use-cases/api-integration-migrations.md Codex Docs, 2026-03-31 00:39 UTC → 2026-04-13 18:37 UTC

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62## Related use cases62## Related use cases

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64[![](/images/codex/codex-wallpaper-1.webp)64[![](/images/codex/codex-wallpaper-2.webp)

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66### Create browser-based games66### Add Mac telemetry

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68Use Codex to turn a game brief into first a well-defined plan, and then a real browser-based...68Use Codex and the Build macOS Apps plugin to add a few high-signal `Logger` events around...

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70Engineering Code](https://developers.openai.com/codex/use-cases/browser-games)[![](/images/codex/codex-wallpaper-1.webp)70macOS Code](https://developers.openai.com/codex/use-cases/macos-telemetry-logs)[![](/images/codex/codex-wallpaper-2.webp)

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72### Bring your app to ChatGPT72### Create a CLI Codex can use

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74Build one narrow ChatGPT app outcome end to end: define the tools, scaffold the MCP server...74Ask Codex to create a composable CLI it can run from any folder, combine with repo scripts...

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76Integrations Code](https://developers.openai.com/codex/use-cases/chatgpt-apps)[![](/images/codex/codex-wallpaper-3.webp)76Engineering Code](https://developers.openai.com/codex/use-cases/agent-friendly-clis)[![](/images/codex/codex-wallpaper-1.webp)

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78### Build for iOS and macOS78### Create browser-based games

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80Use Codex to scaffold SwiftUI projects, keep the build loop CLI-first with `xcodebuild` or...80Use Codex to turn a game brief into first a well-defined plan, and then a real browser-based...

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82Mobile Code](https://developers.openai.com/codex/use-cases/native-ios-macos-apps)82Engineering Code](https://developers.openai.com/codex/use-cases/browser-games)