{
  lib,
  stdenv,
  python3,
  makeWrapper,
}:

stdenv.mkDerivation {
  pname = "romarr-mcp";
  version = "1.0.0";

  src = ./.;

  nativeBuildInputs = [ makeWrapper ];

  dontBuild = true;
  dontConfigure = true;

  # Single stdlib-only file: no wheels to vendor, no interpreter to pin beyond
  # the python3 in nixpkgs. ROMarr's own API is reached over plain HTTP(S).
  installPhase = ''
    runHook preInstall
    mkdir -p $out/lib/romarr-mcp $out/bin
    install -m644 romarr_mcp.py $out/lib/romarr-mcp/romarr_mcp.py
    makeWrapper ${python3}/bin/python3 $out/bin/romarr-mcp \
      --add-flags "$out/lib/romarr-mcp/romarr_mcp.py"
    runHook postInstall
  '';

  meta = with lib; {
    description = "MCP server for ROMarr: library, wanted, queue, indexer search, DAT audit";
    homepage = "https://github.com/BlizzHacker/romarr";
    license = licenses.mit;
    mainProgram = "romarr-mcp";
    platforms = platforms.all;
  };
}