Chart plugin conf

charts/mcp-stack/templates/configmap-gateway-plugin.yaml

@@ -0,0 +1,12 @@
+{{- if .Values.mcpContextForge.pluginConfig.enabled}}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "mcp-stack.fullname" . }}-gateway-plugins
+  labels:
+    {{- include "mcp-stack.labels" . | nindent 4 }}
+    app.kubernetes.io/component: gateway
+data:
+  config.yaml: |
+    {{- .Values.mcpContextForge.pluginConfig.plugins | nindent 4 }}
+{{- end }}

charts/mcp-stack/templates/deployment-mcpgateway.yaml

@@ -135,3 +135,19 @@ spec:
           # Resource requests / limits
           resources:
 {{- toYaml .Values.mcpContextForge.resources | nindent 12 }}
+          {{- /* Plugins enabled need the plugins configuration */}}
+          {{- if .Values.mcpContextForge.pluginConfig.enabled }}
+          volumeMounts:
+          - name: plugin-config-volume
+            mountPath: /app/{{ .Values.mcpContextForge.config.PLUGIN_CONFIG_FILE }}
+            subPath: config.yaml
+          {{- end }}
+{{- if .Values.mcpContextForge.pluginConfig.enabled }}
+      volumes:
+      - name: plugin-config-volume
+        configMap:
+          name: {{ include "mcp-stack.fullname" . }}-gateway-plugins
+          items:
+          - key: config.yaml
+            path: config.yaml
+{{- end }}

charts/mcp-stack/values.schema.json

@@ -212,6 +212,22 @@
           },
           "additionalProperties": false
         },
+
+        "pluginConfig": {
+          "type": "object",
+          "description": "Content of the plugin file",
+          "properties": {
+            "enabled": {
+                "type": "boolean",
+                "description": "Enable pluginConfig loading for ingress",
+                "default": false
+            },
+            "plugins": {
+              "type": "string",
+              "description": "contents of plugin file"
+            }
+          }
+        },
         "env": {
           "type": "object",
           "description": "Environment configuration",

charts/mcp-stack/values.yaml

@@ -11,6 +11,12 @@ global:
 # MCP CONTEXT-FORGE (Gateway / API tier)
 ########################################################################
 mcpContextForge:
+  # --- Specific plugin file ----#
+  pluginConfig:
+    enabled: false
+    plugins: |
+      # plugin file
+
   replicaCount: 2                           # horizontal scaling for the gateway
 
   # --- HORIZONTAL POD AUTOSCALER --------------------------------------

mcpgateway/transports/streamablehttp_transport.py

@@ -387,7 +387,7 @@ async def call_tool(name: str, arguments: dict) -> List[Union[types.TextContent,
                 logger.warning(f"No content returned by tool: {name}")
                 return []
 
-            return [types.TextContent(type=result.content[0].type, text=result.content[0].text)]
+            return [types.TextContent(type=content.type, text=content.text) for content in result.content]
     except Exception as e:
         logger.exception(f"Error calling tool '{name}': {e}")
         return []