diff --git a/pkgs/by-name/mi/mixtool/package.nix b/pkgs/by-name/mi/mixtool/package.nix
new file mode 100644
index 000000000000..9eb62ede641f
--- /dev/null
+++ b/pkgs/by-name/mi/mixtool/package.nix
@@ -0,0 +1,33 @@
+{
+  lib,
+  buildGoModule,
+  fetchFromGitHub,
+}:
+
+buildGoModule (finalAttrs: {
+  pname = "mixtool";
+  version = "0-unstable-2025-07-07";
+
+  src = fetchFromGitHub {
+    owner = "monitoring-mixins";
+    repo = "mixtool";
+    rev = "1abe34c3187d53b795d0474535b476bc9b7500c3";
+    hash = "sha256-RRoz5Kp/IGkUD6XVK70+k4L05rYqhkqh6LpopihyEd8=";
+  };
+
+  vendorHash = "sha256-o9HNcq7XHXH/s6UthYADsktGh9NjgC1rVPbGP11Cfc0=";
+
+  ldflags = [
+    "-s"
+    "-w"
+    "-X main.version=${finalAttrs.version}"
+  ];
+
+  meta = {
+    description = "Helper for easily working with jsonnet mixins";
+    homepage = "https://github.com/monitoring-mixins/mixtool";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ arikgrahl ];
+    mainProgram = "mixtool";
+  };
+})