diff --git a/src/typebox_utils.ts b/src/typebox_utils.ts
new file mode 100644
index 0000000..1dee374
--- /dev/null
+++ b/src/typebox_utils.ts
@@ -0,0 +1,13 @@
+import { TSchema, Type } from "./deps/typebox.ts";
+
+export const NonEmptyString = (props?: Parameters<typeof Type.String>[0]) => Type.String({ minLength: 1, ...props });
+
+export const PosInt = (props?: Parameters<typeof Type.Integer>[0]) =>
+  Type.Integer({ minimum: 1, maximum: Number.MAX_SAFE_INTEGER, ...props });
+
+export const NonNegInt = (props?: Parameters<typeof Type.Integer>[0]) =>
+  Type.Integer({ minimum: 0, maximum: Number.MAX_SAFE_INTEGER, ...props });
+
+export const Maybe = <T extends TSchema>(schema: T) => Type.Union([schema, Type.Undefined()]);
+
+export const Nullable = <T extends TSchema>(schema: T) => Type.Union([schema, Type.Null()]);