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Harbormaster

Harbormaster

ChatGPT plugin by Dimitri Stefanopoulos · Inspect local ports in Codex

Developer Tools v0.1.2 Website ↗ Open in ChatGPT ↗

Data updated · Last checked

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Directory search
#90 of 93
in Developer Tools searches · #1,088 across all plugins · 7 days +0.1
ChatGPT conversations
Not seen yet
in the requests we’ve tested
Category page
Search only
Developer Tools
Listing score
40/100
how complete the listing is

Listing check

score 40 · category leaders average 54
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    The name has none of the tracked search terms.
    Directory search ranks name matches first: 74% of top-3 results have the search term in the name. Searches for a brand name itself are not tracked.
    11 of 20 category leaders do this
    0 / 30
6 more checks, compared with the category leaders
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In ChatGPT conversations

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About Harbormaster

Harbormaster is a ChatGPT plugin by Dimitri Stefanopoulos in the Developer Tools category of the ChatGPT plugin directory. Its listing describes it as “Inspect local ports in Codex”. It has been tracked in the directory since Oct 5, 2026.

In the directory's search, Harbormaster reaches the top 10 for 1 common Developer Tools search and ranks #90 of 93 plugins that show up for Developer Tools searches. Across all topics it reaches the top 10 for 1 search and is #1,088 of 5,034 plugins by search visibility.

It is not listed on a category page of the directory and appears only in search results.

Harbormaster runs in a local Codex task on the computer you want to inspect. It maps listening ports to their processes and projects, flags reservation collisions, records vanished services, and safely stops one explicitly selected process. Hosted ChatGPT cannot access your computer's process table.From the plugin’s directory listing

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Harbormaster: questions and answers

What does Harbormaster do?

Inspect local ports in Codex. Harbormaster runs in a local Codex task on the computer you want to inspect. It maps listening ports to their processes and projects, flags reservation collisions, records vanished services, and safely stops one explicitly selected process. Hosted ChatGPT cannot access your computer's process table.

Who makes Harbormaster?

Harbormaster is developed by Dimitri Stefanopoulos.

How do I add Harbormaster to ChatGPT?

Open ChatGPT, go to Plugins, search for “Harbormaster” and select Install plugin. You can also open its page in the directory directly.

Is Harbormaster still available in ChatGPT?

Yes. Harbormaster was listed in the ChatGPT plugin directory at the latest hourly check.