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Loupe brings on-device network and storage debugging to React Native apps

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A developer has released Loupe, an open-source debug overlay tool for React Native that displays network activity, logs, storage data, and deep links directly within the app on a real device. The tool requires just a single import line in index.js and needs no desktop client, USB cable, or additional configuration. Loupe is automatically excluded from production builds by design, as all debug code sits behind the __DEV__ flag and is stripped out by Metro during release compilation. It offers first-class GraphQL support by labeling requests with operation names and flagging HTTP 200 responses that contain errors, addressing a common blind spot in standard network inspectors. Sensitive storage values such as auth tokens remain masked by default, with copy functionality disabled until the user explicitly reveals them.

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