portless

Name: portless
Availability: InStock
Author: yyopc

Set up named localhost URLs for portless applications and resolve port conflicts.

7|2|Updated May 16, 2026

Search Tags:#port management #local development #development tooling #HTTPS proxy #URL generation

Ready to run

npx skills add https://github.com/yyopc/yyork --skill portless-yyopc

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: portless
Source: https://github.com/yyopc/yyork/tree/main/.agents/skills/portless
Command: npx skills add https://github.com/yyopc/yyork --skill portless-yyopc

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and assets (resource) components.

What problem does it solve?

This Skill resolves port conflicts and simplifies URL management for local development servers, ensuring smooth integration and configuration of portless applications.

Core Features & Use Cases

Port Conflicts: Mitigates issues with EADDRINUSE by providing named URLs for each app.
URL Management: Generates URLs like https://myapp.localhost instead of using port numbers, enhancing user experience.
Use Case: Ideal for setting up local proxies, troubleshooting port issues, and sharing URLs with teammates.

Quick Start

Install portless globally and run your app: portless run next dev to access your app at https://<project>.localhost.

Frequently Asked Questions about portless

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

FAQPage Schema

How do I fix EADDRINUSE port conflicts during local development?▼

Resolve EADDRINUSE port conflicts during local development by using portless to generate named local dev server URLs like https://myapp.localhost. This eliminates port numbers entirely, preventing conflicts when running multiple applications.

How do I set up local HTTPS proxying for my development servers?▼

Set up local HTTPS proxying for development servers by installing portless globally and running commands like `portless run next dev`. This automates domain resolution and HTTPS proxying, generating readable URLs for local applications.

Can I generate readable local URLs instead of using localhost with port numbers?▼

Generate readable local URLs instead of using localhost with port numbers by leveraging portless to create named URLs such as https://<project>.localhost. This enhances readability and simplifies sharing links with teammates.

Do I need to install any dependencies to use named local dev server URLs?▼

Install portless globally to use named local dev server URLs. This Skill requires local environment setup and portless installation to automate HTTPS proxying and manage domain resolution for your applications.

What is the best way to manage multiple local development servers without port conflicts?▼

Manage multiple local development servers without port conflicts by using portless tooling. It mitigates EADDRINUSE issues by providing unique named URLs for each app, ensuring smooth integration and configuration.