diff --git a/runtime/json.hpp b/runtime/json.hpp
index 38b73f2..bb34d0e 100644
--- a/runtime/json.hpp
+++ b/runtime/json.hpp
@@ -319,6 +319,11 @@ private:
     Res<Tok> cur;
 };
 
+inline auto parse_json(std::string_view value) -> Res<std::unique_ptr<Value>>
+{
+    return Parser(value).parse_val();
+}
+
 class Writer {
 public:
     inline auto operator<<(auto value) -> Writer&