diff --git a/README.md b/README.md
index 810c0ff6..f70bc9f0 100644
--- a/README.md
+++ b/README.md
@@ -2,20 +2,35 @@
 
 Get a Todo list ChatGPT plugin up and running in under 5 minutes using Python. If you do not already have plugin developer access, please [join the waitlist](https://openai.com/waitlist/plugins).
 
-## Setup
 
-To install the required packages for this plugin, run the following command:
+## Python Setup
 
-```bash
+To install the required packages for the Python version of this plugin, run the following command:
+
+```bach
 pip install -r requirements.txt
 ```
 
-To run the plugin, enter the following command:
+To run the Python plugin, enter the following command:
 
 ```bash
 python main.py
 ```
 
+## JavaScript Setup
+
+To install the required packages for the JavaScript version of this plugin, run the following command:
+
+```bash
+npm install
+```
+
+To run the JavaScript plugin, enter the following command:
+
+```bash
+node main.js
+```
+
 Once the local server is running:
 
 1. Navigate to https://chat.openai.com. 
diff --git a/main.js b/main.js
new file mode 100644
index 00000000..37966e3d
--- /dev/null
+++ b/main.js
@@ -0,0 +1,68 @@
+const express = require('express');
+const cors = require('cors');
+const fs = require('fs');
+
+const app = express();
+app.use(express.json());
+app.use(cors({ origin: 'https://chat.openai.com' }));
+
+// Keep track of todo's. Does not persist if the Node.js process is restarted.
+const TODOS = {};
+
+app.post('/todos/:username', (req, res) => {
+  const username = req.params.username;
+  if (!TODOS[username]) {
+    TODOS[username] = [];
+  }
+  TODOS[username].push(req.body.todo);
+  res.status(200).send('OK');
+});
+
+app.get('/todos/:username', (req, res) => {
+  const username = req.params.username;
+  res.status(200).json(TODOS[username] || []);
+});
+
+app.delete('/todos/:username', (req, res) => {
+  const username = req.params.username;
+  const todoIdx = req.body.todo_idx;
+  // fail silently, it's a simple plugin
+  if (0 <= todoIdx && todoIdx < TODOS[username].length) {
+    TODOS[username].splice(todoIdx, 1);
+  }
+  res.status(200).send('OK');
+});
+
+app.get('/logo.png', (req, res) => {
+  res.sendFile('logo.png', { root: __dirname }, (err) => {
+    if (err) {
+      res.status(500).send(err);
+    }
+  });
+});
+
+app.get('/.well-known/ai-plugin.json', (req, res) => {
+  fs.readFile('./.well-known/ai-plugin.json', 'utf8', (err, data) => {
+    if (err) {
+      res.status(500).send(err);
+    } else {
+      res.set('Content-Type', 'text/json');
+      res.status(200).send(data);
+    }
+  });
+});
+
+app.get('/openapi.yaml', (req, res) => {
+  fs.readFile('openapi.yaml', 'utf8', (err, data) => {
+    if (err) {
+      res.status(500).send(err);
+    } else {
+      res.set('Content-Type', 'text/yaml');
+      res.status(200).send(data);
+    }
+  });
+});
+
+app.listen(5003, '0.0.0.0', () => {
+  console.log('App is running on port 5003');
+});
diff --git a/package.json b/package.json
new file mode 100644
index 00000000..eb297785
--- /dev/null
+++ b/package.json
@@ -0,0 +1,6 @@
+{
+  "dependencies": {
+    "cors": "^2.8.5",
+    "express": "^4.18.2"
+  }
+}