Diagnose and fix Claude in Chrome MCP extension connectivity issues. Use when mcp__claude-in-chrome__* tools fail, return "Browser extension is not connected", or behave erratically.
Install
npx skills add trailofbits/skills --skill chrome-mcp-troubleshootingnpx skills add trailofbits/skills --skill chrome-mcp-troubleshooting -a claude-code -gnpx skills add trailofbits/skills --skill chrome-mcp-troubleshooting -a codex -ggemini skills install https://github.com/trailofbits/skills.git --path plugins/chrome-mcp-troubleshooting/skills/chrome-mcp-troubleshootinggh skill install trailofbits/skills chrome-mcp-troubleshootinggit clone --depth 1 https://github.com/trailofbits/skills /tmp/trailofbits__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/trailofbits__skills/plugins/chrome-mcp-troubleshooting/skills/chrome-mcp-troubleshooting ~/.claude/skills/chrome-mcp-troubleshooting # Claude Code
cp -R /tmp/trailofbits__skills/plugins/chrome-mcp-troubleshooting/skills/chrome-mcp-troubleshooting ~/.agents/skills/chrome-mcp-troubleshooting # Codex, Cursor, Gemini CLI, Copilot, OpenCode