diff --git a/pkgs/development/python-modules/starlink-grpc-core/default.nix b/pkgs/development/python-modules/starlink-grpc-core/default.nix
new file mode 100644
index 000000000000..f84b01013280
--- /dev/null
+++ b/pkgs/development/python-modules/starlink-grpc-core/default.nix
@@ -0,0 +1,52 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  pythonOlder,
+  setuptools,
+  setuptools-scm,
+  grpcio,
+  protobuf,
+  yagrc,
+}:
+
+buildPythonPackage rec {
+  pname = "starlink-grpc-core";
+  version = "1.2.3";
+  pyproject = true;
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "sparky8512";
+    repo = "starlink-grpc-tools";
+    tag = "v${version}";
+    hash = "sha256-TXj8cU5abVIA81vEylYgZCIAUk31BppwRdHMl9kOEPQ=";
+  };
+
+  pypaBuildFlags = [ "packaging" ];
+
+  build-system = [
+    setuptools
+    setuptools-scm
+  ];
+
+  dependencies = [
+    grpcio
+    protobuf
+    yagrc
+  ];
+
+  # no tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "starlink_grpc" ];
+
+  meta = {
+    description = "Core functions for Starlink gRPC communication";
+    homepage = "https://github.com/sparky8512/starlink-grpc-tools";
+    changelog = "https://github.com/sparky8512/starlink-grpc-tools/releases/tag/v${version}";
+    license = lib.licenses.unlicense;
+    maintainers = [ lib.maintainers.jamiemagee ];
+  };
+}
diff --git a/pkgs/development/python-modules/yagrc/default.nix b/pkgs/development/python-modules/yagrc/default.nix
new file mode 100644
index 000000000000..885973956df7
--- /dev/null
+++ b/pkgs/development/python-modules/yagrc/default.nix
@@ -0,0 +1,57 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  pythonOlder,
+  setuptools,
+  setuptools-scm,
+  grpcio,
+  grpcio-reflection,
+  protobuf,
+  pytestCheckHook,
+  pytest-grpc,
+}:
+
+buildPythonPackage rec {
+  pname = "yagrc";
+  version = "1.1.2";
+  pyproject = true;
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "sparky8512";
+    repo = "yagrc";
+    tag = "v${version}";
+    hash = "sha256-nqUzDJfLsI8n8UjfCuOXRG6T8ibdN6fSGPPxm5RJhQk=";
+  };
+
+  build-system = [
+    setuptools
+    setuptools-scm
+  ];
+
+  dependencies = [
+    grpcio
+    grpcio-reflection
+    protobuf
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+    pytest-grpc
+  ];
+
+  # tests fail due to pytest-grpc compatibility issues with newer grpcio versions
+  doCheck = false;
+
+  pythonImportsCheck = [ "yagrc" ];
+
+  meta = {
+    description = "Yet another gRPC reflection client";
+    homepage = "https://github.com/sparky8512/yagrc";
+    changelog = "https://github.com/sparky8512/yagrc/releases";
+    license = lib.licenses.asl20;
+    maintainers = [ lib.maintainers.jamiemagee ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 8a0da8e0ed59..eda661c25a86 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -5579,7 +5579,8 @@
       ]; # missing inputs: starlingbank
     "starlink" =
       ps: with ps; [
-      ]; # missing inputs: starlink-grpc-core
+        starlink-grpc-core
+      ];
     "startca" =
       ps: with ps; [
         xmltodict
@@ -7565,6 +7566,7 @@
     "srp_energy"
     "ssdp"
     "starline"
+    "starlink"
     "startca"
     "statistics"
     "statsd"
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 16275f74768b..4c954353961a 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -17118,6 +17118,8 @@ self: super: with self; {
 
   starline = callPackage ../development/python-modules/starline { };
 
+  starlink-grpc-core = callPackage ../development/python-modules/starlink-grpc-core { };
+
   stashy = callPackage ../development/python-modules/stashy { };
 
   static3 = callPackage ../development/python-modules/static3 { };
@@ -19739,6 +19741,8 @@ self: super: with self; {
 
   yacs = callPackage ../development/python-modules/yacs { };
 
+  yagrc = callPackage ../development/python-modules/yagrc { };
+
   yalesmartalarmclient = callPackage ../development/python-modules/yalesmartalarmclient { };
 
   yalexs = callPackage ../development/python-modules/yalexs { };