Start building ChatGPT apps, FAST
Start building: https://gadget.new
Use Gadget's built-in ChatGPT connection to get a head start when building your ChatGPT apps!
The connection handles all the boilerplate required for ChatGPT apps, including:
ChatGPT's OAuth
MCP server setup and /mcp routes, plus sample tool calls
React & Vite widget bundling
React Router setup
Authenticated API client for multi-tenant apps and session management
Resources:
Gadget docs: https://docs.gadget.dev/guides/plugin...
Gadget developer Discord: https://ggt.link/discord
ChatGPT Apps SDK docs: https://developers.openai.com/apps-sdk
Chapters
00:00 Intro & app creation
01:12 Connect to ChatGPT
02:42 Explore the React widget
05:40 Explore the MCP server
07:54 Plus, a full web app
08:36 Outro