diff --git a/_data/rules.yml b/_data/rules.yml
index 0216beb..6d4ba8b 100644
--- a/_data/rules.yml
+++ b/_data/rules.yml
@@ -1532,9 +1532,90 @@ groups:
                 for: 3m
               - name: Nats high routes count
                 description: High number of NATS routes ({{ $value }}) for {{ $labels.instance }}
-                query: "gnatsd_routez_num_routes > 10"
+                query: "gnatsd_varz_routes > 10"
                 severity: warning
                 for: 3m
+              - name: Nats high memory usage
+                description: NATS server memory usage is above 200MB for {{ $labels.instance }}
+                query: "gnatsd_varz_mem > 200000000"
+                severity: warning
+                for: 5m
+              - name: Nats slow consumers
+                description: There are slow consumers in NATS for {{ $labels.instance }}
+                query: "gnatsd_varz_slow_consumers > 0"
+                severity: critical
+                for: 3m
+              - name: Nats server down
+                description: NATS server has been down for more than 5 minutes
+                query: "absent(gnatsd_connz_total)"
+                severity: critical
+                for: 5m
+              - name: High CPU usage on NATS server
+                description: NATS server is using more than 80% CPU for the last 5 minutes
+                query: "rate(gnatsd_varz_cpu[5m]) > 0.8"
+                severity: warning
+                for: 5m
+              - name: High number of connections in NATS
+                description: NATS server has more than 1000 active connections
+                query: "gnatsd_connz_num_connections > 1000"
+                severity: warning
+                for: 5m
+              - name: High JetStream store usage
+                description: JetStream store usage is over 80%
+                query: "gnatsd_varz_jetstream_stats_storage / gnatsd_varz_jetstream_config_max_storage > 0.8"
+                severity: warning
+                for: 5m
+              - name: High JetStream memory usage
+                description: JetStream memory usage is over 80%
+                query: "gnatsd_varz_jetstream_stats_memory / gnatsd_varz_jetstream_config_max_memory > 0.8"
+                severity: warning
+                for: 5m
+              - name: Nats high number of subscriptions
+                description: NATS server has more than 1000 active subscriptions
+                query: "gnatsd_connz_subscriptions > 1000"
+                severity: warning
+                for: 5m
+              - name: High pending messages in NATS
+                description: NATS server has more than 100,000 pending messages
+                query: "gnatsd_connz_pending_bytes > 100000"
+                severity: warning
+                for: 5m
+              - name: Errors in NATS
+                description: NATS server has encountered errors in the last 5 minutes
+                query: "increase(gnatsd_varz_jetstream_stats_api_errors[5m]) > 0"
+                severity: warning
+                for: 5m
+              - name: JetStream consumers exceeded
+                description: JetStream has more than 100 active consumers
+                query: "sum(gnatsd_varz_jetstream_stats_accounts) > 100"
+                severity: warning
+                for: 5m
+              - name: Frequent authentication timeouts in NATS
+                description: There have been more than 5 authentication timeouts in the last 5 minutes
+                query: "increase(gnatsd_varz_auth_timeout[5m]) > 5"
+                severity: warning
+                for: 5m
+              - name: Max payload size exceeded in NATS
+                description: The max payload size allowed by NATS has been exceeded
+                query: "max(gnatsd_varz_max_payload) > 1000000"
+                severity: critical
+                for: 5m
+              - name: Leaf node connection issue in NATS
+                description: No leaf node connections have been established in the last 5 minutes
+                query: "increase(gnatsd_varz_leafnodes[5m]) == 0"
+                severity: critical
+                for: 5m
+              - name: Max ping operations exceeded in NATS
+                description: The maximum number of ping operations in NATS has exceeded 50
+                query: "gnatsd_varz_ping_max > 50"
+                severity: warning
+                for: 5m
+              - name: Write deadline exceeded in NATS
+                description: The write deadline has been exceeded in NATS, indicating potential message delivery issues
+                query: "gnatsd_varz_write_deadline > 10"
+                severity: critical
+                for: 5m
+
 
       - name: Solr
         exporters:
diff --git a/dist/rules/nats/nats-exporter.yml b/dist/rules/nats/nats-exporter.yml
index 13eda2b..05a2413 100644
--- a/dist/rules/nats/nats-exporter.yml
+++ b/dist/rules/nats/nats-exporter.yml
@@ -32,10 +32,154 @@ groups:
         description: "High number of NATS subscriptions ({{ $value }}) for {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
 
     - alert: NatsHighRoutesCount
-      expr: 'gnatsd_routez_num_routes > 10'
+      expr: 'gnatsd_varz_routes > 10'
       for: 3m
       labels:
         severity: warning
       annotations:
         summary: Nats high routes count (instance {{ $labels.instance }})
         description: "High number of NATS routes ({{ $value }}) for {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: NatsHighMemoryUsage
+      expr: 'gnatsd_varz_mem > 200000000' # Adjust based on NATS instance sizing
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: NATS high memory usage (instance {{ $labels.instance }})
+        description: "NATS server memory usage is above 200MB for {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: NatsSlowConsumers
+      expr: 'gnatsd_varz_slow_consumers > 0'
+      for: 3m
+      labels:
+        severity: critical
+      annotations:
+        summary: Slow consumers in NATS (instance {{ $labels.instance }})
+        description: "There are slow consumers in NATS for {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: NatsServerDown
+      expr: absent(gnatsd_connz_total)
+      for: 5m
+      labels:
+        severity: critical
+      annotations:
+        summary: "NATS server is down"
+        description: "NATS server has been down for more than 5 minutes."
+
+    - alert: HighNatsCpuUsage
+      expr: rate(gnatsd_varz_cpu[5m]) > 0.8
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: "High CPU usage on NATS server"
+        description: "NATS server is using more than 80% CPU for the last 5 minutes."
+
+    - alert: HighNatsConnections
+      expr: gnatsd_connz_num_connections > 1000
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: "High number of connections in NATS"
+        description: "NATS server has more than 1000 active connections."
+
+    - alert: HighJetStreamStoreUsage
+      expr: gnatsd_varz_jetstream_stats_storage / gnatsd_varz_jetstream_config_max_storage > 0.8
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: "High JetStream store usage"
+        description: "JetStream store usage is over 80%."
+
+    - alert: HighJetStreamMemoryUsage
+      expr: gnatsd_varz_jetstream_stats_memory / gnatsd_varz_jetstream_config_max_memory > 0.8
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: "High JetStream memory usage"
+        description: "JetStream memory usage is over 80%."
+
+    - alert: NatsSubscriptionsExceeded
+      expr: gnatsd_connz_subscriptions > 1000
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: "High number of subscriptions in NATS"
+        description: "NATS server has more than 1000 active subscriptions."
+
+    - alert: NatsMessagesPending
+      expr: gnatsd_connz_pending_bytes > 100000
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: "High number of pending messages in NATS"
+        description: "NATS server has more than 100,000 pending messages."
+
+    - alert: NatsErrors
+      expr: increase(gnatsd_varz_jetstream_stats_api_errors[5m]) > 0
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: "Errors in NATS"
+        description: "NATS server has encountered errors in the last 5 minutes."
+
+    - alert: JetStreamConsumersExceeded
+      expr: sum(gnatsd_varz_jetstream_stats_accounts) > 100
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: "High number of JetStream consumers"
+        description: "JetStream has more than 100 active consumers."
+
+    - alert: NatsAuthTimeouts
+      expr: increase(gnatsd_varz_auth_timeout[5m]) > 5
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: "Frequent authentication timeouts on NATS"
+        description: "There have been more than 5 authentication timeouts in the last 5 minutes."
+
+    - alert: NatsMaxPayloadExceeded
+      expr: max(gnatsd_varz_max_payload) > 1000000
+      for: 5m
+      labels:
+        severity: critical
+      annotations:
+        summary: "Max payload size exceeded in NATS"
+        description: "The max payload size allowed by NATS has been exceeded."
+
+    - alert: NatsLeafNodeIssues
+      expr: increase(gnatsd_varz_leafnodes[5m]) == 0
+      for: 5m
+      labels:
+        severity: critical
+      annotations:
+        summary: "Leaf node connection issue in NATS"
+        description: "No leaf node connections have been established in the last 5 minutes."
+
+    - alert: NatsPingMaxExceeded
+      expr: gnatsd_varz_ping_max > 50
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: "Max ping operations exceeded in NATS"
+        description: "The maximum number of ping operations in NATS has exceeded 50."
+
+    - alert: NatsWriteDeadlineExceeded
+      expr: gnatsd_varz_write_deadline > 10
+      for: 5m
+      labels:
+        severity: critical
+      annotations:
+        summary: "Write deadline exceeded in NATS"
+        description: "The write deadline has been exceeded in NATS, indicating potential message delivery issues."