diff --git a/lang_agent/fs_bkends/base.py b/lang_agent/fs_bkends/base.py
index e7ddec8..0ee0f7f 100644
--- a/lang_agent/fs_bkends/base.py
+++ b/lang_agent/fs_bkends/base.py
@@ -7,6 +7,7 @@ from abc import ABC, abstractmethod
 
 class BaseFilesystemBackend(ABC):
     backend: Any
+    config: Any
 
     @abstractmethod
     def _build_backend(self):
@@ -21,4 +22,7 @@ class BaseFilesystemBackend(ABC):
 
     def get_deepagent_params(self):
         """extra params to pass into the creation of deepagents"""
-        return {}
\ No newline at end of file
+        if hasattr(self.config, "rt_skills_dir"):
+            return {"skills" : [self.config.rt_skills_dir]}
+        else:
+            return {}
\ No newline at end of file
diff --git a/lang_agent/fs_bkends/statebk.py b/lang_agent/fs_bkends/statebk.py
index d43d5b2..6176980 100644
--- a/lang_agent/fs_bkends/statebk.py
+++ b/lang_agent/fs_bkends/statebk.py
@@ -54,17 +54,7 @@ class StateBk(BaseFilesystemBackend):
     def _build_backend(self):
         self.skills_dict = build_skill_fs_dict(self.config.skills_dir)
         self.backend = lambda rt : StateBackend(rt)
-
-    def get_backend(self):
-        return self.backend
     
-    def _get_rt_skill_dir(self)->List[str]:
-        """get runtime skill dir"""
-        return [self.config.rt_skills_dir]
-
     def get_inf_inp(self):
         """get inference input for deepagent"""
-        return {"files":self.skills_dict}
-
-    def get_deepagent_params(self):
-        return {"skills" : self._get_rt_skill_dir()}
\ No newline at end of file
+        return {"files":self.skills_dict}
\ No newline at end of file