What happened to the URL on file for Nex : AI Knowledge Copilot?

URL unreachable The URL on file (https://www.nex.social/) did not respond across three consecutive checks; the streak completed on 2026-10-29. The most recent check that did receive a response was on 2026-10-11.

This reports what that URL did, not a claim that Nex : AI Knowledge Copilot itself is gone: the address on file does not confidently match Nex : AI Knowledge Copilot's own domain, so if it turns out to be a marketplace or listing page rather than Nex : AI Knowledge Copilot's own site, this observation is still accurate about the URL, just not about the product. See the methodology for how the match is made.

The vendor's own description, unedited:
Nex is an AI-powered tool designed to improve information absorption by analyzing and summarizing both YouTube videos and written articles. Available as a free Chrome extension, this tool uses cutting-edge AI technology to extract the main content points, highlighting the pulse of the information an...

Live alternatives

No active same-category alternatives in the registry yet. The tools index carries everything else that is live.

How this was decided

Not an editorial call. The URL on file failed three consecutive checks, with a confirmation re-probe before the streak counted (a bot-wall response never counts as one), and the 3-miss rule marks the listing discontinued automatically. If the URL responds again, the registry restores it on its own: warn first, then active. Both directions are recorded as events.

Spot an error? Tell us. Corrections to the record append, they never rewrite.