diff --git a/pkgs/development/ocaml-modules/magic-trace/default.nix b/pkgs/development/ocaml-modules/magic-trace/default.nix
new file mode 100644
index 000000000000..1f1417f67275
--- /dev/null
+++ b/pkgs/development/ocaml-modules/magic-trace/default.nix
@@ -0,0 +1,27 @@
+{ lib, fetchFromGitHub, buildDunePackage, async, cohttp_static_handler
+, core_unix, owee, ppx_jane, shell }:
+
+buildDunePackage rec {
+  pname = "magic-trace";
+  version = "1.1.0";
+
+  minimalOCamlVersion = "4.12";
+  duneVersion = "3";
+
+  src = fetchFromGitHub {
+    owner = "janestreet";
+    repo = "magic-trace";
+    rev = "v${version}";
+    sha256 = "sha256-615AOkrbQI6vRosA5Kz3Epipe9f9+Gs9+g3bVl5gzBY=";
+  };
+
+  buildInputs = [ async cohttp_static_handler core_unix owee ppx_jane shell ];
+
+  meta = with lib; {
+    description =
+      "Collects and displays high-resolution traces of what a process is doing";
+    license = licenses.mit;
+    maintainers = [ maintainers.alizter ];
+    homepage = "https://github.com/janestreet/magic-trace";
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index e6da9aca10cb..3f8667af9ae7 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -895,6 +895,7 @@ let
 
     magic-mime = callPackage ../development/ocaml-modules/magic-mime { };
 
+    magic-trace = callPackage ../development/ocaml-modules/magic-trace { };
 
     mariadb = callPackage ../development/ocaml-modules/mariadb {
       inherit (pkgs) mariadb;