Claude Duet for small-business finance: invoices, bills and the close, and how to run its open skills in Claude Cowork or Claude Code
Anthropic’s new proactive agent, Claude Duet, chases unpaid invoices, prepares payroll and closes the month through the Small Business plugin, whose finance skills are public on GitHub under Apache-2.0. This guide is based on Anthropic’s documentation and the skill files; no tester has published a detailed finance case yet.