diff --git a/src/NodeConnections.tsx b/src/NodeConnections.tsx
index 6f15c68..e7ad90b 100644
--- a/src/NodeConnections.tsx
+++ b/src/NodeConnections.tsx
@@ -44,6 +44,11 @@ export default function NodeConnections({ nodeId }: { nodeId: string }) {
         if (!baseUrl) throw new Error('VITE_WS_BASE_URL is not configured.')
 
         const token = localStorage.getItem('access_token')
+        if (!token) {
+          throw new Error(
+          'Authentication required. Please log in again.'
+            )
+        }
         const response = await fetch(
           `${apiBaseUrl.replace(/\/$/, '')}/spock/node-interfaces/${encodeURIComponent(nodeId)}`,
           {
@@ -69,8 +74,10 @@ export default function NodeConnections({ nodeId }: { nodeId: string }) {
         }
         if (!active) return
 
+        const wstoken = token
+        if (!wstoken) throw new Error('Authentication required. Get a token from the Nodes page, then reconnect.')
         setStatus('Connecting to replication health…')
-        const connection = new WebSocket(`${baseUrl.replace(/\/$/, '')}/ws/node/replication-health`)
+        const connection = new WebSocket(`${baseUrl.replace(/\/$/, '')}/ws/node/replication-health?token=${encodeURIComponent(wstoken)}`)
         socket = connection
         connection.onopen = () => {
           if (!active) return
diff --git a/src/useDatabaseStatus.ts b/src/useDatabaseStatus.ts
index c61fbbb..763a142 100644
--- a/src/useDatabaseStatus.ts
+++ b/src/useDatabaseStatus.ts
@@ -61,7 +61,12 @@ export default function useDatabaseStatus(nodeId: string, nodeName: string) {
         }
         if (!active) return
         setConnection('Connecting…')
-        const current = new WebSocket(`${wsBaseUrl.replace(/\/$/, '')}/ws/database/status`)
+        const wstoken = token
+        if (!wstoken?.trim()) {
+          setConnection('Connection skipped: JWT URL parameter required')
+          return
+        }
+        const current = new WebSocket(`${wsBaseUrl.replace(/\/$/, '')}/ws/database/status?token=${encodeURIComponent(wstoken)}`)
         socket = current
         current.onopen = () => {
           if (!active) return
diff --git a/src/useNodeDatabaseMetric.ts b/src/useNodeDatabaseMetric.ts
index 7edc013..39819e2 100644
--- a/src/useNodeDatabaseMetric.ts
+++ b/src/useNodeDatabaseMetric.ts
@@ -51,7 +51,12 @@ export default function useNodeDatabaseMetric<T>(
         }
         if (!active) return
         setConnection('Connecting…')
-        const current = new WebSocket(`${wsBaseUrl.replace(/\/$/, '')}/ws/database/${endpoint}`)
+        const wstoken = token
+        if (!wstoken?.trim()) {
+          setConnection('Connection skipped: JWT URL parameter required')
+          return
+        }
+        const current = new WebSocket(`${wsBaseUrl.replace(/\/$/, '')}/ws/database/${endpoint}?token=${encodeURIComponent(wstoken)}`)
         socket = current
         current.onopen = () => {
           if (!active) return