diff --git a/src/memory_manager/tui/app.py b/src/memory_manager/tui/app.py
new file mode 100644
index 0000000..0e1f6eb
--- /dev/null
+++ b/src/memory_manager/tui/app.py
@@ -0,0 +1,103 @@
+"""Textual TUI application."""
+import os
+import asyncio
+from typing import Optional
+
+from textual.app import App, ComposeResult
+from textual.widgets import Header, Footer, DataTable, Static, Tabs, Tab
+from textual.containers import Container, VerticalScroll
+from textual.screen import Screen
+
+from memory_manager.core.services import MemoryService, CommitService
+from memory_manager.db.repository import MemoryRepository
+
+
+db_path = os.getenv("MEMORY_DB_PATH", ".memory/codebase_memory.db")
+os.makedirs(os.path.dirname(db_path), exist_ok=True)
+
+repository = MemoryRepository(db_path)
+memory_service = MemoryService(repository)
+commit_service = CommitService(repository)
+
+
+class DashboardScreen(Screen):
+    def compose(self) -> ComposeResult:
+        yield Header()
+        yield Static("Memory Manager Dashboard", id="title")
+        yield DataTable()
+        yield Footer()
+
+    async def on_mount(self):
+        stats = await repository.get_stats()
+        table = self.query_one(DataTable)
+        table.add_columns("Metric", "Value")
+        table.add_row("Total Entries", str(stats["total_entries"]))
+        table.add_row("Total Commits", str(stats["total_commits"]))
+        for category, count in stats["category_counts"].items():
+            table.add_row(category.title(), str(count))
+
+
+class MemoryListScreen(Screen):
+    def compose(self) -> ComposeResult:
+        yield Header()
+        yield Static("Memory Entries", id="title")
+        yield DataTable()
+        yield Footer()
+
+    async def on_mount(self):
+        entries = await memory_service.list_entries(limit=100)
+        table = self.query_one(DataTable)
+        table.add_columns("ID", "Category", "Title", "Agent")
+        for entry in entries:
+            table.add_row(
+                str(entry.id),
+                entry.category.value,
+                entry.title[:40],
+                entry.agent_id,
+            )
+
+
+class CommitHistoryScreen(Screen):
+    def compose(self) -> ComposeResult:
+        yield Header()
+        yield Static("Commit History", id="title")
+        yield DataTable()
+        yield Footer()
+
+    async def on_mount(self):
+        commits = await commit_service.get_commits(limit=50)
+        table = self.query_one(DataTable)
+        table.add_columns("Hash", "Message", "Agent", "Date")
+        for commit in commits:
+            table.add_row(
+                commit.hash[:8],
+                commit.message[:40],
+                commit.agent_id,
+                str(commit.created_at)[:10],
+            )
+
+
+class MemoryTUIApp(App):
+    def __init__(self):
+        super().__init__()
+        self.title = "Memory Manager TUI"
+        self.SCREENS = {
+            "dashboard": DashboardScreen(),
+            "list": MemoryListScreen(),
+            "history": CommitHistoryScreen(),
+        }
+
+    def on_mount(self):
+        self.push_screen("dashboard")
+
+    def compose(self) -> ComposeResult:
+        yield Tabs(
+            Tab("Dashboard", id="dashboard"),
+            Tab("Entries", id="list"),
+            Tab("History", id="history"),
+        )
+
+
+def run_tui():
+    app = MemoryTUIApp()
+    app.run()