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Local servers, always in reach.
See every localhost server from your Mac menu bar. Open, inspect, and stop them in one click.
RunShelfFileEditViewWindowHelp
localhost15:37
RunShelf
2 live / 0 saved
Running
3V
N
Last refreshed just now
Selected server
http://localhost:3019
200Node
Features
The menu bar control plane for localhost.
Four actions cover the daily loop: find what is running, identify it, open it, and shut it down when it gets in the way.
Find every local server
RunShelf detects active listeners and dev processes automatically, so you are not maintaining a port list by hand.
Know each port owner
See the port, project path, runtime, HTTP status, and redacted command before you touch a process.
Open the right URL fast
Jump from the menu bar to the running localhost app without hunting through terminals or browser history.
Stop stale dev servers
End supported local server processes from the same menu when a project is done or a port is stuck.
Manage localhost in one place.
See what is running, open the right URL, and stop stale servers without digging through terminals.
Inspect
Ports, commands, projects.
See enough context to choose the right server before opening or stopping it.
Act
Open or stop in one click.
Keep local servers easy to reach without switching back through terminals.
FAQs
What does RunShelf detect?
RunShelf looks for local development servers and listeners on your Mac, then shows their ports and useful open or stop actions from the menu bar.
Can RunShelf stop processes?
Yes. RunShelf can stop supported local server processes from the menu bar so stale dev servers do not linger.
Does RunShelf send process data anywhere?
Purchase and privacy details belong to the published policy. This landing page does not add analytics or telemetry.
Is this a subscription?
Purchase details appear at checkout once the Polar product is live.
Put localhost back in reach.
A small Mac utility for keeping local servers visible, reachable, and under control.