diff --git a/.gitea/workflows/debug-cmd-agent.yml b/.gitea/workflows/debug-cmd-agent.yml
new file mode 100644
index 000000000..c01be3ac6
--- /dev/null
+++ b/.gitea/workflows/debug-cmd-agent.yml
@@ -0,0 +1,44 @@
+name: Debug CMD Agent
+
+on:
+  push:
+    branches:
+      - 'debug/cmd-agent'
+
+jobs:
+  debug:
+    name: Debug CMD Agent
+    runs-on: host
+    timeout-minutes: 5
+    steps:
+      - name: Diagnose
+        shell: bash
+        run: |
+          set +e
+          echo "=== 1. CMD Agent config ==="
+          cat /opt/xiaoxia-cmd-agent/config.json 2>/dev/null || cat /opt/xiaoxia-cmd-agent/config.yaml 2>/dev/null || echo "no config found"
+          ls -la /opt/xiaoxia-cmd-agent/ 2>/dev/null
+
+          echo ""
+          echo "=== 2. CMD Agent process ==="
+          ps aux | grep cmd-agent | grep -v grep
+
+          echo ""
+          echo "=== 3. Local curl test (127.0.0.1:18888) ==="
+          curl -s -X POST http://127.0.0.1:18888/cmd-agent/exec \
+            -H "Authorization: Bearer xsa-f2778a6953d59948cd1e5be4d99f60f7" \
+            -H "Content-Type: application/json" \
+            -d '{"command":"hostname"}' 2>&1 || echo "FAILED"
+
+          echo ""
+          echo "=== 4. Nginx config for cmd-agent ==="
+          grep -r "cmd-agent" /etc/nginx/sites-enabled/ 2>/dev/null || \
+          grep -r "cmd-agent" /etc/nginx/conf.d/ 2>/dev/null || \
+          echo "no nginx cmd-agent config found"
+
+          echo ""
+          echo "=== 5. Nginx access log (last 5 lines) ==="
+          tail -5 /var/log/nginx/access.log 2>/dev/null | grep cmd || echo "no log"
+
+          echo ""
+          echo "=== DONE ==="