Lexware Office (Accounting & Invoicing) MCP Server for Mastra AI 14 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Lexware Office (Accounting & Invoicing) through the Vinkius and Mastra agents discover all tools automatically — type-safe, streaming-ready, and deployable anywhere Node.js runs.
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Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token — get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"lexware-office-accounting-invoicing": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Lexware Office (Accounting & Invoicing) Agent",
instructions:
"You help users interact with Lexware Office (Accounting & Invoicing) " +
"using 14 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Lexware Office (Accounting & Invoicing)?"
);
console.log(result.text);
}
main();
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About Lexware Office (Accounting & Invoicing) MCP Server
Connect your Lexware Office (lexoffice) account to any AI agent and take full control of your cloud-based accounting and invoicing through natural conversation.
Mastra's agent abstraction provides a clean separation between LLM logic and Lexware Office (Accounting & Invoicing) tool infrastructure. Connect 14 tools through the Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution — deployable to any Node.js host in one command.
What you can do
- Contact Management — List and structure all business contacts (customers, vendors) and create new records with precise role assignments directly from your agent
- Invoice Lifecycle — Browse chronologically sorted invoices and retrieve detailed line items, VAT breakdowns, and payment statuses securely
- Accounting Vouchers — Access a unified stream of all recorded vouchers, including expenses, revenue, and credit notes for easy bookkeeping audits
- Sales Pipeline — List and inspect quotations, order confirmations, and delivery notes to monitor your sales and logistics workflow
- Financial Configuration — Query global payment conditions and posting categories to ensure accurate account mapping and tax compliance
- Credit Notes Audit — Retrieve exact amount details and positions for credit notes to manage cancellations and financial corrections efficiently
The Lexware Office (Accounting & Invoicing) MCP Server exposes 14 tools through the Vinkius. Connect it to Mastra AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect Lexware Office (Accounting & Invoicing) to Mastra AI via MCP
Follow these steps to integrate the Lexware Office (Accounting & Invoicing) MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 14 tools from Lexware Office (Accounting & Invoicing) via MCP
Why Use Mastra AI with the Lexware Office (Accounting & Invoicing) MCP Server
Mastra AI provides unique advantages when paired with Lexware Office (Accounting & Invoicing) through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure — add Lexware Office (Accounting & Invoicing) without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every Lexware Office (Accounting & Invoicing) tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host — Vercel, Railway, Fly.io, or your own infrastructure
Lexware Office (Accounting & Invoicing) + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Lexware Office (Accounting & Invoicing) MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Lexware Office (Accounting & Invoicing), process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Lexware Office (Accounting & Invoicing) as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Lexware Office (Accounting & Invoicing) on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Lexware Office (Accounting & Invoicing) tools alongside other MCP servers
Lexware Office (Accounting & Invoicing) MCP Tools for Mastra AI (14)
These 14 tools become available when you connect Lexware Office (Accounting & Invoicing) to Mastra AI via MCP:
create_contact
Berücksichtigt hierbei standardisierte Formatierung für Kontaktpersonen (Vorname Nachname) und Rollenzuweisungen. Neuen Geschäftsdatensatz (Kunde oder Lieferant) in Lexoffice anlegen
get_contact
Detaillierte Kontaktinformationen eines Kunden oder Lieferanten abrufen
get_credit_note
Exakte Betragsdetails und Positionen einer spezifischen Gutschrift abfragen
get_invoice
-Beträge (Steuer), Netto-/Bruttosummen sowie Statusverknüpfungen (bezahlt, offen, mahnend). Detaillierte Informationen sowie Positionen einer bestimmten Rechnung abrufen
get_quotation
Umfangreiche Einzelheiten (Beträge, Positionen) eines bestimmten Angebots betrachten
list_contacts
Nützlich zur Verwaltung der Stammdaten. Alle Kontakte (Kunden, Lieferanten) in Lexoffice strukturieren und auflisten
list_credit_notes
Gutschriftsbelegen zur buchhalterischen Prüfung nach Datum absteigend strukturiert. Historie aller in Lexoffice verzeichneten Gutschriften anzeigen
list_delivery_notes
Sammlung ausgestellter Lieferscheine (Versanddokumente) abrufen
list_invoices
Verwendet standardmäßig die paginierte Ansicht. Alle abgerechneten Rechnungen auflisten, chronologisch sortiert
list_order_confirmations
Strukturiertes Register aller bisherigen Auftragsbestätigungen aufrufen
list_payment_conditions
Stammdaten zu global hinterlegten Zahlungsbedingungen (Zahlungsziele, Skonto) abfragen
list_posting_categories
Dies regelt in der Zuordnung, auf welches DATEV- oder Interne-Konto ein Vorfall verbucht wird. Definierte Buchungskategorien / Kontorahmen für Einnahmen und Ausgaben anzeigen
list_quotations
Zusammenstellung offener und abgeschlossener Angebote auflisten
list_vouchers
Deckt Rechnungen, Gutschriften und Ausgaben in einem gebündelten Datenstrom ab. Gesamtübersicht aller Arten verbuchter Belege (Ausgaben, Einnahmen) betrachten
Example Prompts for Lexware Office (Accounting & Invoicing) in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Lexware Office (Accounting & Invoicing) immediately.
"List the last 5 invoices from Lexware Office"
"Show me the details for contact 'TechGmbH' (ID: cont-123)"
"What are my current payment conditions?"
Troubleshooting Lexware Office (Accounting & Invoicing) MCP Server with Mastra AI
Common issues when connecting Lexware Office (Accounting & Invoicing) to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpLexware Office (Accounting & Invoicing) + Mastra AI FAQ
Common questions about integrating Lexware Office (Accounting & Invoicing) MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
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Connect Lexware Office (Accounting & Invoicing) to Mastra AI
Get your token, paste the configuration, and start using 14 tools in under 2 minutes. No API key management needed.