Best Claude Apps

NumbersGame MCP Claude connector

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

Add NumbersGame MCP to Claude

Add to Claude
URL https://mcp.numbersgame.xyz/mcp
$ claude mcp add --transport http numbersgame-mcp https://mcp.numbersgame.xyz/mcp

Needs a NumbersGame MCP account All setup steps

NumbersGame MCP in Claude at a glance

Reads
55 tools
Credit memos, purchase orders, sales receipts and 32 more
Creates & edits
70 tools
Credit memos, purchase orders, sales receipts and 37 more
Deletes
11 tools
Credit memos, purchase orders, sales receipts and 8 more
Acts as
Your account
Claude works through your own NumbersGame MCP sign-in

Counts come from the tool names in the official listing. See every tool

How a request travels Illustration, not a screenshot

  1. 1 · You ask

    “Find NumbersGame MCP credit memos about [a topic].”

  2. 2 · Claude calls

    search_credit_memos

    Finds credit memos that match what you ask for

  3. 3 · Server runs it

    mcp.numbersgame.xyz

    As your NumbersGame MCP account

  4. 4 · Answer

    Reply in the chat

    Write tools can be set to ask you first

The prompt is our example and the tool is one from NumbersGame MCP’s list. Claude chooses tools itself, so real calls can differ.

Works in Claude on the web Claude Desktop Claude mobile apps Claude Code Other remote MCP clients

How to add NumbersGame MCP to Claude

NumbersGame MCP docs

Claude app web · desktop · mobile

  1. 1 Click Add to Claude or open Settings → Connectors and search for NumbersGame MCP.
  2. 2 Click Connect. Sign in to NumbersGame MCP and approve access.
  3. 3 In a chat, check NumbersGame MCP is on in the tools menu under the message box. Then ask.

On Team and Enterprise plans an owner may need to allow it first.

Claude Code terminal

  1. 1
    Add the server: 
    claude mcp add --transport http numbersgame-mcp https://mcp.numbersgame.xyz/mcp
    Add --scope user to use it in every project.
  2. 2 Run /mcp, pick numbersgame-mcp and sign in.
  3. 3 Check with claude mcp list.

Custom connector or any MCP client

In Claude: Settings → Connectors → Add custom connector. Other clients that support remote (streamable HTTP) servers take the same URL.

NumbersGame MCP MCP server URL

https://mcp.numbersgame.xyz/mcp

NumbersGame MCP MCP tools

158

55 read, 70 write, 11 delete, 22 unclear. The official listing gives tool names only, so the text beside each name is our summary of it, not the developer’s wording.

  • Credit memos 7 tools

    • get_credit_memo Opens one credit memo with its details (our summary)
    • search_credit_memos Finds credit memos that match what you ask for (our summary)
    • apply_credit_memo Writes Applies a credit memo (our summary)
    • create_credit_memo Writes Adds a new credit memo (our summary)
    • delete_credit_memo Deletes Deletes a credit memo (our summary)
    • send_credit_memo Writes Sends a credit memo (our summary)
    • update_credit_memo Writes Edits an existing credit memo (our summary)

  • Purchase orders 6 tools

    • get_purchase_order Opens one purchase order with its details (our summary)
    • search_purchase_orders Finds purchase orders that match what you ask for (our summary)
    • create_purchase_order Writes Adds a new purchase order (our summary)
    • delete_purchase_order Deletes Deletes a purchase order (our summary)
    • send_purchase_order Writes Sends a purchase order (our summary)
    • update_purchase_order Writes Edits an existing purchase order (our summary)
Show 69 more groups · 145 tools, 94 that change data · sales receipts, vendor credits, bill payments, bills, deposits, items, journal entries, refund receipts, transfers, bank transactions, classes, customers, departments, employees, estimates, invoices, purchases, report runs, vendors, accounts, time activities, company profiles, payments, tasks, vendor mappings, accounting policies, attachables, classifications, estimate emails, generate attachments, invoice emails, plaid transaction ignoreds, plaid transactions summaries, propose bank codings, propose never billed vendors, qbo generate board reports, qbo generate issues reports, qbo generate reconciliation reports, qbo generate supporting memos, qbo report ap agings, qbo report ar agings, qbo report balance sheets, qbo report cash flows, qbo report general ledgers, qbo report profit loss classes, qbo report profit losses, qbo report transaction lists, qbo report trial balances, refresh client canvas, report bank booking runs, reports, request attachments, reverse bank bookings, reverse csvs, statuses, task schedules, task statuses, transactions, void invoices, void payments, attachments, bulk classifications, financials xlsxes, held bank transactions, plaid accounts, plaid items, plaid transactions, purchase order bills, report types

  • Sales receipts 6 tools

    • get_sales_receipt Opens one sales receipt with its details (our summary)
    • search_sales_receipts Finds sales receipts that match what you ask for (our summary)
    • create_sales_receipt Writes Adds a new sales receipt (our summary)
    • delete_sales_receipt Deletes Deletes a sales receipt (our summary)
    • send_sales_receipt Writes Sends a sales receipt (our summary)
    • update_sales_receipt Writes Edits an existing sales receipt (our summary)

  • Vendor credits 6 tools

    • get_vendor_credit Opens one vendor credit with its details (our summary)
    • search_vendor_credits Finds vendor credits that match what you ask for (our summary)
    • apply_vendor_credit Writes Applies a vendor credit (our summary)
    • create_vendor_credit Writes Adds a new vendor credit (our summary)
    • delete_vendor_credit Deletes Deletes a vendor credit (our summary)
    • update_vendor_credit Writes Edits an existing vendor credit (our summary)

  • Bill payments 5 tools

    • get_bill_payment Opens one bill payment with its details (our summary)
    • search_bill_payments Finds bill payments that match what you ask for (our summary)
    • create_bill_payment Writes Adds a new bill payment (our summary)
    • delete_bill_payment Deletes Deletes a bill payment (our summary)
    • update_bill_payment Writes Edits an existing bill payment (our summary)

  • Bills 5 tools

    • get_bill Opens one bill with its details (our summary)
    • search_bills Finds bills that match what you ask for (our summary)
    • create_bill Writes Adds a new bill (our summary)
    • delete_bill Deletes Deletes a bill (our summary)
    • update_bill Writes Edits an existing bill (our summary)

  • Deposits 5 tools

    • get_deposit Opens one deposit with its details (our summary)
    • search_deposits Finds deposits that match what you ask for (our summary)
    • create_deposit Writes Adds a new deposit (our summary)
    • delete_deposit Deletes Deletes a deposit (our summary)
    • update_deposit Writes Edits an existing deposit (our summary)

  • Items 5 tools

    • read_item Opens one item with its details (our summary)
    • search_items Finds items that match what you ask for (our summary)
    • create_item Writes Adds a new item (our summary)
    • delete_item Deletes Deletes an item (our summary)
    • update_item Writes Edits an existing item (our summary)

  • Journal entries 5 tools

    • get_journal_entry Opens one journal entry with its details (our summary)
    • search_journal_entries Finds journal entries that match what you ask for (our summary)
    • create_journal_entry Writes Adds a new journal entry (our summary)
    • delete_journal_entry Deletes Deletes a journal entry (our summary)
    • update_journal_entry Writes Edits an existing journal entry (our summary)

  • Refund receipts 5 tools

    • get_refund_receipt Opens one refund receipt with its details (our summary)
    • search_refund_receipts Finds refund receipts that match what you ask for (our summary)
    • create_refund_receipt Writes Adds a new refund receipt (our summary)
    • delete_refund_receipt Deletes Deletes a refund receipt (our summary)
    • update_refund_receipt Writes Edits an existing refund receipt (our summary)

  • Transfers 5 tools

    • get_transfer Opens one transfer with its details (our summary)
    • search_transfers Finds transfers that match what you ask for (our summary)
    • create_transfer Writes Adds a new transfer (our summary)
    • delete_transfer Deletes Deletes a transfer (our summary)
    • update_transfer Writes Edits an existing transfer (our summary)

  • Bank transactions 4 tools

    • search_bank_transactions Finds bank transactions that match what you ask for (our summary)
    • approve_bank_transactions Writes Approves bank transactions (our summary)
    • book_bank_transaction Writes Books a bank transaction (our summary)
    • bulk_book_bank_transactions Writes Books bank transactions (our summary)

  • Classes 4 tools

    • get_class Opens one class with its details (our summary)
    • search_classes Finds classes that match what you ask for (our summary)
    • create_class Writes Adds a new class (our summary)
    • update_class Writes Edits an existing class (our summary)

  • Customers 4 tools

    • get_customer Opens one customer with its details (our summary)
    • search_customers Finds customers that match what you ask for (our summary)
    • create_customer Writes Adds a new customer (our summary)
    • update_customer Writes Edits an existing customer (our summary)

  • Departments 4 tools

    • get_department Opens one department with its details (our summary)
    • search_departments Finds departments that match what you ask for (our summary)
    • create_department Writes Adds a new department (our summary)
    • update_department Writes Edits an existing department (our summary)

  • Employees 4 tools

    • get_employee Opens one employee with its details (our summary)
    • search_employees Finds employees that match what you ask for (our summary)
    • create_employee Writes Adds a new employee (our summary)
    • update_employee Writes Edits an existing employee (our summary)

  • Estimates 4 tools

    • get_estimate Opens one estimate with its details (our summary)
    • search_estimates Finds estimates that match what you ask for (our summary)
    • create_estimate Writes Adds a new estimate (our summary)
    • update_estimate Writes Edits an existing estimate (our summary)

  • Invoices 4 tools

    • read_invoice Opens one invoice with its details (our summary)
    • search_invoices Finds invoices that match what you ask for (our summary)
    • create_invoice Writes Adds a new invoice (our summary)
    • update_invoice Writes Edits an existing invoice (our summary)

  • Purchases 4 tools

    • get_purchase Opens one purchase with its details (our summary)
    • search_purchases Finds purchases that match what you ask for (our summary)
    • create_purchase Writes Adds a new purchase (our summary)
    • update_purchase Writes Edits an existing purchase (our summary)

  • Report runs 4 tools

    • get_report_run Opens one report run with its details (our summary)
    • list_report_runs Pulls up a list of report runs (our summary)
    • complete_report_run Writes Completes a report run (our summary)
    • start_report_run Writes Starts a report run (our summary)

  • Vendors 4 tools

    • get_vendor Opens one vendor with its details (our summary)
    • search_vendors Finds vendors that match what you ask for (our summary)
    • create_vendor Writes Adds a new vendor (our summary)
    • update_vendor Writes Edits an existing vendor (our summary)

  • Accounts 3 tools

    • search_accounts Finds accounts that match what you ask for (our summary)
    • create_account Writes Adds a new account (our summary)
    • update_account Writes Edits an existing account (our summary)

  • Time activities 3 tools

    • search_time_activities Finds time activities that match what you ask for (our summary)
    • create_time_activity Writes Adds a new time activity (our summary)
    • update_time_activity Writes Edits an existing time activity (our summary)

  • Company profiles 2 tools

    • get_company_profile Opens one company profile with its details (our summary)
    • set_company_profile Writes Edits an existing company profile (our summary)

  • Payments 2 tools

    • No read tools
    • create_payment Writes Adds a new payment (our summary)
    • update_payment Writes Edits an existing payment (our summary)

  • Tasks 2 tools

    • list_tasks Pulls up a list of tasks (our summary)
    • create_task Writes Adds a new task (our summary)

  • Vendor mappings 2 tools

    • get_vendor_mappings Pulls up a list of vendor mappings (our summary)
    • upsert_vendor_mapping Writes Upserts a vendor mapping (our summary)

  • Accounting policies 1 tool

    • No read tools
    • set_accounting_policy Writes Edits an existing accounting policy (our summary)

  • Attachables 1 tool

    • No read tools
    • upload_attachable Writes Adds a new attachable (our summary)

  • Classifications 1 tool

    • No read tools
    • bulk_assign_classification Writes Assigns a classification (our summary)

  • Estimate emails 1 tool

    • No read tools
    • send_estimate_email Writes Sends an estimate email (our summary)

  • Generate attachments 1 tool

    • No read tools
    • generate_attachment Unclear

  • Invoice emails 1 tool

    • No read tools
    • send_invoice_email Writes Sends an invoice email (our summary)

  • Plaid transaction ignoreds 1 tool

    • No read tools
    • mark_plaid_transaction_ignored Writes Marks a plaid transaction ignored (our summary)

  • Plaid transactions summaries 1 tool

    • No read tools
    • plaid_transactions_summary Unclear

  • Propose bank codings 1 tool

    • No read tools
    • propose_bank_coding Unclear

  • Propose never billed vendors 1 tool

    • No read tools
    • propose_never_billed_vendors Unclear

  • Qbo generate board reports 1 tool

    • No read tools
    • qbo_generate_board_report Unclear

  • Qbo generate issues reports 1 tool

    • No read tools
    • qbo_generate_issues_report Unclear

  • Qbo generate reconciliation reports 1 tool

    • No read tools
    • qbo_generate_reconciliation_report Unclear

  • Qbo generate supporting memos 1 tool

    • No read tools
    • qbo_generate_supporting_memo Unclear

  • Qbo report ap agings 1 tool

    • No read tools
    • qbo_report_ap_aging Unclear

  • Qbo report ar agings 1 tool

    • No read tools
    • qbo_report_ar_aging Unclear

  • Qbo report balance sheets 1 tool

    • No read tools
    • qbo_report_balance_sheet Unclear

  • Qbo report cash flows 1 tool

    • No read tools
    • qbo_report_cash_flow Unclear

  • Qbo report general ledgers 1 tool

    • No read tools
    • qbo_report_general_ledger Unclear

  • Qbo report profit loss classes 1 tool

    • No read tools
    • qbo_report_profit_and_loss_by_class Unclear

  • Qbo report profit losses 1 tool

    • No read tools
    • qbo_report_profit_and_loss Unclear

  • Qbo report transaction lists 1 tool

    • No read tools
    • qbo_report_transaction_list Unclear

  • Qbo report trial balances 1 tool

    • No read tools
    • qbo_report_trial_balance Unclear

  • Refresh client canvas 1 tool

    • No read tools
    • refresh_client_canvas Unclear

  • Report bank booking runs 1 tool

    • No read tools
    • report_bank_booking_run Unclear

  • Reports 1 tool

    • No read tools
    • qbo_generate_close_report Writes Closes a report (our summary)

  • Request attachments 1 tool

    • No read tools
    • request_attachment_upload Writes Adds a new request attachment (our summary)

  • Reverse bank bookings 1 tool

    • No read tools
    • reverse_bank_booking Unclear

  • Reverse csvs 1 tool

    • No read tools
    • reverse_csv_import Writes Imports a reverse csv (our summary)

  • Statuses 1 tool

    • No read tools
    • plaid_sync_status Writes Syncs a status (our summary)

  • Task schedules 1 tool

    • No read tools
    • create_task_schedule Writes Adds a new task schedule (our summary)

  • Task statuses 1 tool

    • No read tools
    • update_task_status Writes Edits an existing task status (our summary)

  • Transactions 1 tool

    • No read tools
    • bulk_create_transactions Writes Adds one or more new transactions (our summary)

  • Void invoices 1 tool

    • No read tools
    • void_invoice Unclear

  • Void payments 1 tool

    • No read tools
    • void_payment Unclear

  • Attachments 1 tool

    • get_attachments Pulls up a list of attachments (our summary)
    • None

  • Bulk classifications 1 tool

    • preview_bulk_classification Opens one bulk classification with its details (our summary)
    • None

  • Financials xlsxes 1 tool

    • export_financials_xlsx Exports a financials xlsx (our summary)
    • None

  • Held bank transactions 1 tool

    • list_held_bank_transactions Pulls up a list of held bank transactions (our summary)
    • None

  • Plaid accounts 1 tool

    • list_plaid_accounts Pulls up a list of plaid accounts (our summary)
    • None

  • Plaid items 1 tool

    • list_plaid_items Pulls up a list of plaid items (our summary)
    • None

  • Plaid transactions 1 tool

    • search_plaid_transactions Finds plaid transactions that match what you ask for (our summary)
    • None

  • Purchase order bills 1 tool

    • convert_purchase_order_to_bill Converts a purchase order bill (our summary)
    • None

  • Report types 1 tool

    • list_report_types Pulls up a list of report types (our summary)
    • None

Read or write is our reading of each name. List checked 2026-10-20; developers can change tools at any time.

Things to ask Claude with NumbersGame MCP

Our suggestions, one for each kind of tool NumbersGame MCP offers. Not from Numbers Game B.V. or Anthropic. Fill in the [brackets].

  • Find NumbersGame MCP credit memos about [a topic].

    uses search_credit_memos

  • Create a NumbersGame MCP credit memo for [what it is about].

    uses create_credit_memo

  • Update the NumbersGame MCP credit memo [name or link]: [what to change].

    uses update_credit_memo

  • Turn these notes into NumbersGame MCP credit memos, one per action item: [paste notes].

    uses create_credit_memo

  • Open the NumbersGame MCP credit memo [name or link] and give me the key points.

    uses get_credit_memo

  • List the NumbersGame MCP report runs and give me a short overview.

    uses list_report_runs

Security and access

Where requests go, whose account Claude uses, and what you control.

Server

mcp.numbersgame.xyz

On the developer’s own domain (numbersgame.xyz), not a third-party host. Claude sends requests here when it uses a tool.

Account

Your own NumbersGame MCP account

You sign in when you connect. Claude works through that account, so it reaches what the account can reach.

Control

You approve write tools

In Claude’s connector settings you can choose, tool by tool, whether Claude must ask before using it. Write tools are marked in the list above. See write tools

Policy

Privacy policy

Published by Numbers Game B.V. and linked from the official listing. Read it ↗

Anthropic’s directory notes that it does not control which tools a developer exposes and cannot guarantee they work as intended or stay the same. Connect connectors you trust.

Reviews

No reviews yet. Used NumbersGame MCP with Claude? Tell others how it went.

Honest reviews only. We never pay for or edit ratings.

    Questions people ask

    What does the NumbersGame MCP connector do in Claude?

    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.

    Is the NumbersGame MCP connector official?

    It is made by Numbers Game B.V. and carries the Anthropic verified mark in Anthropic’s directory. This site is independent and lists it from the official directory.

    What is the NumbersGame MCP MCP server URL?

    https://mcp.numbersgame.xyz/mcp. It is a remote MCP server hosted at mcp.numbersgame.xyz. Paste it into Claude as a custom connector, or add it to Claude Code with: claude mcp add --transport http numbersgame-mcp https://mcp.numbersgame.xyz/mcp

    How do I add NumbersGame MCP to Claude Code?

    Run "claude mcp add --transport http numbersgame-mcp https://mcp.numbersgame.xyz/mcp" in your terminal, then start Claude Code, type /mcp, choose numbersgame-mcp and sign in to NumbersGame MCP. Add "--scope user" to make it available in every project.

    Do I need a NumbersGame MCP account?

    Yes. You sign in to NumbersGame MCP when you connect it, and Claude works through that account.

    Can Claude change or delete my NumbersGame MCP data?

    Judging by tool names, 81 of its 158 tools can change data, including 11 that delete or remove things. The other 55 only read. In Claude you can choose, per tool, whether Claude must ask before using it.

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