diff --git a/web/app/components/workflow/constants.ts b/web/app/components/workflow/constants.ts
index a6f313e98e..1786ca4b47 100644
--- a/web/app/components/workflow/constants.ts
+++ b/web/app/components/workflow/constants.ts
@@ -377,6 +377,10 @@ export const TOOL_OUTPUT_STRUCT: Var[] = [
     variable: 'files',
     type: VarType.arrayFile,
   },
+  {
+    variable: 'json',
+    type: VarType.arrayObject,
+  },
 ]
 
 export const PARAMETER_EXTRACTOR_COMMON_STRUCT: Var[] = [
diff --git a/web/app/components/workflow/nodes/tool/panel.tsx b/web/app/components/workflow/nodes/tool/panel.tsx
index e783e56ca7..1b00045c0f 100644
--- a/web/app/components/workflow/nodes/tool/panel.tsx
+++ b/web/app/components/workflow/nodes/tool/panel.tsx
@@ -131,6 +131,11 @@ const Panel: FC<NodePanelProps<ToolNodeType>> = ({
               type='Array[File]'
               description={t(`${i18nPrefix}.outputVars.files.title`)}
             />
+            <VarItem
+              name='json'
+              type='Array[Object]'
+              description={t(`${i18nPrefix}.outputVars.json`)}
+            />
           </>
         </OutputVars>
       </div>
diff --git a/web/i18n/en-US/workflow.ts b/web/i18n/en-US/workflow.ts
index 617e3f8135..4ac3e82a95 100644
--- a/web/i18n/en-US/workflow.ts
+++ b/web/i18n/en-US/workflow.ts
@@ -396,6 +396,7 @@ const translation = {
           url: 'Image url',
           upload_file_id: 'Upload file id',
         },
+        json: 'tool generated json',
       },
     },
     questionClassifiers: {
diff --git a/web/i18n/zh-Hans/workflow.ts b/web/i18n/zh-Hans/workflow.ts
index fe38904e5b..a71b22c8e0 100644
--- a/web/i18n/zh-Hans/workflow.ts
+++ b/web/i18n/zh-Hans/workflow.ts
@@ -396,6 +396,7 @@ const translation = {
           url: '图片链接',
           upload_file_id: '上传文件ID',
         },
+        json: '工具生成的json',
       },
     },
     questionClassifiers: {