feat: add applemusic-mcp package

Cross-platform Apple Music MCP server supporting playlist management,
library search, and catalog access via media-user-token (no Apple
Developer account required).

https://github.com/epheterson/applemusic-mcp

packages/applemusic-mcp/package.nix

@@ -0,0 +1,42 @@
+{
+  lib,
+  python3Packages,
+  fetchPypi,
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "applemusic-mcp";
+  version = "0.15.1";
+  pyproject = true;
+
+  src = fetchPypi {
+    inherit pname version;
+    format = "pyproject";
+    dist = "py3";
+    python = "py3";
+    hash = "sha256-qV24IbMAuxMd9uGi7phXl9IvWfbqVU2QO/F1LJ1WJWM=";
+  };
+
+  build-system = with python3Packages; [
+    hatchling
+  ];
+
+  dependencies = with python3Packages; [
+    mcp
+    requests
+    python-dotenv
+    pydantic
+    playwright
+    rich
+  ];
+
+  pythonImportsCheck = [ "applemusic_mcp" ];
+
+  meta = with lib; {
+    description = "MCP server for Apple Music — manage playlists, add music, browse your library";
+    homepage = "https://github.com/epheterson/applemusic-mcp";
+    license = licenses.mit;
+    mainProgram = "applemusic-mcp";
+    platforms = platforms.all;
+  };
+}