Chrome extension not connecting to Claude Code CLI

Description

The Claude browser extension is installed and enabled in Chrome, but Claude Code CLI cannot connect to it. The tabs_context_mcp tool consistently returns "Browser extension is not connected."

Steps to Reproduce

1. Install the Claude browser extension from https://claude.ai/chrome
2. Confirm the extension is enabled in chrome://extensions
3. Start Claude Code CLI
4. Attempt to use browser automation tools (e.g., tabs_context_mcp)

What I Tried

• Restarting Chrome (full close and reopen)
• Verifying the extension is installed and enabled
• Multiple connection attempts from the CLI

Environment

• Platform: Windows
• Tool: Claude Code CLI (Opus 4.5)

Expected Behavior

The extension should connect and return tab context information.

Actual Behavior

Every call returns: "Browser extension is not connected. Please ensure the Claude browser extension is installed and running."