llms.txt
+200 −8
− > 466 hosted MCP servers that connect AI assistants (Claude, ChatGPT, Codex, Cursor and other MCP clients) to business APIs. Each server is a remote MCP endpoint with an OAuth login: add its URL to the client as a custom connector, then sign in with your vendor account or API key (a few public-data servers ask only for an email code). Free: 50 tool calls / month. Pro: $9/mo · $90/yr per server, unlimited tool calls (fair use limit: 10,000 tool calls a month); each server's page states its billin− - [Numeral MCP server](https://usefulapi.io/numeral/): Calculate sales tax & VAT, record transactions and refunds, manage products and customers. Server URL: https://numeral.usefulapi.io/mcp− ## Other− - [CourtReserve MCP server](https://usefulapi.io/courtreserve/): Read club members, court availability, reservations, events, attendance and revenue reports. Server URL: https://courtreserve.usefulapi.io/mcp− - [Emma MCP server](https://usefulapi.io/emma/): Read audiences, groups, mailings and campaign results without sending email or changing contacts. Server URL: https://emma.usefulapi.io/mcp− - [HireHop MCP server](https://usefulapi.io/hirehop/): Read rental jobs, projects, late returns, contacts, inventory catalogs, depots and notes. Server URL: https://hirehop.usefulapi.io/mcp− - [OKSign MCP server](https://usefulapi.io/oksign/): Read documents, signatures, contacts and credits; manage contacts and remove documents. Server URL: https://oksign.usefulapi.io/mcp− - [Workyard MCP server](https://usefulapi.io/workyard/): Read Workyard employees, projects, time cards and geofences; approve time cards and add notes. Server URL: https://workyard.usefulapi.io/mcp+ > 758 hosted MCP servers that connect AI assistants (Claude, ChatGPT, Codex, Cursor and other MCP clients) to business APIs. Each server is a remote MCP endpoint with an OAuth login: add its URL to the client as a custom connector, then sign in with your vendor account or API key (a few public-data servers ask only for an email code). Free: 50 tool calls / month. Pro: $9/mo · $90/yr per server, unlimited tool calls (fair use limit: 10,000 tool calls a month); each server's page states its billin+ - [Bokio MCP server](https://usefulapi.io/bokio/): Read Bokio accounts, invoices and customers; create drafts and journal entries. Server URL: https://bokio.usefulapi.io/mcp+ - [Facturalia MCP server](https://usefulapi.io/facturalia/): Create invoices and credit notes; check whether invoices are sent and paid in Facturalia. Server URL: https://facturalia.usefulapi.io/mcp+ - [Pin Payments MCP server](https://usefulapi.io/pin-payments/): Read Pin Payments charges, refunds, balances, transfers and subscriptions without moving money. Server URL: https://pin-payments.usefulapi.io/mcp+ - [Qashier MCP server](https://usefulapi.io/qashier/): Read checkout sessions; create payment links, expire sessions and refund payments in Qashier. Server URL: https://qashier.usefulapi.io/mcp+ - [TOConline MCP server](https://usefulapi.io/toconline/): Read TOConline customers, suppliers, products, sales documents, receipts and purchases. Server URL: https://toconline.usefulapi.io/mcp+ - [WeFact MCP server](https://usefulapi.io/wefact/): Look up customers, invoices, products and subscriptions in WeFact. Server URL: https://wefact.usefulapi.io/mcp+ - [currencylayer MCP server](https://usefulapi.io/currencylayer/): Read and calculate currency exchange rates with your paid currencylayer account. Server URL: https://currencylayer.usefulapi.io/mcp+ - [ExpenseIn MCP server](https://usefulapi.io/expensein/): Read expenses, invoices, receipts and card transactions, and add expenses or notes in ExpenseIn. Server URL: https://expensein.usefulapi.io/mcp+ - [IPDetective MCP server](https://usefulapi.io/ipdetective/): Check IPDetective usage and investigate IP bot, VPN, proxy, ASN and country signals. Server URL: https://ipdetective.usefulapi.io/mcp+ - [Papaya Global MCP server](https://usefulapi.io/papaya-global/): Read wallets, statements, payment groups, beneficiaries and payments in Papaya Global. Server URL: https://papaya-global.usefulapi.io/mcp+ ## Accounting & Tax+ - [A-Cube MCP server](https://usefulapi.io/acube/): Read Italian invoices, receipts and SDI notices; validate, prepare and submit agreed drafts. Server URL: https://acube.usefulapi.io/mcp+ - [ABRA Flexi MCP server](https://usefulapi.io/abra-flexi/): Accounting, contacts, stock and draft-checked invoice creation. Server URL: https://abra-flexi.usefulapi.io/mcp+ - [AdminPulse MCP server](https://usefulapi.io/adminpulse/): Read relations, invoices, tasks and documents; create tasks and log interactions in AdminPulse. Server URL: https://adminpulse.usefulapi.io/mcp+ - [billey MCP server](https://usefulapi.io/billey/): Read clients, invoices, expenses, bank transactions and time entries in billey. Server URL: https://billey.usefulapi.io/mcp+ - [Briox MCP server](https://usefulapi.io/briox/): Read invoices, journals and accounts; create customers, items and unposted invoices in Briox. Server URL: https://briox.usefulapi.io/mcp+ - [Collmex MCP server](https://usefulapi.io/collmex/): Review Collmex customers, products, invoices and orders; create customers and addresses. Server URL: https://collmex.usefulapi.io/mcp+ - [Daftra MCP server](https://usefulapi.io/daftra/): Read clients, invoices, expenses and suppliers; create clients, invoices and expenses in Daftra. Server URL: https://daftra.usefulapi.io/mcp+ - [Defontana MCP server](https://usefulapi.io/defontana/): Read sales, purchases, stock, receivables and accounting vouchers in Defontana. Server URL: https://defontana.usefulapi.io/mcp+ - [ExpenseOnDemand MCP server](https://usefulapi.io/expenseondemand/): Read exports, payroll totals and users; add, update or deactivate employees in ExpenseOnDemand. Server URL: https://expenseondemand.usefulapi.io/mcp+ - [Fiken MCP server](https://usefulapi.io/fiken/): Read invoices, bills, contacts, ledger and bank balances; create drafts and contacts in Fiken. Server URL: https://fiken.usefulapi.io/mcp+ - [Kledo MCP server](https://usefulapi.io/kledo/): Read invoices, bills, contacts, bank balances and financial reports in Kledo. Server URL: https://kledo.usefulapi.io/mcp+ - [Mekari Jurnal MCP server](https://usefulapi.io/jurnal/): Company accounting, sales, purchases and customer/vendor creation. Server URL: https://jurnal.usefulapi.io/mcp+ - [Numeral MCP server](https://usefulapi.io/numeral/): Calculate sales tax & VAT, record transactions and refunds, manage products and customers. Server URL: https://numeral.usefulapi.io/mcp+ - [Quarterwise MCP server](https://usefulapi.io/quarterwise/): Read properties, HMRC categories and transactions; add income and expenses in Quarterwise. Server URL: https://quarterwise.usefulapi.io/mcp+ - [Quipu MCP server](https://usefulapi.io/quipu/): Read contacts, invoices and book entries; create contacts and draft invoices in Quipu. Server URL: https://quipu.usefulapi.io/mcp+ - [Run my Accounts MCP server](https://usefulapi.io/run-my-accounts/): Read customers, invoices, vendor bills, trial balance and ledger transactions in Run my Accounts. Server URL: https://run-my-accounts.usefulapi.io/mcp+ - [Scrada MCP server](https://usefulapi.io/scrada/): Read journals, cash books and Peppol documents; record payments in Scrada. Server URL: https://scrada.usefulapi.io/mcp+ - [Senta MCP server](https://usefulapi.io/senta/): Review Senta clients, contacts and jobs, and update client records or add notes. Server URL: https://senta.usefulapi.io/mcp+ - [Silvasoft MCP server](https://usefulapi.io/silvasoft/): Read invoices, orders, products and stock; add customers and suppliers in Silvasoft. Server URL: https://silvasoft.usefulapi.io/mcp+ - [Solo MCP server](https://usefulapi.io/solo/): Read invoices, offers, payment status and the product catalog in Solo. Server URL: https://solo.usefulapi.io/mcp+ - [WeFile MCP server](https://usefulapi.io/wefile/): Create and save CT600 filings, generate documents, submit to HMRC and check status in WeFile. Server URL: https://wefile.usefulapi.io/mcp+ - [Apilo MCP server](https://usefulapi.io/apilo/): Read orders, shipments, products and stock; set order status, notes and stock quantity in Apilo. Server URL: https://apilo.usefulapi.io/mcp+ - [bol.com MCP server](https://usefulapi.io/bol-com/): Read bol orders, returns, offers and inventory; update an offer’s stock, price or sale status. Server URL: https://bol-com.usefulapi.io/mcp+ - [Brandboom MCP server](https://usefulapi.io/brandboom/): Search showrooms, products, orders, customers, invoices and shipments in Brandboom. Server URL: https://brandboom.usefulapi.io/mcp+ - [Bsale MCP server](https://usefulapi.io/bsale/): Read Bsale products, documents and stock; manage customers, prices, receipts and payments. Server URL: https://bsale.usefulapi.io/mcp+ - [BSS B2B Solution MCP server](https://usefulapi.io/bss-b2b-solution/): Read and manage B2B pricing rules; read and approve wholesale applicants in BSS B2B Solution. Server URL: https://bss-b2b-solution.usefulapi.io/mcp+ - [Buy Me a Coffee MCP server](https://usefulapi.io/buy-me-a-coffee/): Read members, one-time supporters and Extras purchases in Buy Me a Coffee. Server URL: https://buy-me-a-coffee.usefulapi.io/mcp+ - [Catalog Machine MCP server](https://usefulapi.io/catalog-machine/): Read products, orders and catalogs; update products and rebuild catalog PDFs in Catalog Machine. Server URL: https://catalog-machine.usefulapi.io/mcp
Showing the first 40 of each.