ChatGPT Plugin Starter TypeScript NextJS

In the world of AI development, there are plenty of Python examples but far fewer in Typescript/Javascript.

This is starter app for building ChatGPT plugins in typescript. It uses the new Next 13 app routes, which are still "beta" so use at your own risk! Clone / star / fork the repo here: to get access. Once granted access you'll get an email from OpenAI and the plugins interface will be available to you in ChatGPT. While not ideal, you can begin developing plugins (which are simply API routes) without access.

OpenAI plugins connect ChatGPT to third-party applications. These plugins enable ChatGPT to interact with APIs, enhancing ChatGPT's capabilities and allowing it to perform a wide range of actions. Developing ChatGPT plugins involves building an API accompanied by a standardized manifest file and an OpenAPI specification. These define the plugin's functionality, allowing ChatGPT to make calls to you API routes. ChatGPT plugin APIs follow the OpenAPI specification (OpenAPI, aka Swagger, not OpenAI!), which allows ChatGPT to automatically generate a UI for the plugin. This UI is used to configure the plugin and to display the plugin's output. For more information on ChatGPT plugins, see the and install dependencies

gh repo clone gannonh/chatgpt-plugin-starter-nextjs



cd chatgpt-plugin-starter-nextjs



npm install

2. Build and run the API

npm run build

npm run start

⚠️ In dev mode (npm run dev) I had issues with memory/state persistence, so I recommend running in production mode

3. Register your plugin for local access/development

• In ChatGPT select "Plugins ALPHA" from the Model dropdown, and then "plugin store" from the Plugins dropdown.


• Click "Develop your own plugin" (not install unverified plugin)


• Enter localhost for the URL (eg,
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