pwa-debug Lets Claude Debug Your Live, Logged-In Browser Directly

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A developer built pwa-debug, an open-source MIT-licensed MCP server paired with a browser extension, to stop AI assistants from relying on manual copy-pasting for debugging. The tool gives agents like Claude Code structured access to a live browser's DOM, console, network, framework state, service workers, caches, and storage, and lets them interact with the page. It targets PWA problems such as stale caches, service workers that won't update, install failures, and post-deploy version skew. Unlike Google's chrome-devtools-mcp, which launches a fresh automated Chrome without cookies or sessions, pwa-debug attaches to the user's normal profile by default, preserving authenticated sessions and real service-worker state. It reads React, Vue, Svelte, Solid, Redux, Zustand, Pinia, and Jotai state through framework devtools hooks, and is available via npm as @aryanduntley/pwa-debug.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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