Tools

Support for small merchants: reads customer emails, checks orders and refunds in Stripe, PayPal, Square or Shopify, and drafts replies in the owner's voice per your refund policy; can refund via Stripe or Square after explicit approval. Works with pasted emails too. Official from Anthropic.

Helps small business owners collect overdue payments: finds overdue invoices in QuickBooks, Xero, PayPal or Stripe and drafts reminder emails with a tone suited to each customer's payment history, sent only after your approval. Without a connection, upload an AR aging CSV. By Anthropic.

PayPal's official agent toolkit, including the @paypal/mcp server: create and send invoices, handle orders and refunds, manage disputes, subscriptions, product catalogs and shipment tracking, and look up transactions. Needs a PayPal developer access token; defaults to the sandbox.