detecting-port-conflicts

Diagnose port conflicts by identifying processes using lsof and offering resolution options.

Updated Apr 23, 2026

Search Tags:#dev server #resolution #port conflict #EADDRINUSE #lsof

Ready to run

npx skills add https://github.com/baasith6/cursor-skills --skill detecting-port-conflicts-baasith6

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: detecting-port-conflicts
Source: https://github.com/baasith6/cursor-skills/tree/main/resources/detecting-port-conflicts
Command: npx skills add https://github.com/baasith6/cursor-skills --skill detecting-port-conflicts-baasith6

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires lsof, and includes scripts (resource) components.

What problem does it solve?

This Skill identifies and resolves port conflicts that prevent development servers from starting.

Core Features & Use Cases

Port Conflict Detection: Automatically identifies when a port is already in use.
Diagnosis: Determines what is using the port and provides options for resolution.
Resolution: Offers options to kill the blocking process, change the port, or restart all node processes.
Use Case: If your dev server won't start and you receive an 'EADDRINUSE' error, this Skill can help you find and resolve the issue.

Quick Start

Use the detecting-port-conflicts skill to resolve a port conflict for your dev server.

Frequently Asked Questions about detecting-port-conflicts

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

FAQPage Schema

How do I fix an EADDRINUSE error when my dev server won't start?▼

To resolve an EADDRINUSE error, identify the process occupying the port and choose to kill the blocking process, change the port, or restart node processes to free up the dev environment.

What is the best way to find what process is using a specific port?▼

Diagnosing port conflicts involves using lsof to list open ports and identify the specific processes using them, allowing you to determine exactly what is blocking your dev server.

Do I need lsof installed to diagnose port conflicts?▼

Yes, lsof is required to diagnose port conflicts in your development environment, as it provides the necessary functionality to list open ports and identify the processes using them.

Can I automatically kill a process blocking my development server port?▼

Yes, resolving port conflicts includes options to kill the blocking process, change the port configuration, or restart all node processes to successfully unblock your development environment.

What options do I have for resolving a port conflict besides killing the process?▼

When resolving a port conflict, options include killing the blocking process, changing the port your dev server uses, or restarting all node processes to clear the development environment.