diff --git a/tests/e2e/test_repl.py b/tests/e2e/test_repl.py
new file mode 100644
index 0000000..7357916
--- /dev/null
+++ b/tests/e2e/test_repl.py
@@ -0,0 +1,16 @@
+from .runner import BinaryRunner
+
+
+def test_repl(runner: BinaryRunner) -> None:
+    """REPL starts, handles shell commands, and dispatches /command syntax."""
+    result = runner.run(
+        [],
+        stdin_text="echo hello_repl_test\n/version\n/exit\n",
+        timeout=30,
+    )
+    result.assert_success()
+    result.assert_stdout_contains("Welcome to the Git-Mastery REPL!")
+    result.assert_stdout_matches(r"gitmastery \[.+\]>")
+    result.assert_stdout_contains("hello_repl_test")
+    result.assert_stdout_contains("Git-Mastery app is")
+    result.assert_stdout_matches(r"v\d+\.\d+\.\d+")