diff --git a/packages/memory-service/src/index.js b/packages/memory-service/src/index.js
index d2788e9..43e48e7 100644
--- a/packages/memory-service/src/index.js
+++ b/packages/memory-service/src/index.js
@@ -43,11 +43,18 @@ app.get('/sessions', (req, res) => {
   res.json(sessions);
 });
 
-app.get('/sessions', (req, res) => {
-  const {limit = EPISODIC.DEFAULT_PAGE_SIZE, offset = EPISODIC.DEFAULT_OFFSET, projectId } = req.query;
-  const sessions = episodic.getSessions(Number(limit), Number(offset, projectId ?? null));
-  res.json(sessions);
-})
+app.post('/sessions', (req, res) => {
+  const { externalId, metadata } = req.body;
+  if (!externalId) {
+    return res.status(400).json({ error: 'externalId is required' });
+  }
+  try {
+    const session = episodic.createSession(externalId, metadata);
+    res.status(201).json(session);
+  } catch (err) {
+    res.status(409).json({ error: 'Session already exists', detail: err.message });
+  }
+});
 
 // Retrieves a session by its external ID
 app.get('/sessions/by-external/:externalId', (req, res) => {
diff --git a/packages/source.zip b/packages/source.zip
new file mode 100644
index 0000000..b4689c7
Binary files /dev/null and b/packages/source.zip differ