e-Boekhouden MCP tools

e-Boekhouden has 14 operations on the Cotlet MCP server, in e_boekhouden_read and e_boekhouden_write. Your agent picks one in `operation`; the tool carries each operation's input schema. Open an operation for its schema and an example call.

MCP server
https://cotlet.dev/mcp/v1
MCP tools
e_boekhouden_read, e_boekhouden_write
Connects with
Your own e-Boekhouden account (the user whose administration you want your agent to work in)
Integration page
e-Boekhouden

Read (10)

Return data and change nothing in the account.

e-Boekhouden Endpoints: Read
OperationDescription
list_relations Customers and suppliers (relations) with code, name, city and email, filtered by name, email, code, city or type.
get_relation One relation with address, contacts, email addresses, VAT number, IBAN and payment term.
list_ledgers Ledger accounts (grootboekrekeningen) with ID, code, name and category.
get_ledger_balances The balance of every ledger, optionally from and up to a date and for one cost center.
list_products Products and services with ID, code, description, price and VAT code.
list_invoice_templates Invoice templates (layout and standard texts) with their IDs.
list_invoices Invoices you created, searched by invoice number, relation or date.
get_invoice One invoice with its lines, VAT per line and totals.
list_mutations Bookings (mutations) filtered by type, date, invoice number or description.
list_outstanding_invoices Open invoices of debtors (customers who owe you) or creditors (suppliers you owe), with the open amount.

Write (4)

Change the account. Calls marked Confirm wait for the user to approve them.

e-Boekhouden Endpoints: Write
OperationDescription
create_relation Add a customer or supplier with name, address, email, VAT number and IBAN.
update_relation Change fields of a relation, or set it inactive.
create_invoice Confirm Create an invoice for a relation from one or more lines, and optionally email it to the relation.
create_mutation Confirm Book a mutation: a payment, money received or sent, or a general journal entry.

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