Exclude cache artifacts from builder source packages

agent_builder/builder.py

@@ -12,7 +12,7 @@ from deepagents.backends.utils import create_file_data
 from langgraph.store.memory import InMemoryStore
 
 from .config import Settings, load_settings
-from .tools import ToolContext, build_tools
+from .tools import ToolContext, _should_include_source_path, build_tools
 
 
 BUILDER_SKILL_SOURCE = "/.agent-builder/skills/"
@@ -430,6 +430,13 @@ def _workspace_backend_with_grep_compat(
     """
 
     class BuilderWorkspaceBackend(workspace_backend_cls):  # type: ignore[misc, valid-type]
+        def _all_paths(self) -> list[str]:
+            return [
+                path
+                for path in super()._all_paths()
+                if _should_include_source_path(path)
+            ]
+
         def grep(
             self,
             pattern: str,