Claude Duet: Proactive agent that understands what needs your attention

Opus 5.5 powers the agent, which runs a dedicated virtual machine with its own browser, so work continues after a phone or laptop goes offline. Its integrations exceed 6,000 entries in the Claude Marketplace, including Gmail, Slack and Stripe. Account checks happen about every few hours to protect usage limits, and a morning brief is part of the package. Sending messages, paying, signing and deleting wait for sign-off, while trading securities and moving money stay blocked even