diff --git a/public/assets/js/server-show.js b/public/assets/js/server-show.js
index 7ba0230..a667c15 100644
--- a/public/assets/js/server-show.js
+++ b/public/assets/js/server-show.js
@@ -152,9 +152,10 @@ function confirmAgentAction() {
 
     closeAgentModal();
 
-    fetch('/servers/serverId/agent/' + action, {
+    fetch('/servers/' + serverId + '/agent/' + action, {
         method: 'POST',
         headers: {
+            'Accept': 'application/json',
             'Content-Type': 'application/x-www-form-urlencoded',
             'X-CSRF-Token': getCsrfToken(),
         },
@@ -192,9 +193,10 @@ function copyAgentKey() {
 function regenerateAgentKey() {
     if (!confirm('Regenerate agent key? The current key will stop working immediately.')) return;
 
-    fetch('/servers/serverId/agent/regenerate-key', {
+    fetch('/servers/' + serverId + '/agent/regenerate-key', {
         method: 'POST',
         headers: {
+            'Accept': 'application/json',
             'Content-Type': 'application/x-www-form-urlencoded',
             'X-CSRF-Token': getCsrfToken(),
         },
@@ -221,9 +223,10 @@ function serverAction(action) {
         if (!confirm('Are you sure you want to ' + action + ' this server?')) return;
     }
 
-    fetch('/servers/serverId/' + action, {
+    fetch('/servers/' + serverId + '/' + action, {
         method: 'POST',
         headers: {
+            'Accept': 'application/json',
             'Content-Type': 'application/x-www-form-urlencoded',
             'X-CSRF-Token': getCsrfToken(),
         },
@@ -240,9 +243,10 @@ function restartService() {
     const service = prompt('Enter service name to restart (e.g., nginx, mysql, apache2):');
     if (!service) return;
 
-    fetch('/servers/serverId/restart-service', {
+    fetch('/servers/' + serverId + '/restart-service', {
         method: 'POST',
         headers: {
+            'Accept': 'application/json',
             'Content-Type': 'application/x-www-form-urlencoded',
             'X-CSRF-Token': getCsrfToken(),
         },
@@ -256,7 +260,9 @@ function restartService() {
 }
 
 function refreshMetrics() {
-    fetch('/servers/serverId/metrics')
+    fetch('/servers/' + serverId + '/metrics', {
+        headers: { 'Accept': 'application/json' },
+    })
         .then(r => r.json())
         .then(data => {
             if (data.success && data.data) {
@@ -303,9 +309,10 @@ function saveThresholds() {
 
     document.querySelector('#thresholdModal .btn-primary').disabled = true;
 
-    fetch('/servers/serverId/thresholds', {
+    fetch('/servers/' + serverId + '/thresholds', {
         method: 'POST',
         headers: {
+            'Accept': 'application/json',
             'Content-Type': 'application/x-www-form-urlencoded',
             'X-CSRF-Token': getCsrfToken(),
         },