diff --git a/library/kernel/json_object.e b/library/kernel/json_object.e
index 7994cc5..a6fe26c 100644
--- a/library/kernel/json_object.e
+++ b/library/kernel/json_object.e
@@ -101,6 +101,18 @@ feature -- Change Element
             put (l_value, key)
         end
 
+    put_boolean (value: BOOLEAN; key: JSON_STRING)
+            -- Assuming there is no item of key `key',
+            -- insert `value' with `key'.
+        require
+            key_not_present: not has_key (key)
+        local
+            l_value: JSON_BOOLEAN
+        do
+            create l_value.make_boolean (value)
+            put (l_value, key)
+        end
+
     replace (value: detachable JSON_VALUE; key: JSON_STRING)
             -- Assuming there is no item of key `key',
             -- insert `value' with `key'.
@@ -154,6 +166,16 @@ feature -- Change Element
             replace (l_value, key)
         end
 
+    replace_with_boolean (value: BOOLEAN; key: JSON_STRING)
+            -- Assuming there is no item of key `key',
+            -- insert `value' with `key'.
+        local
+            l_value: JSON_BOOLEAN
+        do
+            create l_value.make_boolean (value)
+            replace (l_value, key)
+        end
+
 	remove (key: JSON_STRING)
 			-- Remove item indexed by `key' if any.
 		do