Add get_schema method to Service class

src/backend/base/langflow/services/base.py

@@ -5,6 +5,23 @@ class Service(ABC):
     name: str
     ready: bool = False
 
+    def get_schema(self):
+        """Build a dictionary listing all methods, their parameters, types, return types and documentation."""
+
+        schema = {}
+        ignore = ["teardown", "set_ready"]
+        for method in dir(self):
+            if method.startswith("_") or method in ignore:
+                continue
+            func = getattr(self, method)
+            schema[method] = {
+                "name": method,
+                "parameters": func.__annotations__,
+                "return": func.__annotations__.get("return"),
+                "documentation": func.__doc__,
+            }
+        return schema
+
     def teardown(self):
         pass