AI Connectors · Productivity

Is It Down? Availability Check

Plain-language reachability checks for public websites

Listed in ChatGPT

Overview

What Is It Down? Availability Check does

This app tests whether a public website responds and reports the result in ordinary words. A full address works, and so does the name of the site.

Rather than returning a single verdict, it separates causes that look identical from the outside: a site can be offline for everyone, blocked for one person, slow because it is busy, or unreachable because of a local connection, a VPN or a firewall. When the site does answer, the app helps work through what else might explain a page that will not load.

Honesty about limits is stated explicitly. If a check cannot be completed for technical reasons, or the evidence does not support a conclusion, it says so instead of guessing. No technical background is expected of the person asking, and answers stay short unless more detail is requested.

Who it is for

Anyone triaging a page that will not load, from a student before class to a support agent taking a first look.

What stands out

It distinguishes a site being down from the local causes that mimic it, and declines to speculate when a check is inconclusive.

Availability

Where Is It Down? Availability Check is listed

Is It Down? Availability Check is listed in the ChatGPT apps directory only. Spheric Admin Ltd has no connector under the same domain in the Claude directory; 392 of the 3,150 products here are on both marketplaces, and this is not one of them.

ChatGPT apps are built on MCP, and the same server can back a Claude connector, so the absence is a distribution decision rather than a technical one.

ChatGPT listing

In the ChatGPT apps directory

Developer
Spheric Admin Ltd
Filed under
Productivity
Listed since
July 2026
Authentication
Authenticates when installed
Policies published
Privacy policy · Terms of service
Official listing
Open in ChatGPT
Snapshot
August 2026

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This is an independent catalogue entry compiled by Node8 from Is It Down? Availability Check's public marketplace listing as it stood in August 2026. Listing facts come from the marketplaces; the comparisons against the rest of the directory and any live-endpoint measurements are Node8's. Node8 is not affiliated with Spheric Admin Ltd, and inclusion here is not an endorsement.

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