Minecraft spider demo shows Claude Opus 5.5 + Jev output checks
The author turns a false claim like "Jev writes prose" into a pipeline where review catches it, a piston destroys the draft, and a spider fetches the source to fix and retry, with only checked versions reaching the chest, plus role briefs and a build prompt.
this Minecraft spider has one job: stop AI bullshit from leaving the factory Claude Opus 5.5 + Jev, explained through a draft that gets crushed before it can leave the bad claim is “Jev writes prose” → review catches it → a piston destroys the draft the spider has to fetch the source, fix that sentence and try again only the checked version reaches the chest i made it this literal because “agent is working” tells me nothing about whether the job is done the article below has the role briefs, saved handoffs and a build prompt for trying the workflow yourself ↓
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