diff --git a/src/commander_ai_lab/deck_builder/api/__init__.py b/src/commander_ai_lab/deck_builder/api/__init__.py
index 3937e4c..38334fd 100644
--- a/src/commander_ai_lab/deck_builder/api/__init__.py
+++ b/src/commander_ai_lab/deck_builder/api/__init__.py
@@ -1 +1,11 @@
-# api subpackage
+"""API subpackage – external service clients (Scryfall, EDHRec, Ollama)."""
+
+from .scryfall import ScryfallClient
+from .edhrec import EDHRecClient
+from .ollama_client import OllamaClient
+
+__all__ = [
+    "ScryfallClient",
+    "EDHRecClient",
+    "OllamaClient",
+]