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Morning Edition · Thursday, October 22, 2026Published at 2:23 AM EDT · New York
Anthropic Launches Claude Duet, an Always-On Agent Wired Into Slack, Email and More Than 6,000 Connectors
On the same day, a security paper showed that persistent memory, custom skills and shared workspace features in Claude, Gemini and ChatGPT can turn a single prompt injection into lasting compromise, including exfiltration between co-workers.
Anthropic launched Claude Duet on October 21 as a research preview. Duet is a standalone app in which Claude acts as a proactive personal agent. It runs on Claude Opus 5.5 and monitors Slack, email and calendars. It sends a short brief each…
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The Agent Skill Supply Chain Becomes an Attack Surface
As agents load third-party skills, tools and MCP servers at runtime, the gap between what a skill advertises and what it actually does becomes a recurring security failure mode, driving registries, attestation and zero-trust verification into the agent stack the way package signing came to software repositories.
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