Lightlines
By trailofbits

chrome-mcp-troubleshooting

trailofbits2k installs

Get Claude in Chrome connected again.

What it does

Restore Claude in Chrome browser connectivity by diagnosing native-host conflicts and repairing local MCP configuration.

When to use it

Use when browser-extension tools fail to connect, browser automation is unreliable, or connectivity breaks after updates or switching clients.

How to use it

Give it a Claude in Chrome connection problem; it diagnoses the native-host setup and repairs configuration on your computer.

Uses

Good to know

  • cannot be undone: ~/.claude/chrome/chrome-native-host; /tmp/claude-mcp-browser-bridge-$USER/; $TMPDIR/claude-mcp-browser-bridge-$USER

Latest review

What you need · 3

Requires macOS; the instructions explicitly exclude Linux and Windows because they use macOS-specific paths and tools.

Requires an installed Chrome browser that can be quit and reopened during the reset.


Access · 8

This skill

~/.claude/chrome/chrome-native-host

Write

Overwrites your native-host wrapper (irreversible)

/tmp/claude-mcp-browser-bridge-$USER/

Write

Deletes desktop browser-bridge sockets (irreversible)