[Bug] Chrome DevTools MCP hijacks system AppleScript events for Google Chrome

Status Open
Reported on v2.1.270
Maintainer reply None cached
Activity 0 comments · opened Sep 14, 2026

Bug Description
chrome-devtools-mcp launches Chrome from the stable bundle with a custom --user-data-dir, which hijacks all AppleScript Apple events for 'Google Chrome' and breaks user automation against their real browser; it should use a distinct bundle or expose a TCP debugging port.

Environment Info

  • Platform: darwin
  • Terminal: iTerm.app
  • Version: 2.1.270
  • Feedback ID: e6940080-2c59-4f0e-8928-11ffa0014752

Errors

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