allow-net
 
 async function main() {
-	const [program_path] = Deno.args;
-	if (program_path === undefined) fail_with("Usage: host.ts <program_path>");
 	const port = 1728;
-	const server = Deno.serve({ port }, () => handle(program_path));
+	const server = Deno.serve({ port }, (request) => handle(request));
 	await server.finished;
 }
 
-async function handle(program_path: string) {
-	console.log("Serving", program_path);
-	const file = await try_else(
-		() => Deno.open(program_path, { read: true }),
-		() => fail_with("Program at", program_path, "does not exists"),
-	);
-	return new Response(file.readable);
+async function handle(request: Request) {
+	const script = await open_requested_script(request);
+	if (script instanceof Response) return script;
+	console.log("Serving", script.path);
+	return new Response(script.content.readable);
 }
 
-function fail_with(...message: string[]) {
-	console.error(...message);
-	return Deno.exit(1);
-}
-
-async function try_else<T>(operation: () => T | Promise<T>, on_error: (error: unknown) => T | Promise<T>) {
+async function open_requested_script(request: Request) {
+	const requested_path = new URL(request.url).pathname.slice(1);
+	const invalid = () => new Response("Invalid script.", { status: 400 });
+	if (requested_path.includes("/")) return invalid();
+	if (requested_path.includes(".")) return invalid();
 	try {
-		return await operation();
-	} catch (error) {
-		return await on_error(error);
+		const path = "./scripts/" + requested_path + ".lua";
+		const content = await Deno.open(path, { read: true });
+		return { path, content };
+	} catch (_) {
+		return new Response("Unknown script.", { status: 400 });
 	}
 }