{
  lib,
  stdenv,
  fetchFromGitHub,
  makeWrapper,
}: 

stdenv.mkDerivation rec {
  pname = "nextcloud-mcp-server";
  version = "0.89.0";

  src = fetchFromGitHub {
    owner = "cbcoutinho";
    repo = "nextcloud-mcp-server";
    rev = "v${version}";
    hash = "sha256-IDTSGsHQ8cCFvgSO7pDbSSHVNV0OIjjoEN9ZfkaPAvk=";
  };

  nativeBuildInputs = [ makeWrapper ];

  dontBuild = true;

  installPhase = ''
    runHook preInstall
    mkdir -p $out/bin $out/lib/${pname}

    # Copy the server code from source
    cp -r src/nextcloud_mcp_server $out/lib/${pname}/

    # The hermes-agent service already has a working venv with all deps
    # Use that Python interpreter (it has PYTHONPATH set by the service env)
    makeWrapper /var/lib/hermes/.local/share/nextcloud-venv/bin/python $out/bin/${pname} \
      --add-flags "-m nextcloud_mcp_server.cli" \
      --set PYTHONPATH "$out/lib/${pname}"

    runHook postInstall
  '';

  meta = with lib; {
    description = "MCP server for Nextcloud — files (WebDAV), calendar (CalDAV), contacts (CardDAV), notes, deck, talk, and sharing";
    homepage = "https://github.com/cbcoutinho/nextcloud-mcp-server";
    license = licenses.agpl3Only;
    mainProgram = "nextcloud-mcp-server";
    platforms = platforms.all;
  };
}