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When Local-First Developer Tools Belong in the Browser Versus the Command Line

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A developer argues that 'local-first' tooling is not one category, and that the browser and command line suit different jobs. Command-line tools are better for file-based, repeatable tasks that CI and coding agents can run and that return clear exit codes. Browser-based local tools fit one-off, visual tasks involving pasted or dragged blobs that don't need to be saved to disk. The author notes that coding agents excel at CLI workflows but struggle with GUI steps, so recurring jobs should become scripts while one-time visual checks stay in the browser. A simple rule of thumb is offered: if an agent or CI will run a task repeatedly, build a CLI; if a human needs to see it once, use the browser.

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