Can I send SPEI transfers to any Mexican bank from my AI agent?

Yes! Use the `create_transfer` tool with the recipient's 18-digit CLABE number, the amount in MXN, and an optional concept description. Transfers are processed instantly during banking hours through Mexico's SPEI interbank system.

Can I see which purchases were made with meses sin intereses?

Yes. Use `list_credit_card_transactions` to see all your credit card charges. Each transaction includes its installment details — whether it was a single payment or spread across 3, 6, 12, or 18 months interest-free (meses sin intereses), along with the remaining installments.

How does the spending analytics feature work?

Use `get_spending_analytics` with a period (last_month, last_3_months, last_year). It returns your spending broken down by category (food, transport, entertainment, etc.), your top merchants, and comparison percentages against your previous period.

Nubank MX MCP Server for Claude Desktop 14 tools — connect in under 2 minutes

Name: Nubank MX
Availability: InStock
Author: Vinkius

modelcontextprotocol.io/quickstart/user

Built by Vinkius GDPR 14 Tools IDE

Claude Desktop is Anthropic's native application for interacting with Claude AI models on macOS and Windows. It was the first consumer application to ship with built-in MCP support, making it the reference implementation for the Model Context Protocol standard.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

RecommendedModern Approach — Zero Configuration

Vinkius Desktop App

The modern way to manage MCP Servers — no config files, no terminal commands. Install Nubank MX and 2,500+ MCP Servers from a single visual interface.

Download Free Open SourceNo signup required

Classic Setup·json

{
  "mcpServers": {
    "nubank-mx": {
      // Your Vinkius token. get it at cloud.vinkius.com
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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.

Claude Desktop is the definitive way to connect Nubank MX to your AI workflow. Add Vinkius Edge URL to your config, restart the app, and Claude immediately exposes all 14 tools in the chat interface. ask a question, Claude calls the right tool, and you see the answer. Zero code, zero context switching.

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 Claude Desktop 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 Claude Desktop via MCP

Follow these steps to integrate the Nubank MX MCP Server with Claude Desktop.

Open Claude Desktop Settings

Go to Settings → Developer → Edit Config to open claude_desktop_config.json

Add the MCP Server

Paste the configuration above into the mcpServers section

Restart Claude Desktop

Close and reopen Claude Desktop to load the new server

Start using Nubank MX

Look for the 🔌 icon in the chat. your 14 tools are now available

Why Use Claude Desktop with the Nubank MX MCP Server

Claude Desktop by Anthropic provides unique advantages when paired with Nubank MX through the Model Context Protocol.

Claude Desktop is the reference MCP client. it was designed alongside the protocol itself, ensuring the most complete and stable MCP implementation available

Zero-code configuration: add a server URL to a JSON file and Claude instantly discovers and exposes all available tools in the chat interface

Claude's extended thinking capability lets it reason through multi-step tool usage, chaining multiple API calls to answer complex questions

Enterprise-grade security with local config storage. your tokens never leave your machine, and connections go directly to Vinkius Edge network

Nubank MX + Claude Desktop Use Cases

Practical scenarios where Claude Desktop combined with the Nubank MX MCP Server delivers measurable value.

Interactive data exploration: ask Claude to query DNS records, look up WHOIS data, and cross-reference results in a single conversation

Ad-hoc security audits: type a domain name and let Claude enumerate subdomains, check DNS history, and flag configuration anomalies. all through natural language

Executive briefings: generate comprehensive domain intelligence reports by asking Claude to compile findings into a formatted summary

Learning and training: new team members can explore API capabilities conversationally without needing to read documentation

Nubank MX MCP Tools for Claude Desktop (14)

These 14 tools become available when you connect Nubank MX to Claude Desktop 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 Claude Desktop

Ready-to-use prompts you can give your Claude Desktop 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 Claude Desktop

Common issues when connecting Nubank MX to Claude Desktop through the Vinkius, and how to resolve them.

Server not appearing after restart

Ensure the JSON is valid (no trailing commas). Check the file path: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\\Claude\\ (Windows).

Authentication error

Verify your Vinkius token is correct. Go to cloud.vinkius.com to regenerate it if needed.

Tools not showing in chat

Click the 🔌 icon at the bottom of the chat input. If it shows 0 tools, the server may still be connecting. wait a few seconds.

Nubank MX + Claude Desktop FAQ

Common questions about integrating Nubank MX MCP Server with Claude Desktop.

How does Claude Desktop discover MCP tools?

When Claude Desktop starts, it reads the claude_desktop_config.json file and connects to each configured MCP server. It calls the tools/list endpoint to fetch the schema for every available tool, then surfaces them as clickable options in the chat interface via the 🔌 icon.

What happens if the MCP server is temporarily unavailable?

Claude Desktop handles disconnections gracefully. if the server is unreachable at startup, the tools simply won't appear. Once the server becomes available again, restarting Claude Desktop will re-establish the connection. There is no timeout penalty or error loop.

Can I connect multiple MCP servers simultaneously?

Yes. You can add as many servers as you need in the mcpServers section of the config file. Each server appears as a separate tool provider, and Claude can use tools from multiple servers in a single conversation turn.

Is there a limit on the number of tools per server?

Claude Desktop can handle hundreds of tools per server. However, for optimal LLM performance, Vinkius servers are designed to expose focused, well-documented tool sets rather than overwhelming the model with too many options.

Does Claude Desktop support Streamable HTTP transport?

Yes. Claude Desktop supports both SSE (Server-Sent Events) and the newer Streamable HTTP transport that Vinkius uses. Simply provide the server URL. Claude auto-negotiates the transport protocol.