2026-05-31 / Signal #2

Anthropic's new engineering post: "How We Contain Claude" across products (official Anthropic engineering blog, May 2026; details gVisor containers, HITL sandboxes/VMs, egress proxies, classifiers post-2025 incidents like phishing/exfiltration).

“We summoned Claude. Then we built the cage, and the alarms still fail sometimes.”

9.0Weirdness

Why It Matters

Concrete techniques for jailing your own near-autonomous AI creations as they gain "blast radius"; weird institutional self-control story at the edge of agentic power and human oversight.

Evidence

Source evidence is in the linked daily scan.

Signal Read

Novelty: 9Receipts: 10Story voltage: 9Heat: 8

Source Trail

Daily scan: 2026-05-31

No public source URL captured yet.