# I got tired of never knowing what ports are running, so I built WhatThePort

> Source: <https://whattheport.dev>
> Published: 2026-09-28 17:42:30+00:00

# Every dev server on your Mac, in the menu bar.

What it is, what branch it’s on, which agent started it, and what it’s costing you. Stop the ones you forgot about in one click.

Free and open source · macOS 14 or later · No account

## Knows which agent started it.

Servers launched by Claude Code, Codex or Conductor link back to the session that started them. Pick up the conversation, check the branch, or open the Vercel preview for the same commit.

- Claude Codeclaude --resume
- Codexcodex resume
- Conductorworkspace name
- Vercelpreview per branch

## Notices before your fans do.

When a server passes 2 GB or grows 500 MB in ten minutes, the menu bar turns amber and you get one quiet notification. Crashed, hung and failed preview builds get flagged too.

## Stops the ones you forgot.

Clean up selects servers from deleted worktrees or idle for hours. Tick the ones to go and WhatThePort stops each whole process tree. Postgres and Redis are protected by default.

## WTP TUI

Type wtp for the same servers, details and Clean up in your terminal, in its own colours. Click the window and try it: arrow keys to move, space for actions, q to quit.

- wtpBrowse, open and stop servers
- wtp listPrint them and exit
- wtp list --jsonFor scripts and agents

## Know what’s running.

Two white dots when everything’s fine. You’ll know when it isn’t.

Free and open source · macOS 14 or later · No account

- NativeSwift, no Electron, no Dock icon.
- PrivateNothing leaves your Mac.
- Shortcut⌥⌘P

**4.8 GB** Other apps

**7 GB** Free

**4.2 of 16 GB**

[WhatThePort](#)

# Every dev server on your Mac, in the menu bar.

What it is, what branch it’s on, which agent started it, and what it’s costing you. Stop the ones you forgot about in one click.

Free and open source · macOS 14 or later · No account

**4.8 GB** Other apps

**7 GB** Free

**4.2 of 16 GB**

## Knows which agent started it.

Servers launched by Claude Code, Codex or Conductor link back to the session that started them. Pick up the conversation, check the branch, or open the Vercel preview for the same commit.

- Claude Codeclaude --resume
- Codexcodex resume
- Conductorworkspace name
- Vercelpreview per branch

## Notices before your fans do.

When a server passes 2 GB or grows 500 MB in ten minutes, the menu bar turns amber and you get one quiet notification. Crashed, hung and failed preview builds get flagged too.

## Stops the ones you forgot.

Clean up selects servers from deleted worktrees or idle for hours. Tick the ones to go and WhatThePort stops each whole process tree. Postgres and Redis are protected by default.

**4.8 GB** Other apps

**7 GB** Free

**4.2 of 16 GB**

## WTP TUI

Type wtp for the same servers, details and Clean up in your terminal, in its own colours. Click the window and try it: arrow keys to move, space for actions, q to quit.

- wtpBrowse, open and stop servers
- wtp listPrint them and exit
- wtp list --jsonFor scripts and agents

## Know what’s running.

Two white dots when everything’s fine. You’ll know when it isn’t.

Free and open source · macOS 14 or later · No account

- NativeSwift, no Electron, no Dock icon.
- PrivateNothing leaves your Mac.
- Shortcut⌥⌘P