diff --git a/pkgs/by-name/cl/claude-monitor/package.nix b/pkgs/by-name/cl/claude-monitor/package.nix
new file mode 100644
index 000000000000..f7e25a877a4c
--- /dev/null
+++ b/pkgs/by-name/cl/claude-monitor/package.nix
@@ -0,0 +1,47 @@
+{
+  lib,
+  python3Packages,
+  fetchFromGitHub,
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "claude-monitor";
+  version = "3.1.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "Maciek-roboblog";
+    repo = "Claude-Code-Usage-Monitor";
+    tag = "v${version}";
+    hash = "sha256-v5ooniaN1iVerBW77/00SpghIVE1j8cl2WENcPnS66M=";
+  };
+
+  build-system = with python3Packages; [ setuptools ];
+
+  dependencies = with python3Packages; [
+    numpy
+    pydantic
+    pydantic-settings
+    pyyaml
+    pytz
+    rich
+  ];
+
+  # Tests require Claude API access and local data files
+  doCheck = false;
+
+  meta = {
+    description = "Real-time Claude Code usage monitor";
+    longDescription = ''
+      Real-time terminal monitoring tool for Claude AI token usage
+      with advanced analytics, machine learning-based predictions,
+      and Rich UI. Track your token consumption, burn rate, cost analysis,
+      and get intelligent predictions about session limits.
+    '';
+    homepage = "https://github.com/Maciek-roboblog/Claude-Code-Usage-Monitor";
+    changelog = "https://github.com/Maciek-roboblog/Claude-Code-Usage-Monitor/blob/v${version}/CHANGELOG.md";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ iamanaws ];
+    mainProgram = "claude-monitor";
+  };
+}