diff --git a/packages/extension-query/src/QueryProgress.ts b/packages/extension-query/src/QueryProgress.ts
new file mode 100644
index 0000000..53d5fee
--- /dev/null
+++ b/packages/extension-query/src/QueryProgress.ts
@@ -0,0 +1,7 @@
+import type * as AsyncData from "@typed/async-data"
+import { Effect, type Option } from "effect"
+
+
+export class QueryProgress extends Effect.Tag("@reffuse/extension-query/QueryProgress")<QueryProgress, {
+    readonly set: (previous: Option.Option<AsyncData.Progress>) => Effect.Effect<void>
+}>() {}