diff --git a/pkgs/by-name/oa/oauth2ms/package.nix b/pkgs/by-name/oa/oauth2ms/package.nix
new file mode 100644
index 000000000000..b32ea14d3a9f
--- /dev/null
+++ b/pkgs/by-name/oa/oauth2ms/package.nix
@@ -0,0 +1,35 @@
+{ lib, stdenv, fetchFromGitHub, python3 }:
+
+stdenv.mkDerivation {
+  pname = "oauth2ms";
+  version = "2021-07-09";
+
+  src = fetchFromGitHub {
+    owner = "harishkrupo";
+    repo = "oauth2ms";
+    rev = "a1ef0cabfdea57e9309095954b90134604e21c08"; # No tags or releases in the repo
+    sha256 = "sha256-xPSWlHJAXhhj5I6UMjUtH1EZqCZWHJMFWTu3a4k1ETc";
+  };
+
+  buildInputs = [
+    (python3.withPackages (ps: with ps; [
+      pyxdg
+      msal
+      python-gnupg
+    ]))
+  ];
+
+  installPhase = ''
+    runHook preInstall
+    install -m755 -D oauth2ms $out/bin/oauth2ms
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/harishkrupo/oauth2ms";
+    description = "XOAUTH2 compatible Office365 token fetcher";
+    platforms = platforms.all;
+    license = licenses.asl20;
+    maintainers = with maintainers; [ wentasah ];
+  };
+}