diff --git a/openrouter_client.py b/openrouter_client.py
new file mode 100644
index 0000000..3b8acdb
--- /dev/null
+++ b/openrouter_client.py
@@ -0,0 +1,21 @@
+from openai import AsyncOpenAI
+from config import OPENROUTER_API_KEY
+
+client = AsyncOpenAI(
+    base_url="https://openrouter.ai/api/v1",
+    api_key=OPENROUTER_API_KEY,
+)
+
+
+async def chat(messages, tools=None):
+    """
+    OpenRouter Chat Wrapper (mit Tool Support)
+    """
+
+    kwargs = {
+        "model": None,  # wird später gesetzt
+        "messages": messages,
+        "temperature": 0.3,
+    }
+
+    return await client.chat.completions.create(**kwargs)
\ No newline at end of file