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Sanity's Knowledge Base stopped 6 of 7 poisoned pages. The 7th fooled Claude Opus 5.

This story is from 2026-09-24. It is preserved in the archive; the latest stories are on the live feed.

This is a submission for the Sanity Challenge : Ship an agent that queries real content. Every help center with a community forum has the same problem: strangers can write text that your AI agent will read. So I built a support agent on a Sanity Knowledge Base, poisoned its help center on purpose ,…

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  1. 2026-09-24 10:43 · DEV Community — AI
    Sanity's Knowledge Base stopped 6 of 7 poisoned pages. The 7th fooled Claude Opus 5.

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