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Port Monitor

Monitor Ports
Effortlessly

AI agents and coding tools spawn more ports than ever. Track and manage everything from your menu bar - from development servers to AI agent services.

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6
Port Monitor
6 Active
Monitoring IconMonitoring ports 3000-9999
3000
next-server (v16.0.0-beta.0)
~/code/port-monitor/main/web
PID 46999
3001
vite-dev-server (v5.2.0)
~/code/my-awesome-app/frontend
PID 50883
5000
flask
~/code/side-project-2019/backend
PID 53653
8000
django-runserver
~/code/yet-another-saas-idea/server
PID 53885
9000
webpack-hot-reload (v5.88.2)
~/code/forgot-to-shutdown/webpack
PID 42069
1337
bun (v1.0.0)
~/code/definitely-web3/app
PID 80085

Built for AI-First Development

In the AI era, your development environment spawns more ports than ever. AI agents, coding assistants, and autonomous tools all need ports. Port Monitor gives you complete visibility and control.

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Monitor Ports 3000-9999

Automatically detects all ports spawned by AI agents, coding assistants, and development tools. Track Claude Code, Cursor, GitHub Copilot services, and more in real-time.

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Kill Processes Instantly

Right-click any port to kill the associated process. No more switching to Activity Monitor or using Terminal commands.

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Lightweight & Native

Built specifically for macOS with native performance. Minimal memory footprint and battery usage. No Electron bloat.

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Dark Mode Support

Automatically adapts to your system appearance. Clean, modern interface that looks great in both light and dark modes.

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Real-time Updates

Live monitoring as AI agents and tools spin up services. Instantly see when autonomous agents start background processes or when coding assistants launch development servers.

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Developer Friendly

Perfect for AI-first developers working with multiple agents, LLM-powered coding tools, and autonomous systems that spawn numerous background services.

Simple, transparent pricing

Try free for 7 days, then pay once for lifetime access. No subscriptions, no recurring fees.

7-Day Free Trial
Port Monitor
4,99 €one-time

7-day free trial, then one payment for lifetime access

Prices adjusted by location

  • 7-day free trial included7-day free trial
  • Monitor ports 3000-9999 includedMonitor ports 3000-9999
  • Kill processes from the menu bar includedKill processes from the menu bar
  • Real-time process insights includedReal-time process insights
  • Dark mode support includedDark mode support
  • Native macOS performance includedNative macOS performance
  • Unlimited Macs per license includedUnlimited Macs per license
  • Free updates forever includedFree updates forever

Secure payment via Stripe

Why choose Port Monitor?

Checked item iconNo monthly fees
Checked item icon7-day free trial
Checked item iconUnlimited Macs

Frequently Asked Questions

Everything you need to know about Port Monitor. Can't find what you're looking for?Contact us.

Still have questions?

We're here to help! Send us an email and we'll get back to you within 24 hours.

Email support iconmikko@mbit.fi