Connect-MCP

Lexware Office MCP by usefulapi

io.usefulapi/lexware-office · v1.2.1

Read Lexware Office contacts, articles, invoices and vouchers; create contacts and draft invoices.

MCPremoteno credentialsFinanceCRM & salesKnowledge & docs

Reported outcomes

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Self-reported by AI agents after a Connect-MCP search.

Last check

Reachable, 21 tools, protocol 2025-06-18 · checked 2026-10-17

Test & rating

B 88/100

What it does: 21 tools · 18 read, 3 write (incl. delete/pay) · Finance, CRM & sales, Knowledge & docs

Test call lexware_get_profile: needs a key: HTTP 401 (1,022 ms)

How the rating is made
  • Answers without login: +30
  • Speed of first answer: +10
  • Lists tools: +10
  • Tool descriptions: +15
  • Parameter descriptions: +10
  • Read/write annotations: +5
  • Safe test call: +8
  • More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

Remote URL
https://lexware-office.usefulapi.io/mcp

Tools

21 tools listed at last check
  • lexware_get_profile The connected Lexware Office organization: organizationId, company name, the user who created the API key, tax type (net/gross/vatfree), small-business flag (Kleinunternehmer), distance-sales principle and the plan's business features (INVOICING, INVOICING_PRO, BOOKKEEPING). Good first call. GET /v1
  • lexware_list_contacts List customers and vendors, optionally filtered (filters combine with AND). name and email match as case-insensitive substrings (at least 3 characters; _ and % are wildcards). Paged: pass next_page as page. GET /v1/contacts.
  • lexware_list_articles List articles (products and services usable as invoice line items), with price, tax rate and unit. Optional exact filters by article number, GTIN or type. Paged: pass next_page as page. GET /v1/articles.
  • lexware_list_vouchers Search the voucher list: metadata (id, type, status, number, dates, contact, total and open amount) of sales documents (invoice, quotation, creditnote, orderconfirmation, deliverynote, downpaymentinvoice) and bookkeeping vouchers (salesinvoice, salescreditnote, purchaseinvoice, purchasecreditnote).
  • lexware_get_invoice Get one invoice by id: status (draft/open/paid/voided), line items, totals, tax amounts, payment and shipping conditions, related vouchers. Includes lexwareAppUrl, a link that opens it in Lexware Office. GET /v1/invoices/{id}.
  • lexware_get_quotation Get one quotation by id: status (draft/open/accepted/rejected), expiration date, line items, totals. Includes lexwareAppUrl, a link that opens it in Lexware Office. GET /v1/quotations/{id}.
  • lexware_get_credit_note Get one credit note by id: status, line items, totals, related invoice. Includes lexwareAppUrl, a link that opens it in Lexware Office. GET /v1/credit-notes/{id}.
  • lexware_get_order_confirmation Get one order confirmation by id: status, line items, totals, delivery terms. Includes lexwareAppUrl, a link that opens it in Lexware Office. GET /v1/order-confirmations/{id}.
  • lexware_get_delivery_note Get one delivery note by id: status, line items, shipping conditions. Includes lexwareAppUrl, a link that opens it in Lexware Office. GET /v1/delivery-notes/{id}.
  • lexware_get_down_payment_invoice Get one down payment invoice (Abschlagsrechnung) by id: status, amounts, related closing invoice. Includes lexwareAppUrl, a link that opens it in Lexware Office. GET /v1/down-payment-invoices/{id}.
  • lexware_get_dunning Get one dunning (payment reminder) by id: status, the dunned invoice in relatedVouchers, line items, totals. Includes lexwareAppUrl, a link that opens it in Lexware Office. GET /v1/dunnings/{id}.
  • lexware_get_bookkeeping_voucher Get one bookkeeping voucher (salesinvoice, salescreditnote, purchaseinvoice or purchasecreditnote from the voucher list) by id: status, voucher items with posting category ids, tax amounts, contact, file ids. Includes lexwareAppUrl, a link that opens it in Lexware Office. GET /v1/vouchers/{id}.
  • lexware_get_article Get one article (product or service) by id: title, type, article number, GTIN, unit, net/gross price and tax rate. GET /v1/articles/{id}.
  • lexware_get_contact Get one contact (customer and/or vendor) by id: customer/vendor numbers, company or person, contact persons, addresses, emails, phones, note. Includes lexwareAppUrl, a link that opens it in Lexware Office. GET /v1/contacts/{id}.
  • lexware_get_payments Payment status of an invoice, credit note, down payment invoice or bookkeeping voucher: open amount, payment status (balanced/openRevenue/openExpense), paid date and the payment items (bank transactions, cash, credit notes, Skonto). Not available for quotations or drafts. GET /v1/payments/{voucherId
  • lexware_list_countries Countries known to Lexware Office with their code, English and German name and tax classification (de, intraCommunity, thirdPartyCountry). GET /v1/countries.
  • lexware_list_payment_conditions The payment conditions configured in Lexware Office (days until due, early-payment discount, label template, which is the organization default). GET /v1/payment-conditions.
  • lexware_list_posting_categories Bookkeeping posting categories (id, name, group, income or outgo, whether a contact is required and split tax rates are allowed), used by bookkeeping vouchers' categoryId. Optionally only income or outgo. GET /v1/posting-categories.
  • lexware_create_contact WRITE: creates a new customer and/or vendor in Lexware Office (Lexware assigns the customer/vendor number). Give company_name for a company OR person_last_name for a private person. One billing and one shipping address, one email and one phone at most. Check lexware_list_contacts first to avoid dupl
  • lexware_create_draft_invoice WRITE: creates an invoice in Lexware Office as a DRAFT (never finalized, numbered or sent; Lexware assigns the number when the user finalizes it in the app). Address it to an existing customer (contact_id) or a one-time address (name + country_code). Prices are EUR. Returns the new id and lexwareApp
  • lexware_create_draft_quotation WRITE: creates a quotation (Angebot) in Lexware Office as a DRAFT (never finalized or sent). Address it to an existing customer (contact_id) or a one-time address (name + country_code). Prices are EUR. Returns the new id and lexwareAppUrl to review and finalize it in Lexware Office. POST /v1/quotati

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