Diagnose Firefox DevTools MCP setup issues. Activate when the firefox-devtools-mcp plugin fails to connect, its tools are not available, or the user reports Firefox DevTools not working in Cowork.
How to install diagnose?
mozilla/firefox-devtools-mcp/diagnose
$npx -y skills add mozilla/firefox-devtools-mcp --skill diagnoseInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/mozilla/firefox-devtools-mcp" --skill "mozilla/firefox-devtools-mcp/diagnose"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/mozilla/firefox-devtools-mcp" that are relevant to the current task. Run `npx skills add "https://github.com/mozilla/firefox-devtools-mcp"` and select the relevant skills, then follow their instructions.
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