Nubank MX MCP Server for Vercel AI SDK 14 tools — connect in under 2 minutes
The Vercel AI SDK is the TypeScript toolkit for building AI-powered applications. Connect Nubank MX 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 Nubank MX, 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 Nubank MX MCP Server
Connect your Nubank Mexico account to any AI agent and take control of your personal banking through natural conversation.
The Vercel AI SDK gives every Nubank MX tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 14 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
- Account Overview — Check your Cuenta balance, CLABE number, and annual yield (rendimiento) on deposits in real-time
- Transaction History — Browse and inspect debit card purchases, SPEI transfers, ATM withdrawals, and incoming deposits with full merchant details
- Credit Card Management — View your credit limit, current balance, monthly statements, meses sin intereses purchases, and minimum payment due dates
- SPEI Transfers — Send instant interbank transfers to any Mexican bank account using CLABE numbers, with concept descriptions and recipient tracking
- Bill Payments — Pay CFE, Telmex, water, internet, and other Mexican utility services directly from your Cuenta balance
- Spending Intelligence — Access AI-powered spending analytics by category, with monthly trends and top merchant insights
The Nubank MX MCP Server exposes 14 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 Nubank MX to Vercel AI SDK via MCP
Follow these steps to integrate the Nubank MX 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 14 tools from Nubank MX and passes them to the LLM
Why Use Vercel AI SDK with the Nubank MX MCP Server
Vercel AI SDK provides unique advantages when paired with Nubank MX 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 Nubank MX integration everywhere
Built-in streaming UI primitives let you display Nubank MX 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
Nubank MX + Vercel AI SDK Use Cases
Practical scenarios where Vercel AI SDK combined with the Nubank MX MCP Server delivers measurable value.
AI-powered web apps: build dashboards that query Nubank MX in real-time and stream results to the UI with zero loading states
API backends: create serverless endpoints that orchestrate Nubank MX tools and return structured JSON responses to any frontend
Chatbots with tool use: embed Nubank MX capabilities into conversational interfaces with streaming responses and tool call visibility
Internal tools: build admin panels where team members interact with Nubank MX through natural language queries
Nubank MX MCP Tools for Vercel AI SDK (14)
These 14 tools become available when you connect Nubank MX to Vercel AI SDK via MCP:
create_transfer
Transfers are processed in real-time during banking hours. Send a SPEI transfer
get_account_balance
Check your current account balance
get_account_info
Get your Nubank Mexico account profile
get_credit_card_info
Get your Nubank credit card details
get_credit_card_statement
Defaults to the current open statement if no month is specified. Get a credit card statement
get_investments
View your Cajitas investment portfolio
get_spending_analytics
), showing monthly trends, top merchants, and comparisons to previous periods. Use the period parameter for specific timeframes. Get spending analytics and insights
get_transaction
Get full details of a specific transaction
list_bills
List pending bills and service payments
list_credit_card_transactions
settled status. List recent credit card transactions
list_rewards
List your Nubank reward points and benefits
list_transactions
Use limit and offset for pagination through large histories. List recent account transactions
list_transfers
List outgoing transfers
pay_bill
If no amount is specified, the full outstanding amount is paid. Supports partial payments for eligible billers. Pay a bill or service
Example Prompts for Nubank MX in Vercel AI SDK
Ready-to-use prompts you can give your Vercel AI SDK agent to start working with Nubank MX immediately.
"How much do I have in my Nubank account right now?"
"Send $5,000 MXN via SPEI to CLABE 012180001234567890 with concept 'Renta abril'."
"Show me my spending breakdown for last month."
Troubleshooting Nubank MX MCP Server with Vercel AI SDK
Common issues when connecting Nubank MX to Vercel AI SDK through the Vinkius, and how to resolve them.
createMCPClient is not a function
npm install @ai-sdk/mcpNubank MX + Vercel AI SDK FAQ
Common questions about integrating Nubank MX 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 Nubank MX 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.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
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.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect Nubank MX to Vercel AI SDK
Get your token, paste the configuration, and start using 14 tools in under 2 minutes. No API key management needed.