diff --git a/frontend/src/components/server/server_detail.vue b/frontend/src/components/server/server_detail.vue
index 6abd0b5..3c456d8 100644
--- a/frontend/src/components/server/server_detail.vue
+++ b/frontend/src/components/server/server_detail.vue
@@ -1,10 +1,10 @@
 <template>
   <div>
     <div>
-      {{server}}
-      <button @click="remove">Remove</button>
-    </div>
+      <h3>server : {{server.name}} <button @click="remove">Remove</button></h3>
 
+    </div>
+  <hr>
   </div>
 
 </template>
@@ -29,7 +29,7 @@ async function remove(){
   if (response.ok) {
     emit('remove')
   } else {
-    console.error("Failed to fetch servers:", response.statusText)
+    console.error("Failed to delete server:", response.statusText)
   }
 }
 
diff --git a/src/network/http/web/api/category.rs b/src/network/http/web/api/category.rs
index 23e949c..68cc52f 100644
--- a/src/network/http/web/api/category.rs
+++ b/src/network/http/web/api/category.rs
@@ -1,8 +1,9 @@
 use axum::{Extension, Json};
-use axum::extract::{Path, State};
+use axum::extract::{Path, State, Query};
 use axum::http::{Extensions, StatusCode};
 use axum::routing::{delete, get, post, put};
 use sea_orm::{ActiveModelTrait, EntityTrait, IntoActiveModel};
+use serde::Deserialize;
 use uuid::Uuid;
 use crate::app::AppState;
 use crate::models::category;
@@ -19,13 +20,26 @@ pub fn setup_route() -> AppRouter {
         .route("/categories/{id}/", delete(category_delete))
 }
 
+#[derive(Deserialize)]
+pub struct CategoryQuery {
+    pub server_id: Option<Uuid>,
+}
+
 pub async fn category_list(
     State(app_state): State<AppState>,
-    Extension(ctx): Extension<RequestContext>
+    Extension(_ctx): Extension<RequestContext>,
+    Query(query): Query<CategoryQuery>
 ) -> Result<Json<Vec<CategorySerializer>>, HTTPError> {
-    let categories = category::Entity::find()
-        .all(app_state.db.get_connection())
-        .await?;
+    let categories = if let Some(server_id) = query.server_id {
+        app_state.repositories.category
+            .get_by_server_id(server_id)
+            .await?
+    } else {
+        app_state.repositories.category
+            .get_all()
+            .await?
+    };
+
 
     Ok(Json(categories.into_iter().map(CategorySerializer::from).collect()))
 }
diff --git a/src/repositories/category.rs b/src/repositories/category.rs
index 281759d..1c2137b 100644
--- a/src/repositories/category.rs
+++ b/src/repositories/category.rs
@@ -1,5 +1,7 @@
 use std::sync::Arc;
-use sea_orm::{DbErr, EntityTrait, ActiveModelTrait};
+use sea_orm::{
+    ActiveModelTrait, ColumnTrait, DbErr, EntityTrait, QueryFilter,
+};
 use crate::models::category;
 use crate::repositories::RepositoryContext;
 
@@ -13,6 +15,17 @@ impl CategoryRepository {
         category::Entity::find_by_id(id).one(&self.context.db).await
     }
 
+    pub async fn get_all(&self) -> Result<Vec<category::Model>, DbErr> {
+        category::Entity::find().all(&self.context.db).await
+    }
+
+    pub async fn get_by_server_id(&self, server_id: uuid::Uuid) -> Result<Vec<category::Model>, DbErr> {
+        category::Entity::find()
+            .filter(category::Column::ServerId.eq(server_id))
+            .all(&self.context.db)
+            .await
+    }
+
     pub async fn update(&self, active: category::ActiveModel) -> Result<category::Model, DbErr> {
         let category = active.update(&self.context.db).await?;
         self.context.events.emit("Category_updated", category.clone());
diff --git a/src/repositories/mod.rs b/src/repositories/mod.rs
index 63e257a..8dea626 100644
--- a/src/repositories/mod.rs
+++ b/src/repositories/mod.rs
@@ -1,7 +1,11 @@
 use std::sync::Arc;
 use sea_orm::DatabaseConnection;
 use crate::event_bus::EventBus;
+use crate::repositories::category::CategoryRepository;
+use crate::repositories::channel::ChannelRepository;
+use crate::repositories::message::MessageRepository;
 use crate::repositories::server::ServerRepository;
+use crate::repositories::user::UserRepository;
 
 mod server;
 mod category;
@@ -18,6 +22,10 @@ pub struct RepositoryContext {
 #[derive(Clone)]
 pub struct Repositories {
     pub server: ServerRepository,
+    pub category: CategoryRepository,
+    pub channel: ChannelRepository,
+    pub message: MessageRepository,
+    pub user: UserRepository,
 }
 
 impl Repositories {
@@ -26,6 +34,10 @@ impl Repositories {
 
         Self {
             server: ServerRepository {context: context.clone()},
+            category: CategoryRepository {context: context.clone()},
+            channel: ChannelRepository {context: context.clone()},
+            message: MessageRepository {context: context.clone()},
+            user: UserRepository {context: context.clone()},
         }
     }
 }
\ No newline at end of file