Chrome extension not connecting to Claude Code despite correct setup

I'm following by recommendation of Claude Code to report this issue on Github
Chrome extension not connecting to Claude Code despite correct setup

## Bug Description
The Claude for Chrome extension fails to connect to Claude Code.
The tabs_context_mcp tool consistently returns "Browser extension is not connected."

## Environment

• Claude Code version: 2.1.139
• Claude for Chrome extension version: 1.0.70
• OS: Windows 11 Home Single Language 10.0.26200
• Browser: Google Chrome

## Steps taken

• Extension is installed and enabled in chrome://extensions
• Logged into claude.ai in Chrome with the same account as Claude Code
• Restarted Chrome completely
• Restarted Claude Code

## Expected behavior
Claude Code should be able to connect to Chrome via the extension and use browser automation tools.

## Actual behavior
Every call to tabs_context_mcp returns: "Browser extension is not connected."