diff --git a/pkgs/by-name/fi/files-to-prompt/package.nix b/pkgs/by-name/fi/files-to-prompt/package.nix
new file mode 100644
index 000000000000..efe36136e2d8
--- /dev/null
+++ b/pkgs/by-name/fi/files-to-prompt/package.nix
@@ -0,0 +1,43 @@
+{
+  lib,
+  python3Packages,
+  fetchFromGitHub,
+  versionCheckHook,
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "files-to-prompt";
+  version = "0.4";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "simonw";
+    repo = "files-to-prompt";
+    tag = version;
+    hash = "sha256-gl3j0ok/hlFfIF3HhhzYrUZuNlAtU7y+Ej29sQv9tP4=";
+  };
+
+  build-system = with python3Packages; [
+    setuptools
+  ];
+
+  dependencies = with python3Packages; [
+    click
+  ];
+
+  nativeCheckInputs = with python3Packages; [
+    pytestCheckHook
+    versionCheckHook
+  ];
+
+  versionCheckProgramArg = [ "--version" ];
+
+  meta = {
+    description = "Concatenate a directory full of files into a single prompt for use with LLMs";
+    homepage = "https://github.com/simonw/files-to-prompt/";
+    changelog = "https://github.com/simonw/files-to-prompt/releases/tag/${version}";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ erethon ];
+    mainProgram = "files-to-prompt";
+  };
+}