Create base.py

tools/base.py

@@ -0,0 +1,11 @@
+class Tool:
+    name = ""
+    description = ""
+    inputs = {}
+    output_type = "string"
+
+    def __init__(self, **kwargs):
+        pass
+
+    def forward(self, **kwargs):
+        raise NotImplementedError("Tool must implement forward method.")