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Wharfy
See who opened that port — then stop it safely
A macOS menu bar app that shows every listening dev port with the app or AI agent that opened it, warns when a server is exposed to your LAN, and stops it safely. CLI and MCP server included.
This started as a personal annoyance. I run Claude Code and Cursor side by side, and half the time I'd hit "port 3000 already in use" with no idea which of them left a server running. lsof gives you a pid. I wanted a name.
So Wharfy lives in the menu bar and shows the chain: node ← claude ← zsh, and you know exactly who to blame before you kill anything. It stops things politely (SIGTERM first, never touching your shell or IDE), knows Docker from a real process, and warns you when a dev server is quietly exposed to your whole network — that one caught me more than once.
It's free while in beta. There's a CLI and an MCP server too, so your agents can clean up after themselves.
How many agents are you running locally these days? Curious if I'm the odd one.
About Wharfy on Product Hunt
“See who opened that port — then stop it safely”
Wharfy was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #134 on the daily leaderboard. A macOS menu bar app that shows every listening dev port with the app or AI agent that opened it, warns when a server is exposed to your LAN, and stops it safely. CLI and MCP server included.
On the analytics side, Wharfy competes within Mac, Developer Tools, Artificial Intelligence and GitHub — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how Wharfy performed against the three products that launched closest to it on the same day.
Who hunted Wharfy?
Wharfy was hunted by Ege Bilge. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Wharfy including community comment highlights and product details, visit the product overview.
Ege Bilge
Hey Product Hunt 👋
This started as a personal annoyance. I run Claude Code and Cursor side by side, and half the time I'd hit "port 3000 already in use" with no idea which of them left a server running. lsof gives you a pid. I wanted a name.
So Wharfy lives in the menu bar and shows the chain: node ← claude ← zsh, and you know exactly who to blame before you kill anything. It stops things politely (SIGTERM first, never touching your shell or IDE), knows Docker from a real process, and warns you when a dev server is quietly exposed to your whole network — that one caught me more than once.
It's free while in beta. There's a CLI and an MCP server too, so your agents can clean up after themselves.
How many agents are you running locally these days? Curious if I'm the odd one.