diff --git a/pkgs/by-name/pr/priocpp/package.nix b/pkgs/by-name/pr/priocpp/package.nix
new file mode 100644
index 000000000000..d2518f9bee89
--- /dev/null
+++ b/pkgs/by-name/pr/priocpp/package.nix
@@ -0,0 +1,54 @@
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  cmake,
+  pkg-config,
+  fmt,
+  gtest,
+  logmich,
+  tinycmmc,
+  jsoncpp,
+  sexp-cpp,
+}:
+
+stdenv.mkDerivation {
+  pname = "priocpp";
+  version = "0.0.0-unstable-2025-07-21";
+
+  src = fetchFromGitHub {
+    owner = "Grumbel";
+    repo = "priocpp";
+    rev = "b2664449adcaed93f609e3ea1fb68f8295390ce9";
+    sha256 = "sha256-tn0UNK+rQQPpSgTexOKyROOvX6ynEHFUj+gk11dlh/8=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+  ];
+  propagatedBuildInputs = [
+    fmt
+    gtest
+    logmich
+    tinycmmc
+    jsoncpp
+    sexp-cpp
+  ];
+
+  cmakeFlags = [
+    "-DBUILD_EXTRA=ON"
+    "-DBUILD_TESTS=ON"
+    "-DPRIO_USE_JSONCPP=ON"
+    "-DPRIO_USE_SEXPCPP=ON"
+  ];
+
+  doCheck = true;
+
+  meta = {
+    description = "Property I/O for C++";
+    maintainers = [ lib.maintainers.SchweGELBin ];
+    platforms = lib.platforms.linux;
+    license = lib.licenses.free;
+  };
+}