diff --git a/packages/nextcloud-mcp-server/package.nix b/packages/nextcloud-mcp-server/package.nix
index 0bffa5f..13df73f 100644
--- a/packages/nextcloud-mcp-server/package.nix
+++ b/packages/nextcloud-mcp-server/package.nix
@@ -47,7 +47,7 @@ let
   # ── 16 packages from GitHub ──
   python-json-logger = mkPy {
     pname = "python-json-logger"; version = "4.1.0";
-    src = fetchFromGitHub { owner = "nhairs"; repo = "python-json-logger"; rev = "v4.1.0"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "nhairs"; repo = "python-json-logger"; rev = "v4.1.0"; hash = "sha256-hJ29rDP04apLf1zaP1vQrYF5xm4GtKZlvno97b7g+hg="; };
     meta = with lib; { description = "JSON logger"; homepage = "https://github.com/nhairs/python-json-logger"; license = licenses.bsd2; };
   };
   googleapis-common-protos = mkPy {
@@ -58,14 +58,14 @@ let
   };
   opentelemetry-api = mkPy {
     pname = "opentelemetry-api"; version = "1.39.1";
-    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python"; rev = "v1.39.1"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python"; rev = "v1.39.1"; hash = "sha256-GEcGADUdci6W2vfeXt/rjQOL/7r4RBxgyq+vy6tivBc="; };
     sourceRoot = "source/opentelemetry-api";
     propagatedBuildInputs = with python3Packages; [ deprecated ];
     meta = with lib; { description = "OpenTelemetry API"; homepage = "https://github.com/open-telemetry/opentelemetry-python"; license = licenses.asl20; };
   };
   opentelemetry-proto = mkPy {
     pname = "opentelemetry-proto"; version = "1.39.1";
-    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python"; rev = "v1.39.1"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python"; rev = "v1.39.1"; hash = "sha256-GEcGADUdci6W2vfeXt/rjQOL/7r4RBxgyq+vy6tivBc="; };
     sourceRoot = "source/opentelemetry-proto";
     propagatedBuildInputs = with python3Packages; [ protobuf ];
     meta = with lib; { description = "OpenTelemetry Proto"; homepage = "https://github.com/open-telemetry/opentelemetry-python"; license = licenses.asl20; };
@@ -79,73 +79,73 @@ let
   };
   opentelemetry-sdk = mkPy {
     pname = "opentelemetry-sdk"; version = "1.39.1";
-    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python"; rev = "v1.39.1"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python"; rev = "v1.39.1"; hash = "sha256-GEcGADUdci6W2vfeXt/rjQOL/7r4RBxgyq+vy6tivBc="; };
     sourceRoot = "source/opentelemetry-sdk";
     propagatedBuildInputs = with python3Packages; [ typing-extensions ];
     meta = with lib; { description = "OpenTelemetry SDK"; homepage = "https://github.com/open-telemetry/opentelemetry-python"; license = licenses.asl20; };
   };
   opentelemetry-util-http = mkPy {
     pname = "opentelemetry-util-http"; version = "0.60b1";
-    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python-contrib"; rev = "v0.60b1"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python-contrib"; rev = "v0.60b1"; hash = "sha256-tCtqLT+so4hBvjPB/hFogXzuje1YdGFtq9BmVKKyqoQ="; };
     sourceRoot = "source/util/opentelemetry-util-http";
     meta = with lib; { description = "OTel HTTP utils"; homepage = "https://github.com/open-telemetry/opentelemetry-python-contrib"; license = licenses.asl20; };
   };
   opentelemetry-exporter-otlp-proto-common = mkPy {
     pname = "opentelemetry-exporter-otlp-proto-common"; version = "1.39.1";
-    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python"; rev = "v1.39.1"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python"; rev = "v1.39.1"; hash = "sha256-GEcGADUdci6W2vfeXt/rjQOL/7r4RBxgyq+vy6tivBc="; };
     sourceRoot = "source/exporter/opentelemetry-exporter-otlp-proto-common";
     meta = with lib; { description = "OTLP proto common"; homepage = "https://github.com/open-telemetry/opentelemetry-python"; license = licenses.asl20; };
   };
   opentelemetry-instrumentation = mkPy {
     pname = "opentelemetry-instrumentation"; version = "0.60b1";
-    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python-contrib"; rev = "v0.60b1"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python-contrib"; rev = "v0.60b1"; hash = "sha256-tCtqLT+so4hBvjPB/hFogXzuje1YdGFtq9BmVKKyqoQ="; };
     sourceRoot = "source/opentelemetry-instrumentation";
     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 = mkPy {
     pname = "recurring-ical-events"; version = "3.8.2";
-    src = fetchFromGitHub { owner = "niccokunzmann"; repo = "python-recurring-ical-events"; rev = "v3.8.2"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "niccokunzmann"; repo = "python-recurring-ical-events"; rev = "v3.8.2"; hash = "sha256-/xTv/JovC8IVZz14ygnEL5vg/W8xR4Ie78hTi+gG58M="; };
     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 = mkPy {
     pname = "opentelemetry-exporter-otlp-proto-grpc"; version = "1.39.1";
-    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python"; rev = "v1.39.1"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python"; rev = "v1.39.1"; hash = "sha256-GEcGADUdci6W2vfeXt/rjQOL/7r4RBxgyq+vy6tivBc="; };
     sourceRoot = "source/exporter/opentelemetry-exporter-otlp-proto-grpc";
     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 = mkPy {
     pname = "qdrant-client"; version = "1.18.0";
-    src = fetchFromGitHub { owner = "qdrant"; repo = "qdrant-client"; rev = "v1.18.0"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "qdrant"; repo = "qdrant-client"; rev = "v1.18.0"; hash = "sha256-ZBP1D67u+KZmBi614nuToauI+xhdH1PKD3g6xRfFQxk="; };
     nativeBuildInputs = [ python3Packages.poetry-core ];
     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 = mkPy {
     pname = "opentelemetry-instrumentation-asgi"; version = "0.60b1";
-    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python-contrib"; rev = "v0.60b1"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python-contrib"; rev = "v0.60b1"; hash = "sha256-tCtqLT+so4hBvjPB/hFogXzuje1YdGFtq9BmVKKyqoQ="; };
     sourceRoot = "source/instrumentation/opentelemetry-instrumentation-asgi";
     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 = mkPy {
     pname = "opentelemetry-instrumentation-httpx"; version = "0.60b1";
-    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python-contrib"; rev = "v0.60b1"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python-contrib"; rev = "v0.60b1"; hash = "sha256-tCtqLT+so4hBvjPB/hFogXzuje1YdGFtq9BmVKKyqoQ="; };
     sourceRoot = "source/instrumentation/opentelemetry-instrumentation-httpx";
     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 = mkPy {
     pname = "opentelemetry-instrumentation-logging"; version = "0.60b1";
-    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python-contrib"; rev = "v0.60b1"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "open-telemetry"; repo = "opentelemetry-python-contrib"; rev = "v0.60b1"; hash = "sha256-tCtqLT+so4hBvjPB/hFogXzuje1YdGFtq9BmVKKyqoQ="; };
     sourceRoot = "source/instrumentation/opentelemetry-instrumentation-logging";
     meta = with lib; { description = "OTel logging"; homepage = "https://github.com/open-telemetry/opentelemetry-python-contrib"; license = licenses.asl20; };
   };
   langchain-text-splitters = mkPy {
     pname = "langchain-text-splitters"; version = "1.1.2";
-    src = fetchFromGitHub { owner = "langchain-ai"; repo = "langchain"; rev = "langchain-text-splitters==1.1.2"; hash = lib.fakeHash; };
+    src = fetchFromGitHub { owner = "langchain-ai"; repo = "langchain"; rev = "langchain-text-splitters==1.1.2"; hash = "sha256-AiRl8N2V2UfYLZfqxM8DHZmT76rH19I1gFyOYc/mpYY="; };
     sourceRoot = "source/libs/text-splitters";
     nativeBuildInputs = [ python3Packages.poetry-core ];
     propagatedBuildInputs = with python3Packages; [ langchain-core ];