diff --git a/packages/npm/reverse/src/operation-handlers/reverse.test.ts b/packages/npm/reverse/src/operation-handlers/reverse.test.ts
new file mode 100644
index 0000000..cf44b9e
--- /dev/null
+++ b/packages/npm/reverse/src/operation-handlers/reverse.test.ts
@@ -0,0 +1,28 @@
+import assert from "assert";
+import test from "node:test";
+import * as api from "reverse-api";
+import * as operationHandlers from "../operation-handlers/index.js";
+
+test("reverse", async () => {
+  const server = new api.Server();
+
+  // register only one operation handler
+  server.registerReverseOperation(operationHandlers.reverse);
+
+  await using listener = await api.lib.listen(server);
+
+  const result = await api.reverse(
+    {
+      contentType: "text/plain",
+      value: () => "123",
+    },
+    {},
+    { baseUrl: new URL(`http://localhost:${listener.port}`) },
+  );
+
+  assert(result.status === 200);
+
+  const resultValue = await result.value();
+
+  assert.equal(resultValue, "321");
+});
diff --git a/scripts/generate.js b/scripts/generate.js
index 7e88014..f277fd2 100755
--- a/scripts/generate.js
+++ b/scripts/generate.js
@@ -26,4 +26,7 @@ for (const name of names) {
     ],
     options,
   );
+
+  cp.execFileSync("npm", ["--workspace", name, "ci"], options);
+  cp.execFileSync("npm", ["--workspace", name, "run", "build"], options);
 }