diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a673e78
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.direnv/
\ No newline at end of file
diff --git a/elisp/test-jx.py b/elisp/test-jx.py
new file mode 100755
index 0000000..2e7522e
--- /dev/null
+++ b/elisp/test-jx.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+
+import json
+import sys
+
+def jx_ask():
+    return None
+
+if __name__ == "__main__":
+    question1 = {
+        "command": "prompt",
+        "type": "string",
+        "prompt": "Enter your name: ",
+    }
+    print(json.dumps(question1))
+    answer = input()
+    print(answer, file=sys.stderr)
+
+    question2 = {
+        "command": "prompt",
+        "type": "string",
+        "prompt": "Please try again: ",
+    }
+    print(json.dumps(question2))
+    answer = input()
+    print(answer, file=sys.stderr)
+
+    success = {
+        "command": "success",
+    }
+    print(json.dumps(success))
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..8cce103
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,21 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  };
+  outputs = { self, nixpkgs }:
+    let
+      supportedSystems = [ "x86_64-linux" "aarch64-linux" ];
+      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+    in
+      {
+        devShells = forAllSystems (system: {
+          default = nixpkgs.legacyPackages.${system}.mkShellNoCC {
+            packages = with nixpkgs.legacyPackages.${system}; [
+              ruff
+              poetry
+              python
+            ];
+          };
+        });
+      };
+}