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claude-in-chrome-troubleshooting

Diagnose and fix native messaging host conflicts for Claude in Chrome MCP tools on macOS.

1|Updated Feb 17, 2026
Search Tags:#troubleshooting#claude#chrome#connectivity#browser extension#native messaging
One-click install
npx skills add https://github.com/Ramprasad4121/srp --skill claude-in-chrome-troubleshooting-ramprasad4121
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: claude-in-chrome-troubleshooting
Source: https://github.com/Ramprasad4121/srp/tree/main/skills-repos/trailofbits/plugins/claude-in-chrome-troubleshooting/skills/claude-in-chrome-troubleshooting
Command: npx skills add https://github.com/Ramprasad4121/srp --skill claude-in-chrome-troubleshooting-ramprasad4121

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill helps diagnose and resolve connectivity issues between the Claude browser extension and its native messaging host, ensuring reliable communication for AI-powered browser interactions.

Core Features & Use Cases

  • Diagnose Connectivity: Identifies conflicts between Claude.app and Claude Code CLI native hosts.
  • Resolve Conflicts: Provides steps to disable the incorrect native host configuration.
  • Use Case: When Claude extension tools report "Browser extension is not connected" despite Claude.app or Claude Code running, this skill guides you through the necessary configuration changes and restarts to re-establish communication.

Quick Start

Run the chrome-mcp-toggle command to switch between Claude Code CLI and Claude.app native hosts.

Frequently Asked Questions about claude-in-chrome-troubleshooting

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
Why does the Claude Chrome extension say "Browser extension is not connected"?▼

The Claude Chrome extension reports this error when a native messaging host conflict exists between Claude.app and Claude Code CLI on macOS, preventing socket connections. Diagnosing these conflicts and restarting applications re-establishes browser communication.

How do I fix native messaging host conflicts between Claude.app and Claude Code CLI?▼

To fix native messaging host conflicts, disable the incorrect native host configuration, restart your Claude applications, and verify socket connections. Running the chrome-mcp-toggle command switches between Claude Code CLI and Claude.app native hosts.

Can I use the Claude Chrome extension with both Claude.app and Claude Code CLI running?▼

Using the Claude Chrome extension with both Claude.app and Claude Code CLI running on macOS causes native messaging host conflicts. You must toggle between hosts using the chrome-mcp-toggle command to ensure reliable extension connectivity.

What is the best way to switch native hosts for the Claude browser extension?▼

The best way to switch native hosts is running the chrome-mcp-toggle command, which disables the incorrect configuration and establishes the correct native messaging host for your Claude browser extension tools.

Does this Claude Chrome troubleshooting process work on operating systems other than macOS?▼

This troubleshooting process specifically diagnoses and resolves native messaging host conflicts for Claude in Chrome MCP tools on macOS. It guides macOS configuration changes and application restarts to verify socket connections.

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