{
  lib,
  python3Packages,
  fetchFromGitHub,
  fetchPypi,
}:

let
  mkPy = { pname, version, src, propagatedBuildInputs ? [ ], meta ? { }, ... }@args:
    python3Packages.buildPythonPackage ({
      inherit pname version src;
      pyproject = true;
      build-system = [ python3Packages.hatchling ];
      inherit propagatedBuildInputs;
      doCheck = false;
      inherit meta;
    } // builtins.removeAttrs args [ "pname" "version" "src" "propagatedBuildInputs" "meta" "pyproject" "build-system" "doCheck" ]);

  fetchWheel = { pname, version, hash, propagatedBuildInputs ? [ ], meta ? { } }:
    python3Packages.buildPythonPackage {
      inherit pname version;
      format = "wheel";
      src = fetchurl {
        url = "https://files.pythonhosted.org/packages/placeholder/${pname}-${version}-py3-none-any.whl";
        inherit hash;
      };
      inherit propagatedBuildInputs;
      doCheck = false;
      inherit meta;
    };

  # ── 20 dependency packages ──
  pythonvcard4 = fetchWheel {
    pname = "pythonvcard4"; version = "0.2.0"; hash = lib.fakeHash;
    meta = with lib; { description = "vCard parsing"; homepage = "https://github.com/GNOME/python-vcard4"; license = licenses.gpl3Plus; };
  };
  prometheus-client = fetchWheel {
    pname = "prometheus_client"; version = "0.25.0"; hash = lib.fakeHash;
    meta = with lib; { description = "Prometheus client"; homepage = "https://github.com/prometheus/client_python"; license = licenses.asl20; };
  };
  python-json-logger = fetchWheel {
    pname = "python_json_logger"; version = "4.1.0"; hash = lib.fakeHash;
    meta = with lib; { description = "JSON logger"; homepage = "https://github.com/nhairs/python-json-logger"; license = licenses.bsd2; };
  };
  importlib-metadata = fetchWheel {
    pname = "importlib_metadata"; version = "8.7.1"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ zipp ];
    meta = with lib; { description = "Importlib metadata"; homepage = "https://github.com/python/importlib_metadata"; license = licenses.asl20; };
  };
  googleapis-common-protos = fetchWheel {
    pname = "googleapis_common_protos"; version = "1.75.0"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ protobuf ];
    meta = with lib; { description = "Common protos"; homepage = "https://github.com/googleapis/python-api-common-protos"; license = licenses.asl20; };
  };
  opentelemetry-api = fetchWheel {
    pname = "opentelemetry_api"; version = "1.39.1"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ deprecated ];
    meta = with lib; { description = "OpenTelemetry API"; homepage = "https://github.com/open-telemetry/opentelemetry-python"; license = licenses.asl20; };
  };
  opentelemetry-proto = fetchWheel {
    pname = "opentelemetry_proto"; version = "1.39.1"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ protobuf ];
    meta = with lib; { description = "OpenTelemetry Proto"; homepage = "https://github.com/open-telemetry/opentelemetry-python"; license = licenses.asl20; };
  };
  opentelemetry-semantic-conventions = fetchWheel {
    pname = "opentelemetry_semantic_conventions"; version = "0.60b1"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ deprecated ];
    meta = with lib; { description = "OTel semconv"; homepage = "https://github.com/open-telemetry/semantic-conventions"; license = licenses.asl20; };
  };
  opentelemetry-sdk = fetchWheel {
    pname = "opentelemetry_sdk"; version = "1.39.1"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ typing-extensions ];
    meta = with lib; { description = "OpenTelemetry SDK"; homepage = "https://github.com/open-telemetry/opentelemetry-python"; license = licenses.asl20; };
  };
  x-wr-timezone = fetchWheel {
    pname = "x_wr_timezone"; version = "2.0.1"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ icalendar click ];
    meta = with lib; { description = "X-WR-TIMEZONE"; homepage = "https://github.com/niccokunzmann/x-wr-timezone"; license = licenses.lgpl3Plus; };
  };
  opentelemetry-util-http = fetchWheel {
    pname = "opentelemetry_util_http"; version = "0.60b1"; hash = lib.fakeHash;
    meta = with lib; { description = "OTel HTTP utils"; homepage = "https://github.com/open-telemetry/opentelemetry-python-contrib"; license = licenses.asl20; };
  };
  opentelemetry-exporter-otlp-proto-common = fetchWheel {
    pname = "opentelemetry_exporter_otlp_proto_common"; version = "1.39.1"; hash = lib.fakeHash;
    meta = with lib; { description = "OTLP proto common"; homepage = "https://github.com/open-telemetry/opentelemetry-python"; license = licenses.asl20; };
  };
  opentelemetry-instrumentation = fetchWheel {
    pname = "opentelemetry_instrumentation"; version = "0.60b1"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ wrapt packaging ];
    meta = with lib; { description = "OTel instrumentation"; homepage = "https://github.com/open-telemetry/opentelemetry-python-contrib"; license = licenses.asl20; };
  };
  recurring-ical-events = fetchWheel {
    pname = "recurring_ical_events"; version = "3.8.2"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ icalendar python-dateutil ];
    meta = with lib; { description = "Recurring iCal events"; homepage = "https://github.com/niccokunzmann/python-recurring-ical-events"; license = licenses.lgpl3Plus; };
  };
  opentelemetry-exporter-otlp-proto-grpc = fetchWheel {
    pname = "opentelemetry_exporter_otlp_proto_grpc"; version = "1.39.1"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ grpcio deprecated ];
    meta = with lib; { description = "OTLP gRPC exporter"; homepage = "https://github.com/open-telemetry/opentelemetry-python"; license = licenses.asl20; };
  };
  qdrant-client = fetchWheel {
    pname = "qdrant_client"; version = "1.18.0"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ grpcio httpx numpy portalocker protobuf pydantic urllib3 ];
    meta = with lib; { description = "Qdrant client"; homepage = "https://github.com/qdrant/qdrant-client"; license = licenses.asl20; };
  };
  opentelemetry-instrumentation-asgi = fetchWheel {
    pname = "opentelemetry_instrumentation_asgi"; version = "0.60b1"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ asgiref ];
    meta = with lib; { description = "OTel ASGI"; homepage = "https://github.com/open-telemetry/opentelemetry-python-contrib"; license = licenses.asl20; };
  };
  opentelemetry-instrumentation-httpx = fetchWheel {
    pname = "opentelemetry_instrumentation_httpx"; version = "0.60b1"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ httpx wrapt ];
    meta = with lib; { description = "OTel HTTPX"; homepage = "https://github.com/open-telemetry/opentelemetry-python-contrib"; license = licenses.asl20; };
  };
  opentelemetry-instrumentation-logging = fetchWheel {
    pname = "opentelemetry_instrumentation_logging"; version = "0.60b1"; hash = lib.fakeHash;
    meta = with lib; { description = "OTel logging"; homepage = "https://github.com/open-telemetry/opentelemetry-python-contrib"; license = licenses.asl20; };
  };
  langchain-text-splitters = fetchWheel {
    pname = "langchain_text_splitters"; version = "1.1.2"; hash = lib.fakeHash;
    propagatedBuildInputs = with python3Packages; [ langchain-core ];
    meta = with lib; { description = "LangChain text splitters"; homepage = "https://github.com/langchain-ai/langchain"; license = licenses.mit; };
  };

in
python3Packages.buildPythonApplication rec {
  pname = "nextcloud-mcp-server";
  version = "0.89.0";
  pyproject = true;

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

  build-system = [ python3Packages.hatchling ];

  dependencies = with python3Packages; [
    mcp httpx pillow icalendar pydantic click caldav pyjwt
    aiosqlite alembic authlib fastembed anthropic boto3 starlette
    jinja2 markdownify pymupdf pymupdf4llm openai dynaconf mistralai sqlalchemy

    pythonvcard4 prometheus-client python-json-logger importlib-metadata
    googleapis-common-protos opentelemetry-api opentelemetry-proto
    opentelemetry-semantic-conventions opentelemetry-sdk
    x-wr-timezone opentelemetry-util-http opentelemetry-exporter-otlp-proto-common
    opentelemetry-instrumentation recurring-ical-events
    opentelemetry-exporter-otlp-proto-grpc qdrant-client
    opentelemetry-instrumentation-asgi opentelemetry-instrumentation-httpx
    opentelemetry-instrumentation-logging langchain-text-splitters
  ];

  postPatch = ''
    substituteInPlace pyproject.toml \
      --replace-fail '"prometheus-client>=0.21.0"' '"prometheus-client"' \
      --replace-fail '"mcp>=1.27,<1.28"' '"mcp"' \
      --replace-fail '"mcp[cli]>=1.27,<1.28"' '"mcp"' \
      --replace-fail '"pymupdf4llm>=0.2.2"' '"pymupdf4llm"' \
      --replace-fail '"pymupdf>=1.26.6"' '"pymupdf"' \
      --replace-fail '"qdrant-client>=1.17.0"' '"qdrant-client"' \
      --replace-fail '"opentelemetry-api>=1.28.2"' '"opentelemetry-api"' \
      --replace-fail '"opentelemetry-sdk>=1.28.2"' '"opentelemetry-sdk"' \
      --replace-fail '"opentelemetry-instrumentation-asgi>=0.49b2"' '"opentelemetry-instrumentation-asgi"' \
      --replace-fail '"opentelemetry-instrumentation-httpx>=0.49b2"' '"opentelemetry-instrumentation-httpx"' \
      --replace-fail '"opentelemetry-instrumentation-logging>=0.49b2"' '"opentelemetry-instrumentation-logging"' \
      --replace-fail '"opentelemetry-exporter-otlp-proto-grpc>=1.28.2"' '"opentelemetry-exporter-otlp-proto-grpc"' \
      --replace-fail '"python-json-logger>=3.2.0"' '"python-json-logger"' \
      --replace-fail '"pythonvcard4>=0.2.0"' '"pythonvcard4"'
  '';

  doCheck = false;

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