SkillsLib.ai

Setup Portless

Configure Portless for stable localhost URLs in development

4.5(47 reviews)
1,000+ downloads
Updated Sep 2026
Verified SafeSecurity VerifiedThis skill was analyzed by our AI security scanner for harmful content including data exfiltration, system manipulation, credential theft, and prompt injection. No threats were detected.

What You Can Do

This skill detects your project structure, installs Portless globally, and configures your dev scripts to use stable named URLs instead of port numbers. It handles monorepo detection, suggests appropriate subdomain naming conventions, and updates your package.json automatically—saving you from manual configuration and port conflict headaches.

Features

Prerequisite verification

checks Node.js 20+ and macOS/Linux compatibility before proceeding

Project context detection

reads package.json to identify framework, dev scripts, and monorepo structure (Turbo, Lerna, pnpm workspaces)

Global Portless installation

installs or verifies the Portless proxy daemon

Smart app naming

suggests subdomain names based on project type and monorepo workspace structure

Dev script wrapping

updates package.json scripts to wrap existing commands with portless routing

Monorepo support

generates naming schemes for multi-package setups (api.projectname, web.projectname, etc.)

Proxy daemon initialization

provides commands to start and manage the Portless proxy service

Example Output

Example 1: Single Next.js project

code
✓ Node.js 20.1.0 detected
✓ Platform: macOS (compatible)
✓ Project: my-app (Next.js)
✓ Portless installed globally

Suggested app name: my-app
Updated dev script: portless my-app next dev
=> URL: http://my-app.localhost:1355

Example 2: Monorepo (Turbo)

code
✓ Turbo monorepo detected (3 workspaces)
✓ Portless installed globally

Workspace routing plan:
- apps/web → portless web turbo dev
- apps/api → portless api turbo dev
- packages/docs → portless docs turbo dev

Updated root dev scripts for coordinated startup

What's Included

  • setup-portless.md: the core instruction file with detection logic and configuration workflow
  • Portless installation checklist: prerequisite verification steps and platform compatibility guide
  • Package.json script templates: ready-to-use wrapped dev commands for single projects and monorepos
  • Monorepo configuration framework: subdomain naming conventions and multi-workspace setup patterns
  • Proxy daemon quick-start reference: commands to initialize and manage the Portless service

Who It's For

  • Full-stack developers — streamline local dev environment routing across multiple services
  • Monorepo maintainers — coordinate stable URLs across workspaces without port conflicts
  • DevOps engineers — standardize naming conventions for development proxying across teams
  • Next.js and Vite developers — eliminate port reassignment friction during development
  • AI-assisted development — enable stable URL references for Claude and other AI agents in local testing

Best For

  • Setting up new project dev environments with stable naming from the start
  • Migrating existing projects from port-based localhost to named URL routing
  • Configuring monorepo dev scripts across multiple workspaces simultaneously
  • Resolving port conflicts in complex development setups with many services
  • Establishing team-wide conventions for local development URL naming

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