diff --git a/pkgs/development/python-modules/llm-tools-quickjs/default.nix b/pkgs/development/python-modules/llm-tools-quickjs/default.nix
new file mode 100644
index 000000000000..b8f934c5a5b6
--- /dev/null
+++ b/pkgs/development/python-modules/llm-tools-quickjs/default.nix
@@ -0,0 +1,50 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  setuptools,
+  quickjs,
+  llm,
+  llm-tools-quickjs,
+  llm-echo,
+  pytestCheckHook,
+  writableTmpDirAsHomeHook,
+}:
+
+buildPythonPackage rec {
+  pname = "llm-tools-quickjs";
+  version = "0.1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "simonw";
+    repo = "llm-tools-quickjs";
+    tag = version;
+    hash = "sha256-Si3VcHnRUj8Q/N8pRhltPOM6K64TX9DBH/u4WQxQJjQ=";
+  };
+
+  build-system = [
+    setuptools
+    llm
+  ];
+
+  dependencies = [ quickjs ];
+
+  nativeCheckInputs = [
+    llm-echo
+    pytestCheckHook
+    writableTmpDirAsHomeHook
+  ];
+
+  pythonImportsCheck = [ "llm_tools_quickjs" ];
+
+  passthru.tests = llm.mkPluginTest llm-tools-quickjs;
+
+  meta = {
+    description = "JavaScript execution as a tool for LLM";
+    homepage = "https://github.com/simonw/llm-tools-quickjs";
+    changelog = "https://github.com/simonw/llm-tools-quickjs/releases/tag/${version}/CHANGELOG.md";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ philiptaron ];
+  };
+}
diff --git a/pkgs/development/python-modules/llm/default.nix b/pkgs/development/python-modules/llm/default.nix
index e6d693165763..826a502de7f8 100644
--- a/pkgs/development/python-modules/llm/default.nix
+++ b/pkgs/development/python-modules/llm/default.nix
@@ -82,6 +82,7 @@ let
       llm-sentence-transformers ? false,
       llm-templates-fabric ? false,
       llm-templates-github ? false,
+      llm-tools-quickjs ? false,
       llm-venice ? false,
       llm-video-frames ? false,
       ...
@@ -162,7 +163,8 @@ let
     patches = [ ./001-disable-install-uninstall-commands.patch ];
 
     postPatch = ''
-      substituteInPlace llm/cli.py --replace-fail "@listOfPackagedPlugins@" "$(< ${listOfPackagedPlugins})"
+      substituteInPlace llm/cli.py \
+        --replace-fail "@listOfPackagedPlugins@" "$(< ${listOfPackagedPlugins})"
     '';
 
     dependencies = [
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 08ce80666cde..8bdcd385da26 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8334,6 +8334,8 @@ self: super: with self; {
 
   llm-templates-github = callPackage ../development/python-modules/llm-templates-github { };
 
+  llm-tools-quickjs = callPackage ../development/python-modules/llm-tools-quickjs { };
+
   llm-venice = callPackage ../development/python-modules/llm-venice { };
 
   llm-video-frames = callPackage ../development/python-modules/llm-video-frames { };