chatgpt-app-builder
This skill guides developers through building ChatGPT apps with Skybridge, covering discovery, implementation, OAuth, CSP, local dev, and deployment. It includes shell commands like `npm run dev` and `ngrok http 3000`, reads auth tokens (`authorization` header / `token`), uses `MCP_SERVER_URL`, and references endpoints such as `https://your-oauth-provider.com` and `https://platform.openai.com`.