About Fortnox MCP Server
Fortnox MCP Server is an MCP server in the Finance category: mCP server for Fortnox accounting software — manage invoices, customers, suppliers, accounting, and more via AI agents.
Install
git clone https://github.com/Proviscale/fortnox-mcp-serverThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (20)
create_customerAdd a new customer to Fortnox.
Parameters not published.
create_invoiceCreate a new invoice for a customer with line items.
Parameters not published.
create_offerCreate a quote/offer for a customer.
Parameters not published.
create_supplier_invoiceRecord a new supplier invoice (expense/bill).
Parameters not published.
create_voucherCreate a manual journal entry (voucher). Rows must balance (total debit = total credit).
Parameters not published.
get_accountsGet the chart of accounts. Useful for finding account numbers for bookkeeping.
Parameters not published.
get_company_infoGet company information and settings from Fortnox.
Parameters not published.
get_customerGet full details of a specific customer.
Parameters not published.
get_financial_yearGet information about financial/accounting years.
Parameters not published.
get_invoiceGet full details of a specific invoice by its document number.
Parameters not published.
Show all 20 tools
get_invoice_paymentsCheck payment status and history for a specific invoice.
Parameters not published.
get_supplierGet details of a specific supplier/vendor.
Parameters not published.
list_cost_centersList cost centers for allocating expenses across departments or projects.
Parameters not published.
list_customersSearch and filter the customer database.
Parameters not published.
list_invoicesList and filter invoices. Supports filtering by status, date range, and pagination.
Parameters not published.
list_ordersList and filter sales orders.
Parameters not published.
list_projectsList all projects for tracking time and costs.
Parameters not published.
list_supplier_invoicesList incoming supplier invoices (bills/expenses).
Parameters not published.
list_vouchersList journal entries/vouchers. Optionally filter by financial year.
Parameters not published.
send_invoiceSend an invoice to the customer via email.
Parameters not published.
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