Simon Willison • 1/12/2026

First impressions of Claude Cowork, Anthropic's general agent

This article provides a detailed first look at Claude Cowork, Anthropic's new 'research preview' agent designed to handle general computer tasks beyond just coding. The author tests the tool by having it analyze unpublished blog drafts, demonstrating how it executes commands and searches within a sandboxed environment. The review covers the interface, security model, and practical applications, positioning it as a more accessible version of Claude Code for broader work.

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#developer tools #AI Assistant #Anthropic