InvoiceXpress (Online Invoicing) MCP Server for Vercel AI SDK 16 tools — connect in under 2 minutes
The Vercel AI SDK is the TypeScript toolkit for building AI-powered applications. Connect InvoiceXpress (Online Invoicing) through Vinkius and every tool is available as a typed function. ready for React Server Components, API routes, or any Node.js backend.
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Vinkius supports streamable HTTP and SSE.
import { createMCPClient } from "@ai-sdk/mcp";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";
async function main() {
const mcpClient = await createMCPClient({
transport: {
type: "http",
// Your Vinkius token. get it at cloud.vinkius.com
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
});
try {
const tools = await mcpClient.tools();
const { text } = await generateText({
model: openai("gpt-4o"),
tools,
prompt: "Using InvoiceXpress (Online Invoicing), list all available capabilities.",
});
console.log(text);
} finally {
await mcpClient.close();
}
}
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 InvoiceXpress (Online Invoicing) MCP Server
Connect your InvoiceXpress account to any AI agent and take full control of your certified invoicing and client management in Portugal through natural conversation.
The Vercel AI SDK gives every InvoiceXpress (Online Invoicing) tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 16 tools through Vinkius and stream results progressively to React, Svelte, or Vue components. works on Edge Functions, Cloudflare Workers, and any Node.js runtime.
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
The InvoiceXpress (Online Invoicing) MCP Server exposes 16 tools through the Vinkius. Connect it to Vercel AI SDK 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 InvoiceXpress (Online Invoicing) to Vercel AI SDK via MCP
Follow these steps to integrate the InvoiceXpress (Online Invoicing) MCP Server with Vercel AI SDK.
Install dependencies
Run npm install @ai-sdk/mcp ai @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the script
Save to agent.ts and run with npx tsx agent.ts
Explore tools
The SDK discovers 16 tools from InvoiceXpress (Online Invoicing) and passes them to the LLM
Why Use Vercel AI SDK with the InvoiceXpress (Online Invoicing) MCP Server
Vercel AI SDK provides unique advantages when paired with InvoiceXpress (Online Invoicing) through the Model Context Protocol.
TypeScript-first: every MCP tool gets full type inference, IDE autocomplete, and compile-time error checking out of the box
Framework-agnostic core works with Next.js, Nuxt, SvelteKit, or any Node.js runtime. same InvoiceXpress (Online Invoicing) integration everywhere
Built-in streaming UI primitives let you display InvoiceXpress (Online Invoicing) tool results progressively in React, Svelte, or Vue components
Edge-compatible: the AI SDK runs on Vercel Edge Functions, Cloudflare Workers, and other edge runtimes for minimal latency
InvoiceXpress (Online Invoicing) + Vercel AI SDK Use Cases
Practical scenarios where Vercel AI SDK combined with the InvoiceXpress (Online Invoicing) MCP Server delivers measurable value.
AI-powered web apps: build dashboards that query InvoiceXpress (Online Invoicing) in real-time and stream results to the UI with zero loading states
API backends: create serverless endpoints that orchestrate InvoiceXpress (Online Invoicing) tools and return structured JSON responses to any frontend
Chatbots with tool use: embed InvoiceXpress (Online Invoicing) capabilities into conversational interfaces with streaming responses and tool call visibility
Internal tools: build admin panels where team members interact with InvoiceXpress (Online Invoicing) through natural language queries
InvoiceXpress (Online Invoicing) MCP Tools for Vercel AI SDK (16)
These 16 tools become available when you connect InvoiceXpress (Online Invoicing) to Vercel AI SDK via MCP:
create_client
Se não for fornecido um NIF, usa o valor Consumer (ou similar requerido pelo portal). Registar um novo cliente no InvoiceXpress com dados fiscais completos
create_item
Precisas sempre de um ID de taxa legal (consulta a ferramenta list_taxes previamente). Criar um novo artigo ou serviço para ser faturado
find_client
Pesquisar um cliente pelo nome empresarial
get_client
Obter detalhes completos de um cliente pelo seu ID
get_invoice
Obter todos os detalhes e o link PDF de uma fatura
get_item
Obter detalhes de um artigo ou serviço pelo seu ID
list_clients
Listar todos os clientes registados no InvoiceXpress
list_credit_notes
Listar todas as notas de crédito (devolução / acerto)
list_estimates
Listar todos os orçamentos emitidos de forma paginada
list_guides
Listar guias de transporte
list_invoices
Listar todas as faturas emitidas
list_items
Listar todos os artigos e serviços configurados no InvoiceXpress
list_receipts
Listar todos os recibos de pagamento de clientes
list_sequences
Listar as séries de faturas ativas, ex: FT 2026/
list_taxes
Listar as taxas de IVA e isenções ativas na conta
update_client
Só os parâmetros enviados serão substituídos, os restantes mantêm-se inalterados. Atualizar os dados demográficos de um cliente existente
Example Prompts for InvoiceXpress (Online Invoicing) in Vercel AI SDK
Ready-to-use prompts you can give your Vercel AI SDK agent to start working with InvoiceXpress (Online Invoicing) immediately.
"List the last 5 invoices from InvoiceXpress"
"Search for a client named 'TechPorto'"
"What are the active VAT rates in my account?"
Troubleshooting InvoiceXpress (Online Invoicing) MCP Server with Vercel AI SDK
Common issues when connecting InvoiceXpress (Online Invoicing) to Vercel AI SDK through the Vinkius, and how to resolve them.
createMCPClient is not a function
npm install @ai-sdk/mcpInvoiceXpress (Online Invoicing) + Vercel AI SDK FAQ
Common questions about integrating InvoiceXpress (Online Invoicing) MCP Server with Vercel AI SDK.
How does the Vercel AI SDK connect to MCP servers?
createMCPClient from @ai-sdk/mcp and pass the server URL. The SDK discovers all tools and provides typed TypeScript interfaces for each one.Can I use MCP tools in Edge Functions?
Does it support streaming tool results?
useChat and streamText that handle tool calls and display results progressively in the UI.Connect InvoiceXpress (Online Invoicing) with your favorite client
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Connect InvoiceXpress (Online Invoicing) to Vercel AI SDK
Get your token, paste the configuration, and start using 16 tools in under 2 minutes. No API key management needed.