Lexware Office MCP Server

Name: Lexware Office MCP Server
Author: JannikWempe

@JannikWempe

リポジトリ

Lexware Office MCP Server について

MCP server to interact with Lexware Office

基本情報

カテゴリ

その他

ライセンス

MIT

ランタイム

node

トランスポート

stdio

公開者

JannikWempe

設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "mcp-lexware-office": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "LEXWARE_OFFICE_API_KEY",
        "mcp-lexware-office"
      ],
      "env": {
        "LEXWARE_OFFICE_API_KEY": "YOUR_API_KEY_HERE"
      }
    }
  }
}

ツール

ツールは検出されませんでした

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is Lexware Office MCP Server?

An MCP server for Lexware Office (formerly Lexoffice) that enables MCP-capable assistants to query and manage contacts, sales documents, vouchers, files, payments, webhooks, and reference data through the Lexware Office public API. It offers two entrypoints: a stable v1 with many endpoint-shaped tools and a preview v2 with two Code Mode tools (search and execute).

How to use Lexware Office MCP Server?

Requires Node.js 22+ and the LEXWARE_OFFICE_API_KEY environment variable. Configure your MCP client (e.g., Claude Desktop) to start one of the two entrypoints via npx, Docker, or local TypeScript source. For v2, write safety is read-only by default unless LEXWARE_OFFICE_ALLOW_WRITES=true is set.

Key features of Lexware Office MCP Server

Broad Lexware Office API coverage for read and write workflows.
Sales documents: invoices, quotations, credit notes, delivery notes, and more.
Contact management: create, read, and update customers and vendors.
Bookkeeping: vouchers, posting categories, payments, and file uploads.
Webhooks: create, list, inspect, and delete event subscriptions.
v2 Code Mode with sandboxed JavaScript execution for complex workflows.

Use cases of Lexware Office MCP Server

Automate invoice creation and finalization from an AI assistant.
Manage customer and vendor contacts programmatically.
Upload and attach vouchers and files to bookkeeping records.
Query and update reference data like countries and payment conditions.
Set up and manage webhook subscriptions for event-driven integrations.

FAQ from Lexware Office MCP Server

What is the difference between v1 and v2 entrypoints?

v1 is the stable legacy server with many endpoint-shaped tools (e.g., get-contacts, create-invoice). v2 is a preview with two Code Mode tools—search and execute—that run sandboxed JavaScript against a curated API catalog. v2 is intended to replace v1 in the future.

What are the runtime requirements?

Node.js 22 or higher and a LEXWARE_OFFICE_API_KEY environment variable. The server can be run via npx, Docker, or from TypeScript source with tsx.

How does write safety work in v2?

v2 is read-only by default. POST, PUT, PATCH, and DELETE requests are blocked. Set LEXWARE_OFFICE_ALLOW_WRITES=true to enable writes, but LEXWARE_OFFICE_READ_ONLY=true remains a hard block that overrides any write permission.

How do I upload binary files in v2?

In v2, binary-safe uploads are supported via bodyBase64 (raw binary body) or multipart with contentBase64 (binary FormData parts). The host decodes base64 and builds the binary body outside the sandbox.

What should I do if `npx` fails with a `--before` error?

The error can occur if your npm user config has minimum-release-age. Fix by bypassing user config: NPM_CONFIG_USERCONFIG=/dev/null npx ... or permanently remove the setting with npm config delete minimum-release-age --location=user.

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