NumbersGame MCP

Query and update QuickBooks Online and Xero from Claude — invoices, bills, reports, and reconciliations.

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Numbers Game connects your QuickBooks Online and Xero books to Claude, so you can ask questions about a client's ledger and act on the answers in the same conversation.

Pull the standard financials — P&L, balance sheet, cash flow, trial balance, general ledger, AR and AP aging, transaction lists — and drill from a total straight into the transactions behind it. Search invoices, bills, journal entries, purchases, deposits, customers, vendors, items, and accounts by any field the ledger will filter on.

Then write back: create and update invoices, bills, payments, journal entries, credit memos, estimates, purchase orders, and sales receipts; apply credits, convert a purchase order to a bill, void or delete what shouldn't be there; email invoices, estimates, and purchase orders to the customer; and attach supporting documents to any record.

Built for bookkeepers and accounting firms: connect several client companies under one login, invite your team with per-user access to only the companies they work on, and keep every tool call logged. Claude tells you plainly when a company's ledger or subscription tier can't answer a request, rather than guessing.

Tools

  • apply_credit_memo
  • apply_vendor_credit
  • approve_bank_transactions
  • book_bank_transaction
  • bulk_assign_classification
  • bulk_book_bank_transactions
  • bulk_create_transactions
  • complete_report_run
  • convert_purchase_order_to_bill
  • create_account
  • create_bill
  • create_bill_payment
  • create_class
  • create_credit_memo
  • create_customer
  • create_department
  • create_deposit
  • create_employee
  • create_estimate
  • create_invoice
  • create_item
  • create_journal_entry
  • create_payment
  • create_purchase

Only use connectors from developers you trust. Anthropic does not control which tools developers make available and cannot verify that they will work as intended or that they won’t change.

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