diff --git a/app/models/tool_model.py b/app/models/tool_model.py
new file mode 100644
index 0000000..5ad3c0a
--- /dev/null
+++ b/app/models/tool_model.py
@@ -0,0 +1,10 @@
+from dataclasses import dataclass
+from typing import Dict, Any, Callable
+
+
+@dataclass
+class ToolDefinition:
+    name: str
+    description: str
+    parameters: Dict[str, Any]
+    handler: Callable