portless

Map local server port numbers to custom domain names.

6|Updated Apr 5, 2026
One-click install
npx skills add https://github.com/icepeng/agentchan --skill portless-icepeng
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: portless
Source: https://github.com/icepeng/agentchan/tree/main/.agents/skills/portless
Command: npx skills add https://github.com/icepeng/agentchan --skill portless-icepeng

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill streamlines local development by replacing port numbers with stable, named URLs, reducing conflicts and memorization efforts.

Core Features & Use Cases

  • Port Conflict Resolution: Eliminates EADDRINUSE errors by assigning named URLs to local servers.
  • Consistent Access: Provides memorable and reliable URLs like https://myapp.localhost.
  • Use Case: When working on multiple microservices, quickly switch between projects without port clashes or remembering various ports.

Quick Start

Use the portless skill to create a named URL for your local development server and access it via your browser.

Frequently Asked Questions about portless

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

FAQPage Schema
How do I access my local development server without memorizing port numbers?

Map port numbers to custom domain names to access local development servers. This automation replaces numeric ports with stable, memorable URLs like https://myapp.localhost, eliminating the need to memorize ports.

Why do I keep getting EADDRINUSE errors during local development and how can I stop them?

EADDRINUSE errors occur when multiple local servers compete for the same port. Assigning named URLs to your local servers resolves these port conflicts, ensuring each project maintains a unique and accessible address.

Can I use custom localhost domain names for managing multiple microservices?

Yes, custom localhost domain names are ideal for managing multiple microservices. You can assign a memorable URL to each service, allowing you to quickly switch between projects without port clashes or remembering various ports.

How do I set up TLS trust for my local development URLs?

Set up TLS trust by using the provided tools to configure network settings for your local development URLs. This ensures your custom named domains are compatible with major browsers and function reliably.

What is the best way to avoid port conflicts when running multiple local projects?

The best way to avoid port conflicts is replacing port numbers with stable, named URLs. This approach assigns each local server a unique domain, streamlining local development and eliminating manual port tracking.