diff --git a/Cargo.lock b/Cargo.lock
index c78e539..ad45522 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -682,6 +682,9 @@ dependencies = [
 [[package]]
 name = "shared"
 version = "0.1.0"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "signal-hook-registry"
diff --git a/client/src/main.rs b/client/src/main.rs
index 17c143e..1e4a3b1 100644
--- a/client/src/main.rs
+++ b/client/src/main.rs
@@ -3,22 +3,10 @@ use ringbuf::{
     HeapRb,
     traits::{Consumer, Observer, Producer, Split},
 };
-use serde::{Deserialize, Serialize};
+use shared::{ConectionResponse, ResponseStatus};
 use std::sync::Arc;
 use tokio::net::{TcpStream, UdpSocket};
 
-#[derive(Serialize, Deserialize, PartialEq)]
-enum ResponseStatus {
-    Ok,
-    Err,
-}
-
-#[derive(Serialize, Deserialize)]
-struct ConectionResponse {
-    status: ResponseStatus,
-    client_id: u32,
-}
-
 #[tokio::main]
 async fn main() {
     let server_address = "127.0.0.1:8080";
@@ -34,15 +22,13 @@ async fn main() {
 
     match tcp_stream.try_read(&mut tcp_buf) {
         Ok(n) => {
-            // let connection_response = str::from_utf8(&tcp_buf[0..n]).expect("failed to create str");
-
             let connection_response: ConectionResponse =
                 serde_json::from_slice(&tcp_buf[0..n]).unwrap();
 
             session_client_id = connection_response.client_id;
 
             println!(
-                "tcp response status: {}, clientId: {}",
+                "tcp response status Ok: {}, clientId: {}",
                 connection_response.status == ResponseStatus::Ok,
                 connection_response.client_id
             );
diff --git a/server/src/main.rs b/server/src/main.rs
index 1dc72ae..59d39ec 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -1,7 +1,6 @@
-use serde::{Deserialize, Serialize};
+use shared::{ConectionResponse, ResponseStatus};
 use std::sync::Arc;
 use std::{collections::HashMap, net::SocketAddr};
-
 use tokio::io::AsyncWriteExt;
 use tokio::{
     net::{TcpListener, UdpSocket},
@@ -15,18 +14,6 @@ struct Client {
 
 type State = Arc<RwLock<HashMap<u32, Client>>>;
 
-#[derive(Serialize, Deserialize)]
-enum ResponseStatus {
-    Ok,
-    Err,
-}
-
-#[derive(Serialize, Deserialize)]
-struct ConectionResponse {
-    status: ResponseStatus,
-    client_id: u32,
-}
-
 #[tokio::main]
 async fn main() {
     let listen_address = "0.0.0.0:8080";
diff --git a/shared/Cargo.toml b/shared/Cargo.toml
index 5e22169..cf64502 100644
--- a/shared/Cargo.toml
+++ b/shared/Cargo.toml
@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+serde = { version = "1.0.229", features = ["derive"] }
diff --git a/shared/src/lib.rs b/shared/src/lib.rs
index b93cf3f..513c4bc 100644
--- a/shared/src/lib.rs
+++ b/shared/src/lib.rs
@@ -1,14 +1,13 @@
-pub fn add(left: u64, right: u64) -> u64 {
-    left + right
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, PartialEq)]
+pub enum ResponseStatus {
+    Ok,
+    Err,
 }
 
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
-    }
+#[derive(Serialize, Deserialize)]
+pub struct ConectionResponse {
+    pub status: ResponseStatus,
+    pub client_id: u32,
 }