Investigates errors across network failures, JavaScript errors, and error clicks to identify what's broken, where, and why. Use when the user says "what's broken", "errors are up", "why are users seeing errors", "JS errors", "network failures", "5xx spike", "something is broken", or wants to triage product reliability issues.
Install
npx skills add amplitude/mcp-marketplace --skill diagnose-errorsnpx skills add amplitude/mcp-marketplace --skill diagnose-errors -a claude-code -gnpx skills add amplitude/mcp-marketplace --skill diagnose-errors -a codex -ggemini skills install https://github.com/amplitude/mcp-marketplace.git --path plugins/amplitude/skills/diagnose-errorsgh skill install amplitude/mcp-marketplace diagnose-errorsgit clone --depth 1 https://github.com/amplitude/mcp-marketplace /tmp/amplitude__mcp-marketplace
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/amplitude__mcp-marketplace/plugins/amplitude/skills/diagnose-errors ~/.claude/skills/diagnose-errors # Claude Code
cp -R /tmp/amplitude__mcp-marketplace/plugins/amplitude/skills/diagnose-errors ~/.agents/skills/diagnose-errors # Codex, Cursor, Gemini CLI, Copilot, OpenCode