fix: add mcp command with setup guidance (#315)

* fix: add mcp command with setup guidance

* fix: include --palace guidance in mcp command output

* fix: make mcp guidance commands copy-pastable

---------

Co-authored-by: Milla J <millaj1217@gmail.com>

tests/test_cli.py

@@ -2,6 +2,7 @@
 
 import argparse
 import sys
+from pathlib import Path
 from unittest.mock import MagicMock, patch
 
 import pytest
@@ -326,6 +327,35 @@ def test_main_split_dispatches():
         mock_cmd.assert_called_once()
 
 
+def test_mcp_command_prints_setup_guidance(monkeypatch, capsys):
+    monkeypatch.setattr(sys, "argv", ["mempalace", "mcp"])
+
+    main()
+
+    captured = capsys.readouterr()
+    assert "MemPalace MCP quick setup:" in captured.out
+    assert "claude mcp add mempalace -- python -m mempalace.mcp_server" in captured.out
+    assert "\nOptional custom palace:\n" in captured.out
+    assert "python -m mempalace.mcp_server --palace /path/to/palace" in captured.out
+    assert "[--palace /path/to/palace]" not in captured.out
+    assert captured.err == ""
+
+
+def test_mcp_command_uses_custom_palace_path_when_provided(monkeypatch, capsys):
+    monkeypatch.setattr(sys, "argv", ["mempalace", "--palace", "~/tmp/my palace", "mcp"])
+
+    main()
+
+    captured = capsys.readouterr()
+    expanded = str(Path("~/tmp/my palace").expanduser())
+
+    assert "python -m mempalace.mcp_server --palace" in captured.out
+    assert expanded in captured.out
+    assert "Optional custom palace:" not in captured.out
+    assert "[--palace /path/to/palace]" not in captured.out
+    assert captured.err == ""
+
+
 def test_main_hook_no_subcommand_prints_help(capsys):
     with patch("sys.argv", ["mempalace", "hook"]):
         main()