Lexware Office (Accounting & Invoicing) MCP Server for Google ADK 14 tools — connect in under 2 minutes
Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add Lexware Office (Accounting & Invoicing) as an MCP tool provider through the Vinkius and your ADK agents can call every tool with full schema introspection.
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Vinkius supports streamable HTTP and SSE.
from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
StreamableHTTPConnectionParams,
)
# Your Vinkius token — get it at cloud.vinkius.com
mcp_tools = McpToolset(
connection_params=StreamableHTTPConnectionParams(
url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
)
)
agent = Agent(
model="gemini-2.5-pro",
name="lexware_office_accounting_invoicing_agent",
instruction=(
"You help users interact with Lexware Office (Accounting & Invoicing) "
"using 14 available tools."
),
tools=[mcp_tools],
)
* 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.
Google ADK natively supports Lexware Office (Accounting & Invoicing) as an MCP tool provider — declare the Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 14 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.
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 Google ADK 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 Google ADK via MCP
Follow these steps to integrate the Lexware Office (Accounting & Invoicing) MCP Server with Google ADK.
Install Google ADK
Run pip install google-adk
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Create the agent
Save the code above and integrate into your ADK workflow
Explore tools
The agent will discover 14 tools from Lexware Office (Accounting & Invoicing) via MCP
Why Use Google ADK with the Lexware Office (Accounting & Invoicing) MCP Server
Google ADK provides unique advantages when paired with Lexware Office (Accounting & Invoicing) through the Model Context Protocol.
Google ADK natively supports MCP tool servers — declare a tool provider and the framework handles discovery, validation, and execution
Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with Lexware Office (Accounting & Invoicing)
Production-ready features like session management, evaluation, and deployment come built-in — not bolted on
Seamless integration with Google Cloud services means you can combine Lexware Office (Accounting & Invoicing) tools with BigQuery, Vertex AI, and Cloud Functions
Lexware Office (Accounting & Invoicing) + Google ADK Use Cases
Practical scenarios where Google ADK combined with the Lexware Office (Accounting & Invoicing) MCP Server delivers measurable value.
Enterprise data agents: ADK agents query Lexware Office (Accounting & Invoicing) and cross-reference results with internal databases for comprehensive analysis
Multi-modal workflows: combine Lexware Office (Accounting & Invoicing) tool responses with Gemini's vision and language capabilities in a single agent
Automated compliance checks: schedule ADK agents to query Lexware Office (Accounting & Invoicing) regularly and flag policy violations or configuration drift
Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including Lexware Office (Accounting & Invoicing)
Lexware Office (Accounting & Invoicing) MCP Tools for Google ADK (14)
These 14 tools become available when you connect Lexware Office (Accounting & Invoicing) to Google ADK 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 Google ADK
Ready-to-use prompts you can give your Google ADK 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 Google ADK
Common issues when connecting Lexware Office (Accounting & Invoicing) to Google ADK through the Vinkius, and how to resolve them.
McpToolset not found
pip install --upgrade google-adkLexware Office (Accounting & Invoicing) + Google ADK FAQ
Common questions about integrating Lexware Office (Accounting & Invoicing) MCP Server with Google ADK.
How does Google ADK connect to MCP servers?
Can ADK agents use multiple MCP servers?
Which Gemini models work best with MCP tools?
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Connect Lexware Office (Accounting & Invoicing) to Google ADK
Get your token, paste the configuration, and start using 14 tools in under 2 minutes. No API key management needed.