nodejs-expert

Diagnose and optimize Node.js runtime performance and reliability.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/phuxp17/demo_web --skill nodejs-expert-phuxp17
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: nodejs-expert
Source: https://github.com/phuxp17/demo_web/tree/main/.agent/skills/nodejs-expert
Command: npx skills add https://github.com/phuxp17/demo_web --skill nodejs-expert-phuxp17

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps teams diagnose and optimize Node.js applications by mastering runtime behavior, event loop patterns, memory management, and module resolution.

Core Features & Use Cases

  • Async and event-loop debugging: trace promises, microtasks, and long-running timers to uncover bottlenecks.
  • Memory management: identify leaks, reduce allocations, and tune garbage collection.
  • Module resolution and startup performance: analyze CommonJS vs ESM, dependency graphs, and startup times.
  • Server reliability: diagnose HTTP servers, clustering, and process management to improve uptime.

Quick Start

Analyze a Node.js project or running server to identify top bottlenecks and memory issues, then propose concrete fixes and a performance plan.

Frequently Asked Questions about nodejs-expert

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

FAQPage Schema
How do I debug Node.js event loop delays and async bottlenecks?

Trace promises, microtasks, and long-running timers to uncover Node.js event loop bottlenecks. This diagnostic process isolates blocking async operations and provides playbooks to restore server responsiveness.

What is the best way to find memory leaks in a Node.js application?

Find memory leaks in a Node.js application by identifying unreleased references, reducing allocations, and tuning garbage collection. This process delivers concrete fixes to lower memory usage and improve runtime stability.

How do I improve Node.js startup time and module resolution?

Improve Node.js startup time by analyzing CommonJS versus ESM dependency graphs to identify loading bottlenecks. This evaluation provides environment checks and optimizations to speed up application boot sequences.

Does this Skill help with Node.js HTTP server clustering and uptime?

Yes, it helps with Node.js HTTP server clustering and uptime by diagnosing process management and server reliability issues. You receive concrete fixes to maximize availability and prevent downtime in microservices.

How do I diagnose Node.js performance issues in a microservices architecture?

Diagnose Node.js performance issues in microservices by analyzing runtime behavior, event loop patterns, and memory usage. This yields a targeted performance plan with environment checks and code snippets to optimize services.