diff --git a/experiencemaker/module/summarizer/traj_summarizer.py b/experiencemaker/module/summarizer/traj_summarizer.py
new file mode 100644
index 00000000..7e6575f5
--- /dev/null
+++ b/experiencemaker/module/summarizer/traj_summarizer.py
@@ -0,0 +1,26 @@
+from typing import List
+
+from pydantic import Field
+
+from experiencemaker.schema.trajectory import Trajectory, Sample, SummaryMessage
+from experiencemaker.storage.base_vector_store import BaseVectorStore
+from experiencemaker.module.summarizer.base_summarizer import BaseSummarizer
+
+class TrajectorySummarizer(BaseSummarizer):
+    vector_store: BaseVectorStore | None = Field(default=None)
+
+    def extract_samples(self, trajectories: List[Trajectory], **kwargs) -> List[Sample]:
+        raise NotImplementedError
+
+    def insert_into_vector_store(self, samples: List[Sample], **kwargs):
+        raise NotImplementedError
+
+    def execute(self, trajectories: List[Trajectory], return_samples: bool = True, **kwargs) -> List[Sample]:
+        samples: List[Sample] = self.extract_samples(trajectories, **kwargs)
+        self.insert_into_vector_store(samples, **kwargs)
+
+        if return_samples:
+            return samples
+
+        return []
+