Retrace
Record agent execution, replay failures, and compare fixes before release.
Follow Xcode agent sessions, builds and tests in one window

Agent Activity is a Mac app for following AI-assisted development in Xcode. It brings live agent sessions, build timelines, and test results into a single window, giving developers a place to inspect an iteration from the first build through errors, fixes, and a successful result. This is useful when several sessions or repeated build attempts make it difficult to see what happened in order.
The app runs locally and requires no separate account or application server. Project content, transcripts, and build-log content stay on the Mac. Optional diagnostic sharing is controlled separately in settings. Agent Activity is available through the Mac App Store for supported macOS versions.
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