Why is port 3000 always in use?

Source: Dev.to

Introducing Dev Ports in Room Service

We just shipped Dev Ports in Room Service – a new way to see and manage active local development servers across your Mac.

Dev Ports brings local server visibility into the parts of the app where it is most useful: Home, the menu bar, smart notifications, Ops Feed, and the command panel.

Goal

The goal was simple: make active local servers easier to notice and easier to act on, without constantly switching between terminal tabs, browser tabs, Activity Monitor, and Finder.

Features

When Room Service detects a project‑backed local server, you can:

• Open the local URL
• Reveal the project in Finder
• Open it in Terminal
• Stop the server directly from the app

CLI Enhancements

We also added shared local port scanning to the CLI, so there is now a roomservice ports command with JSON output, optional non‑project listeners, and direct kill support.

Changelog

Full changelog: