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Persistent URL for local development environment

Developed by Vercel Labs, Portless converts port numbers used in local development environments into persistent and named URL addresses. This tool allows both developers and autonomous AI agents to interact with local services more easily.

Updates

  • September 3, 2026: Stars 11,944 → 11,949, latest release v0.15.6 (August 24, 2026).

What you get

  • Converts variable port numbers into memorable named addresses
  • Provides automatic HTTPS and HTTP/2 support
  • Creates separate URLs for each package in monorepo structures

Installation

General installation
npm install -g portless
Project-based setup
npm install -D portless

Running it

Start the application with a named URL
portless myapp next dev

If you don't write code

🤖 Paste this into your AI agent (Claude Code · Codex · Antigravity)

I want the services running in my local development environment to use persistent addresses with the .localhost extension instead of port numbers. Run my project using the Portless tool and enable me to access my services via identifiable addresses like https://myapp.localhost.

Related dictionary terms

MonorepoArtificial Intelligence
Who it is forIntended for developers and autonomous AI agents who want to get rid of port confusion in local development processes.
LicenseApache-2.0

Links

TreScout did not build this tool · we found it in GitHub trends and wrote it up. This page describes the repository as of 2026-09-03: The star count and our text belong to that day, the repository may have changed since. Check the repository link for the current state. This page was machine-translated from the Turkish original · the Turkish version prevails.