diff --git a/src/at/internal/decoding.gleam b/src/at/internal/decoding.gleam
index dd9d5ea..5b2c10b 100644
--- a/src/at/internal/decoding.gleam
+++ b/src/at/internal/decoding.gleam
@@ -2,6 +2,8 @@
 
 import gleam/dynamic/decode.{type Decoder}
 import gleam/option.{type Option, None, Some}
+import gleam/set.{type Set}
+import gleam/uri.{type Uri}
 
 ///
 /// 
@@ -12,3 +14,20 @@ pub fn optional_field(
 ) -> Decoder(b) {
   decode.optional_field(name, None, decode.map(decoder, Some), next)
 }
+
+///
+/// 
+pub fn uri() -> Decoder(Uri) {
+  decode.then(decode.string, fn(value) {
+    case uri.parse(value) {
+      Ok(uri) -> decode.success(uri)
+      Error(_) -> decode.failure(uri.empty, "uri.Uri")
+    }
+  })
+}
+
+///
+/// 
+pub fn set(inner: Decoder(a)) -> Decoder(Set(a)) {
+  decode.map(decode.list(inner), set.from_list)
+}