---
title: "Claude in Chrome Troubleshooting"
description: "Diagnose and fix Claude in Chrome MCP extension connectivity issues."
type: skill
canonical_url: https://claudary.paisolsolutions.com/skills/readme-610
source: "Claudary"
difficulty: intermediate
author: "Claude Code Knowledge Pack"
date: 2026-07-10T11:36:45.233Z
license: CC-BY-4.0
attribution: "Claude in Chrome Troubleshooting — Claudary (https://claudary.paisolsolutions.com/skills/readme-610)"
---

# Claude in Chrome Troubleshooting
Diagnose and fix Claude in Chrome MCP extension connectivity issues.

## Overview

# Claude in Chrome Troubleshooting

Diagnose and fix Claude in Chrome MCP extension connectivity issues.

**Original Author:** [@jeffzwang](https://github.com/jeffzwang) from [@ExaAILabs](https://github.com/ExaAILabs)
**Enhanced by:** Trail of Bits

## When to Use

- `mcp__claude-in-chrome__*` tools fail with "Browser extension is not connected"
- Browser automation works erratically or times out
- After updating Claude Code or Claude.app
- When switching between Claude Code CLI and Claude.app (Cowork)

## What It Does

- Explains the Claude.app vs Claude Code native host conflict
- Provides toggle script to switch between the two
- Quick diagnosis commands
- Full reset procedure
- Covers edge cases (multiple profiles, stale wrappers, TMPDIR issues)

## Installation

```
/plugin install trailofbits/skills/plugins/claude-in-chrome-troubleshooting
```

## License

This work is licensed under a [Creative Commons Attribution-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-sa/4.0/).

---

Source: [Claudary](https://claudary.paisolsolutions.com/skills/readme-610) · https://claudary.paisolsolutions.com