diff --git a/pkgs/by-name/tm/tmpi/package.nix b/pkgs/by-name/tm/tmpi/package.nix
new file mode 100644
index 000000000000..f61af72dc0f2
--- /dev/null
+++ b/pkgs/by-name/tm/tmpi/package.nix
@@ -0,0 +1,48 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, mpi
+, mpich
+, tmux
+, reptyr
+, autoconf
+, makeWrapper
+}:
+
+stdenv.mkDerivation rec {
+  pname = "tmpi";
+  version = "0-unstable-2022-02-22";
+
+  src = fetchFromGitHub {
+    owner = "Azrael3000";
+    repo = "tmpi";
+    rev = "f5a0fd8848b5c87b301edc8a23de9bfcfbd41918";
+    hash = "sha256-BaOaMpsF8ho8EIVuHfu4+CiVV3yLoC3tDkLq4R8BYBA=";
+  };
+
+  propagatedBuildInputs = [ mpi mpich reptyr tmux ];
+
+  buildInputs = [ autoconf makeWrapper ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin
+
+    install -m755 tmpi $out/bin/tmpi
+
+    wrapProgram $out/bin/tmpi \
+      --prefix PATH : ${lib.makeBinPath [ mpi mpich tmux reptyr ]}
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Run a parallel command inside a split tmux window";
+    mainProgram = "tmpi";
+    homepage = "https://github.com/Azrael3000/tmpi";
+    license = lib.licenses.gpl2;
+    maintainers = with lib.maintainers; [ vasissualiyp ];
+    platforms = reptyr.meta.platforms;
+  };
+}