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chrome-troubleshooting

Resolve the "No Chrome extension connected" error in Claude Code CLI.

Updated Apr 20, 2026
Search Tags:#troubleshooting#mcp#chrome#claude-code#browser-extension#native-messaging#connection-error
One-click install
npx skills add https://github.com/croban/ai-dev-blueprint --skill chrome-troubleshooting
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: chrome-troubleshooting
Source: https://github.com/croban/ai-dev-blueprint/tree/main/skills/chrome-troubleshooting
Command: npx skills add https://github.com/croban/ai-dev-blueprint --skill chrome-troubleshooting

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill resolves the "No Chrome extension connected" error that breaks claude-in-chrome MCP tools in Claude Code CLI, caused by conflicting native messaging host registrations from Claude Desktop.

Core Features & Use Cases

  • Conflict Resolution: Disables Claude Desktop's overlapping native messaging host manifest to restore Claude Code's access to the Chrome extension.
  • Verification & Prevention: Includes steps to confirm the fix is working and prevent the error from recurring after Claude Desktop updates.
  • Use Case: Developers using Claude Code's browser integration to interact with live Chrome tabs can use this Skill to quickly restore functionality without reinstalling extensions or reconfiguring MCP settings.

Quick Start

Use the chrome-troubleshooting skill to fix the "No Chrome extension connected" error and restore access to claude-in-chrome MCP tools in your Claude Code CLI session.

Frequently Asked Questions about chrome-troubleshooting

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

FAQPage Schema
Why does Claude Code CLI show a "No Chrome extension connected" error?▼

This error occurs because Claude Desktop registers overlapping native messaging host manifests, which blocks Claude Code CLI from accessing the claude-in-chrome MCP tool functionality.

How do I fix Chrome extension connection errors in Claude Code?▼

Fix Chrome extension connection errors by disabling Claude Desktop's overlapping native messaging host manifest, cleaning up stale sockets, and restarting your Claude Code CLI session to restore MCP tool functionality.

Can I use claude-in-chrome MCP tools with both Claude Desktop and Claude Code installed?▼

You can use claude-in-chrome MCP tools by resolving native messaging host conflicts, though overlapping registrations from Claude Desktop require disabling its manifest to maintain stable Claude Code connectivity.

Does fixing the Chrome extension connection require reinstalling the browser extension?▼

Fixing the Chrome extension connection does not require reinstalling extensions or reconfiguring MCP settings, as the root cause is a native messaging host manifest conflict resolved through disabling and session restart procedures.

What causes native messaging host conflicts between Claude Desktop and Claude Code?▼

Native messaging host conflicts are caused by Claude Desktop registering overlapping manifests that intercept Chrome extension communications, preventing Claude Code CLI from establishing its required browser integration sockets.

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