diff --git a/workers.aqua b/workers.aqua
index 8c379b6..3ae563c 100644
--- a/workers.aqua
+++ b/workers.aqua
@@ -1,19 +1,41 @@
 import PeerId from "./builtin.aqua"
 
 -- Available only on rust peers
-service Worker("worker"):
+service DealWorker("worker"):
     -- Creates new worker associated with `deal_id`.
     -- Throws an error if worker exists.
-    create(deal_id: string) -> PeerId
+    create(deal_id: ?string) -> PeerId
+
+    -- Returns worker peer id associated with `deal_id`.
+    -- Throws an error if worker doesn't exist.
+    get_peer_id(deal_id: ?string) -> PeerId
 
     -- Returns worker peer id associated with `deal_id`.
     -- Returns nil if worker doesn't exist.
-    get_worker_id(deal_id: string) -> ?PeerId
+    get_worker_id(deal_id: ?string) -> ?PeerId
 
     -- Removes worker with all deployed spells and services.
     -- Throws an error if worker doesn't exist.
     -- Worker can be removed only by worker creator or worker itself.
     remove(worker_id: PeerId)
 
-    -- Returns list of all workers.
-    list() -> []PeerId
+-- Available only on rust peers
+-- Suitable for direct hosting
+service Worker("worker"):
+    -- Creates new worker associated with `init_peer_id`.
+    -- Throws an error if worker exists.
+    create() -> PeerId
+
+    -- Returns worker peer id associated with `init_peer_id`.
+    -- Throws an error if worker doesn't exist.
+    -- WILL BE DEPRECATED SOON, use `get_worker_id` instead.
+    get_peer_id() -> PeerId
+
+    -- Returns worker peer id associated with `init_peer_id`.
+    -- Returns nil if worker doesn't exist.
+    get_worker_id() -> ?PeerId
+
+    -- Removes worker with all deployed spells and services.
+    -- Throws an error if worker doesn't exist.
+    -- Worker can be removed only by worker creator or worker itself.
+    remove(worker_id: PeerId)