Anthropic expanded Claude Cowork with prebuilt plugin templates spanning HR, design, engineering, operations, financial analysis, investment banking, equity research, private equity, and wealth management. New connectors include Google Workspace (Drive, Calendar, Gmail), DocuSign, Apollo, Clay, Outreach, SimilarWeb, MSCI, LegalZoom, FactSet, WordPress, and Harvey. Enterprises can create private plugin marketplaces and control distribution. The open-source repo at github.com/anthropics/knowledge-