Nubank MX MCP Server for LlamaIndex 14 tools — connect in under 2 minutes
LlamaIndex specializes in data-aware AI agents that connect LLMs to structured and unstructured sources. Add Nubank MX as an MCP tool provider through Vinkius and your agents can query, analyze, and act on live data alongside your existing indexes.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import asyncio
from llama_index.tools.mcp import BasicMCPClient, McpToolSpec
from llama_index.core.agent.workflow import FunctionAgent
from llama_index.llms.openai import OpenAI
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
mcp_client = BasicMCPClient("https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
mcp_tool_spec = McpToolSpec(client=mcp_client)
tools = await mcp_tool_spec.to_tool_list_async()
agent = FunctionAgent(
tools=tools,
llm=OpenAI(model="gpt-4o"),
system_prompt=(
"You are an assistant with access to Nubank MX. "
"You have 14 tools available."
),
)
response = await agent.run(
"What tools are available in Nubank MX?"
)
print(response)
asyncio.run(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.
LlamaIndex agents combine Nubank MX tool responses with indexed documents for comprehensive, grounded answers. Connect 14 tools through Vinkius and query live data alongside vector stores and SQL databases in a single turn. ideal for hybrid search, data enrichment, and analytical workflows.
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 LlamaIndex 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 LlamaIndex via MCP
Follow these steps to integrate the Nubank MX MCP Server with LlamaIndex.
Install dependencies
Run pip install llama-index-tools-mcp llama-index-llms-openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.py and run: python agent.py
Explore tools
The agent discovers 14 tools from Nubank MX
Why Use LlamaIndex with the Nubank MX MCP Server
LlamaIndex provides unique advantages when paired with Nubank MX through the Model Context Protocol.
Data-first architecture: LlamaIndex agents combine Nubank MX tool responses with indexed documents for comprehensive, grounded answers
Query pipeline framework lets you chain Nubank MX tool calls with transformations, filters, and re-rankers in a typed pipeline
Multi-source reasoning: agents can query Nubank MX, a vector store, and a SQL database in a single turn and synthesize results
Observability integrations show exactly what Nubank MX tools were called, what data was returned, and how it influenced the final answer
Nubank MX + LlamaIndex Use Cases
Practical scenarios where LlamaIndex combined with the Nubank MX MCP Server delivers measurable value.
Hybrid search: combine Nubank MX real-time data with embedded document indexes for answers that are both current and comprehensive
Data enrichment: query Nubank MX to augment indexed data with live information before generating user-facing responses
Knowledge base agents: build agents that maintain and update knowledge bases by periodically querying Nubank MX for fresh data
Analytical workflows: chain Nubank MX queries with LlamaIndex's data connectors to build multi-source analytical reports
Nubank MX MCP Tools for LlamaIndex (14)
These 14 tools become available when you connect Nubank MX to LlamaIndex 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 LlamaIndex
Ready-to-use prompts you can give your LlamaIndex 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 LlamaIndex
Common issues when connecting Nubank MX to LlamaIndex through the Vinkius, and how to resolve them.
BasicMCPClient not found
pip install llama-index-tools-mcpNubank MX + LlamaIndex FAQ
Common questions about integrating Nubank MX MCP Server with LlamaIndex.
How does LlamaIndex connect to MCP servers?
Can I combine MCP tools with vector stores?
Does LlamaIndex support async MCP calls?
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 LlamaIndex
Get your token, paste the configuration, and start using 14 tools in under 2 minutes. No API key management needed.