diff --git a/letta/schemas/memory.py b/letta/schemas/memory.py
index ce80fb33..c82e793b 100644
--- a/letta/schemas/memory.py
+++ b/letta/schemas/memory.py
@@ -289,7 +289,7 @@ class Memory(BaseModel, validate_assignment=True):
 
         s.write("\n\n<memory_filesystem>\n")
 
-        def _render_tree(node: dict, prefix: str = ""):
+        def _render_tree(node: dict, prefix: str = "", in_system: bool = False):
             # Sort: directories first, then files. If a node is both a directory and a
             # leaf (LEAF_KEY present), show both <name>/ and <name>.md.
             dirs = []
@@ -314,9 +314,19 @@ class Memory(BaseModel, validate_assignment=True):
                 if is_dir:
                     s.write(f"{prefix}{connector}{name}/\n")
                     extension = "    " if is_last else "│   "
-                    _render_tree(node[name], prefix + extension)
+                    _render_tree(node[name], prefix + extension, in_system=in_system or name == "system")
                 else:
-                    s.write(f"{prefix}{connector}{name}.md\n")
+                    # For files outside system/, append the block description
+                    desc_suffix = ""
+                    if not in_system:
+                        val = node[name]
+                        block = val[LEAF_KEY] if isinstance(val, dict) else val
+                        desc = getattr(block, "description", None)
+                        if desc:
+                            desc_line = desc.strip().split("\n")[0].strip()
+                            if desc_line:
+                                desc_suffix = f" ({desc_line})"
+                    s.write(f"{prefix}{connector}{name}.md{desc_suffix}\n")
 
         _render_tree(tree)
         s.write("</memory_filesystem>")
diff --git a/tests/test_memory.py b/tests/test_memory.py
index 334ff5bc..4595dad8 100644
--- a/tests/test_memory.py
+++ b/tests/test_memory.py
@@ -253,3 +253,59 @@ def test_compile_git_memory_filesystem_handles_leaf_directory_collisions():
     assert "system/" in out
     assert "system.md" in out
     assert "human.md" in out
+
+
+def test_compile_git_memory_filesystem_renders_descriptions_for_non_system_files():
+    """Files outside system/ should render their description in the filesystem tree.
+
+    e.g. `reference/api.md (Contains API specifications)`
+    System files should NOT render descriptions in the tree.
+    """
+
+    m = Memory(
+        agent_type=AgentType.letta_v1_agent,
+        git_enabled=True,
+        blocks=[
+            Block(label="system/human", value="human data", limit=100, description="The human block"),
+            Block(label="system/persona", value="persona data", limit=100, description="The persona block"),
+            Block(label="reference/api", value="api specs", limit=100, description="Contains API specifications"),
+            Block(label="notes", value="my notes", limit=100, description="Personal notes and reminders"),
+        ],
+    )
+
+    out = m.compile()
+
+    # Filesystem tree should exist
+    assert "<memory_filesystem>" in out
+
+    # Non-system files should have descriptions rendered
+    assert "api.md (Contains API specifications)" in out
+    assert "notes.md (Personal notes and reminders)" in out
+
+    # System files should NOT have descriptions in the tree
+    assert "human.md (The human block)" not in out
+    assert "persona.md (The persona block)" not in out
+    # But they should still be in the tree (without description)
+    assert "human.md" in out
+    assert "persona.md" in out
+
+
+def test_compile_git_memory_filesystem_no_description_when_empty():
+    """Files outside system/ with no description should render without parentheses."""
+
+    m = Memory(
+        agent_type=AgentType.letta_v1_agent,
+        git_enabled=True,
+        blocks=[
+            Block(label="system/human", value="human data", limit=100),
+            Block(label="notes", value="my notes", limit=100),
+            Block(label="reference/api", value="api specs", limit=100, description="API docs"),
+        ],
+    )
+
+    out = m.compile()
+
+    # notes.md has no description, so no parentheses
+    assert "notes.md\n" in out or "notes.md\n" in out
+    # reference/api.md has a description
+    assert "api.md (API docs)" in out