10 open-source repos that put an AI agent inside your browser, led by Chrome DevTools MCP at 53K stars

victor_explore · x · 2026-10-14

A curated list of 10 open-source GitHub projects that embed AI agents in your browser (stars as of Oct 2026): Chrome DevTools MCP (53K stars, official Chrome team, lets coding agents click/read/debug your live Chrome), Microsoft's Playwright MCP (38K), Alibaba's Page Agent (29K, one-script page agent with multi-tab extension), Midscene (15K, screenshot-driven testing agent), Nanobrowser (14K, Chrome side panel), BrowserOS (14K, open-source Chromium AI browser), Playwriter (4K, Playwright in real tabs), AIPex (1K, side panel + MCP + CLI), peerd (417, full agent in an extension, no backend), and Mozilla's Pilo (103, Firefox web agent).

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