Merge pull request #25 from cpfarhood/feat/mcp-sidecars

feat: add Kubernetes and Flux MCP servers as pod sidecars

.mcp.json

@@ -2,15 +2,15 @@
   "mcpServers": {
     "kubernetes": {
       "type": "sse",
-      "url": "http://kubernetes-mcp-server.kube-system.svc.cluster.local:8080/sse"
+      "url": "http://localhost:8080/sse"
     },
     "flux": {
       "type": "sse",
-      "url": "http://flux-mcp.flux-system.svc.cluster.local:8080/sse"
+      "url": "http://localhost:8081/sse"
     },
-    "playwright": {                                                                                                                                                                           
-      "type": "sse",                                                                                                                                                                          
-      "url": "http://playwright-mcp.playwright.svc.cluster.local:3000/sse"                                                                                                                    
+    "playwright": {
+      "type": "sse",
+      "url": "http://playwright-mcp.playwright.svc.cluster.local:3000/sse"
     } 
   }
 }

chart/templates/deployment.yaml

@@ -98,6 +98,55 @@ spec:
             initialDelaySeconds: 5
             periodSeconds: 5
           {{- end }}
+        {{- if .Values.mcpSidecars.kubernetes.enabled }}
+        - name: kubernetes-mcp
+          image: "{{ .Values.mcpSidecars.kubernetes.image.repository }}:{{ .Values.mcpSidecars.kubernetes.image.tag }}"
+          args:
+            - --port
+            - {{ .Values.mcpSidecars.kubernetes.port | quote }}
+          ports:
+            - containerPort: {{ .Values.mcpSidecars.kubernetes.port }}
+              name: k8s-mcp
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: {{ .Values.mcpSidecars.kubernetes.port }}
+            initialDelaySeconds: 10
+            periodSeconds: 10
+          readinessProbe:
+            httpGet:
+              path: /healthz
+              port: {{ .Values.mcpSidecars.kubernetes.port }}
+            initialDelaySeconds: 5
+            periodSeconds: 5
+          resources:
+            {{- toYaml .Values.mcpSidecars.kubernetes.resources | nindent 12 }}
+        {{- end }}
+        {{- if .Values.mcpSidecars.flux.enabled }}
+        - name: flux-mcp
+          image: "{{ .Values.mcpSidecars.flux.image.repository }}:{{ .Values.mcpSidecars.flux.image.tag }}"
+          args:
+            - serve
+            - --transport=sse
+            - --port={{ .Values.mcpSidecars.flux.port }}
+          ports:
+            - containerPort: {{ .Values.mcpSidecars.flux.port }}
+              name: flux-mcp
+              protocol: TCP
+          livenessProbe:
+            tcpSocket:
+              port: {{ .Values.mcpSidecars.flux.port }}
+            initialDelaySeconds: 10
+            periodSeconds: 10
+          readinessProbe:
+            tcpSocket:
+              port: {{ .Values.mcpSidecars.flux.port }}
+            initialDelaySeconds: 5
+            periodSeconds: 5
+          resources:
+            {{- toYaml .Values.mcpSidecars.flux.resources | nindent 12 }}
+        {{- end }}
       volumes:
         - name: workspace
           emptyDir: {}

chart/values.yaml

@@ -66,3 +66,32 @@ clusterAccess: none
 # Name of existing Secret containing env vars (GITHUB_TOKEN, VNC_PASSWORD, etc.)
 # Defaults to: devcontainer-{name}-secrets-env
 envSecretName: ""
+
+# MCP server sidecars — run alongside the devcontainer to inherit pod RBAC.
+mcpSidecars:
+  kubernetes:
+    enabled: true
+    image:
+      repository: quay.io/containers/kubernetes_mcp_server
+      tag: latest
+    port: 8080
+    resources:
+      requests:
+        memory: "64Mi"
+        cpu: "50m"
+      limits:
+        memory: "256Mi"
+        cpu: "500m"
+  flux:
+    enabled: true
+    image:
+      repository: ghcr.io/controlplaneio-fluxcd/flux-operator-mcp
+      tag: latest
+    port: 8081
+    resources:
+      requests:
+        memory: "64Mi"
+        cpu: "50m"
+      limits:
+        memory: "256Mi"
+        cpu: "500m"