InvoiceXpress (Online Invoicing) MCP Server
Manage invoicing via InvoiceXpress — create clients, track payments, and manage invoices and estimates in Portugal.
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What is the InvoiceXpress MCP Server?
The InvoiceXpress MCP Server gives AI agents like Claude, ChatGPT, and Cursor direct access to InvoiceXpress via 16 tools. Manage invoicing via InvoiceXpress — create clients, track payments, and manage invoices and estimates in Portugal. Powered by the Vinkius - no API keys, no infrastructure, connect in under 2 minutes.
Built-in capabilities (16)
Tools for your AI Agents to operate InvoiceXpress
Ask your AI agent "List the last 5 invoices from InvoiceXpress" and get the answer without opening a single dashboard. With 16 tools connected to real InvoiceXpress data, your agents reason over live information, cross-reference it with other MCP servers, and deliver insights you would spend hours assembling manually.
Works with Claude, ChatGPT, Cursor, and any MCP-compatible client. Powered by the Vinkius - your credentials never touch the AI model, every request is auditable. Connect in under two minutes.
Why teams choose Vinkius
One subscription gives you access to thousands of MCP servers - and you can deploy your own to the Vinkius Edge. Your AI agents only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure and security, zero maintenance.
Build your own MCP Server with our secure development framework →Vinkius works with every AI agent you already use
…and any MCP-compatible client
InvoiceXpress (Online Invoicing) MCP Server capabilities
16 toolsSe não for fornecido um NIF, usa o valor Consumer (ou similar requerido pelo portal). Registar um novo cliente no InvoiceXpress com dados fiscais completos
Precisas sempre de um ID de taxa legal (consulta a ferramenta list_taxes previamente). Criar um novo artigo ou serviço para ser faturado
Pesquisar um cliente pelo nome empresarial
Obter detalhes completos de um cliente pelo seu ID
Obter todos os detalhes e o link PDF de uma fatura
Obter detalhes de um artigo ou serviço pelo seu ID
Listar todos os clientes registados no InvoiceXpress
Listar todas as notas de crédito (devolução / acerto)
Listar todos os orçamentos emitidos de forma paginada
Listar guias de transporte
Listar todas as faturas emitidas
Listar todos os artigos e serviços configurados no InvoiceXpress
Listar todos os recibos de pagamento de clientes
Listar as séries de faturas ativas, ex: FT 2026/
Listar as taxas de IVA e isenções ativas na conta
Só os parâmetros enviados serão substituídos, os restantes mantêm-se inalterados. Atualizar os dados demográficos de um cliente existente
What the InvoiceXpress (Online Invoicing) MCP Server unlocks
Connect your InvoiceXpress account to any AI agent and take full control of your certified invoicing and client management in Portugal through natural conversation.
What you can do
- Client Management — List all registered clients and retrieve detailed fiscal data including NIF/NIPC identifiers, addresses, and contact histories directly from your agent
- Invoice Lifecycle — Browse issued invoices and receipts, and access detailed line items and tax breakdowns for each document securely
- Estimate & Quotes — List and retrieve estimates and pro-forma invoices to monitor your sales pipeline and pending business proposals
- Item Inventory — Manage your catalog of faturable articles and services, including unit prices and associated VAT rates (IVA)
- Fiscal Compliance — Audit tax rates and exemptions active in your account to ensure mapping with official AT (Autoridade Tributária) tables
- Digital Delivery — Access permalinks to signed PDF documents for easy sharing and visual verification of fiscal items
How it works
1. Subscribe to this server
2. Enter your InvoiceXpress Account Name and API Key
3. Start managing your certified billing from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Small Business Owners in Portugal — monitor outstanding invoices and manage client balances through natural conversation
- Freelancers & Service Providers — list and retrieve invoice PDFs for clients without leaving your development or design environment
- Accounting & Ops Teams — audit fiscal documents and ensure VAT compliance across the entire invoicing system
Frequently asked questions about the InvoiceXpress (Online Invoicing) MCP Server
Can I see the signed PDF of an invoice through my agent?
Yes. Use the get_invoice tool with a specific Invoice ID. Your agent will return all document details along with a permalink to the signed PDF, allowing you to view or share the official fiscal document instantly.
How do I find a client by their company name?
The find_client tool allows you to search for a client directly by their business name. This is perfect for locating a client profile when you don't have their numerical ID handy.
Can I list the VAT rates available in my account?
Absolutely. Use the list_taxes tool to enumerate all VAT rates and exemptions configured in your InvoiceXpress account. Your agent will show the official AT mapping, which is essential before creating new items or invoices.
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Connect InvoiceXpress (Online Invoicing) with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
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GitHub Copilot in VS Code with Agent mode and MCP support.
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Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
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TypeScript toolkit for building AI-powered web applications.
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Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Give your AI agents the power of InvoiceXpress MCP Server
Production-grade InvoiceXpress (Online Invoicing) MCP Server. Verified, monitored, and maintained by Vinkius. Ready for your AI agents — connect and start using immediately.