[BUG] "Claude in Chrome" extension cannot connect to Claude Code CLI

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

"Claude in Chrome" extension cannot connect to Claude Code CLI
Token mismatch between extension and CLI session
Previously troubleshot for hours, confirmed it's a server-side issue

What Should Happen?

Claude code should able to use google chrome.

Error Messages/Logs

⚠️ Claude in Chrome is not connected
The Chrome extension isn't reachable.

Steps to Reproduce

1. Install "Claude in Chrome" extension from Chrome Web Store
2. Open Claude Code CLI (v2.1.81) on Windows 11
3. Click extension icon → Click "Connect"
4. Extension shows connected, but CLI tools (tabs_context_mcp) return "not connected"
5. Tried switch_browser tool — still not connected
6. Previously spent 2+ hours troubleshooting with Claude — concluded token mismatch between extension and CLI session

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.81

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

• Model: Claude Opus 4.6
• Platform: Anthropic API
• OS: Windows 11 Home 10.0.26200
• Terminal: Windows Terminal (bash)
• Issue persists across multiple sessions/days