diff --git a/pkgs/by-name/re/repomix/package.nix b/pkgs/by-name/re/repomix/package.nix
new file mode 100644
index 00000000000000..d5c5e01cab0c3b
--- /dev/null
+++ b/pkgs/by-name/re/repomix/package.nix
@@ -0,0 +1,43 @@
+{
+  lib,
+  buildNpmPackage,
+  fetchFromGitHub,
+  nix-update-script,
+  versionCheckHook,
+}:
+
+buildNpmPackage rec {
+  pname = "repomix";
+  version = "0.2.6";
+
+  src = fetchFromGitHub {
+    owner = "yamadashy";
+    repo = "repomix";
+    tag = "v${version}";
+    hash = "sha256-ZYU85782Z6O69KkKu4h3OqJqAgaxktEgHkcfs2ms9xg=";
+  };
+
+  npmDepsHash = "sha256-r+RIa7ACXJv4/CutnN/3S36US6r7w0EkM9dA4ShWPdU=";
+
+  nativeInstallCheckInputs = [ versionCheckHook ];
+  doInstallCheck = true;
+
+  doCheck = true;
+
+  checkPhase = ''
+    runHook preCheck
+    npx vitest run
+    runHook postCheck
+  '';
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "Tool to pack repository contents to single file for AI consumption";
+    homepage = "https://github.com/yamadashy/repomix";
+    changelog = "https://github.com/yamadashy/repomix/releases/tag/v${version}";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ thinnerthinker ];
+    mainProgram = "repomix";
+  };
+}