inv.bg MCP by usefulapi MCP Tools
inv.bg MCP by usefulapi exposes 27 tools. Each one has its own page with the configuration for every client that can run this server.
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invbg_get_accountinvbg get account
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invbg_get_firminvbg get firm
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invbg_list_invoicesinvbg list invoices
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invbg_get_invoiceinvbg get invoice
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invbg_list_invoice_typesinvbg list invoice types
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invbg_get_next_invoice_numberinvbg get next invoice number
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invbg_list_number_setsinvbg list number sets
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invbg_list_payment_methodsinvbg list payment methods
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invbg_list_vat_exemption_reasonsinvbg list vat exemption reasons
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invbg_list_clientsinvbg list clients
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invbg_get_clientinvbg get client
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invbg_list_client_contactsinvbg list client contacts
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invbg_list_itemsinvbg list items
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invbg_get_iteminvbg get item
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invbg_list_item_unitsinvbg list item units
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invbg_list_paymentsinvbg list payments
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invbg_get_paymentinvbg get payment
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invbg_list_bank_accountsinvbg list bank accounts
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invbg_list_bank_transactionsinvbg list bank transactions
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invbg_list_cashboxesinvbg list cashboxes
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invbg_get_exchange_rateinvbg get exchange rate
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invbg_create_clientinvbg create client
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invbg_update_clientinvbg update client
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invbg_create_iteminvbg create item
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invbg_create_invoiceinvbg create invoice
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invbg_send_invoice_emailinvbg send invoice email
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invbg_record_invoice_paymentinvbg record invoice payment
This list was read from the server itself, by connecting to it and calling tools/list on 25 October 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.