diff --git a/web/app/components/plugins/plugin-detail-panel/endpoint-modal.tsx b/web/app/components/plugins/plugin-detail-panel/endpoint-modal.tsx
index 130773e0c..a715237a4 100644
--- a/web/app/components/plugins/plugin-detail-panel/endpoint-modal.tsx
+++ b/web/app/components/plugins/plugin-detail-panel/endpoint-modal.tsx
@@ -47,7 +47,22 @@ const EndpointModal: FC<Props> = ({
         return
       }
     }
-    onSaved(tempCredential)
+
+    // Fix: Process boolean fields to ensure they are sent as proper boolean values
+    const processedCredential = { ...tempCredential }
+    formSchemas.forEach((field) => {
+      if (field.type === 'boolean' && processedCredential[field.name] !== undefined) {
+        const value = processedCredential[field.name]
+        if (typeof value === 'string')
+          processedCredential[field.name] = value === 'true' || value === '1' || value === 'True'
+         else if (typeof value === 'number')
+          processedCredential[field.name] = value === 1
+         else if (typeof value === 'boolean')
+          processedCredential[field.name] = value
+      }
+    })
+
+    onSaved(processedCredential)
   }
 
   return (
diff --git a/web/app/components/tools/utils/to-form-schema.ts b/web/app/components/tools/utils/to-form-schema.ts
index ee7f3379a..ae43e6f15 100644
--- a/web/app/components/tools/utils/to-form-schema.ts
+++ b/web/app/components/tools/utils/to-form-schema.ts
@@ -63,6 +63,16 @@ export const addDefaultValue = (value: Record<string, any>, formSchemas: { varia
     const itemValue = value[formSchema.variable]
     if ((formSchema.default !== undefined) && (value === undefined || itemValue === null || itemValue === '' || itemValue === undefined))
       newValues[formSchema.variable] = formSchema.default
+
+    // Fix: Convert boolean field values to proper boolean type
+    if (formSchema.type === 'boolean' && itemValue !== undefined && itemValue !== null && itemValue !== '') {
+      if (typeof itemValue === 'string')
+        newValues[formSchema.variable] = itemValue === 'true' || itemValue === '1' || itemValue === 'True'
+       else if (typeof itemValue === 'number')
+        newValues[formSchema.variable] = itemValue === 1
+       else if (typeof itemValue === 'boolean')
+        newValues[formSchema.variable] = itemValue
+    }
   })
   return newValues
 }