Nubank MX MCP Server for Pydantic AI 14 tools — connect in under 2 minutes
Pydantic AI brings type-safe agent development to Python with first-class MCP support. Connect Nubank MX through Vinkius and every tool is automatically validated against Pydantic schemas. catch errors at build time, not in production.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import asyncio
from pydantic_ai import Agent
from pydantic_ai.mcp import MCPServerHTTP
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
server = MCPServerHTTP(url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
agent = Agent(
model="openai:gpt-4o",
mcp_servers=[server],
system_prompt=(
"You are an assistant with access to Nubank MX "
"(14 tools)."
),
)
result = await agent.run(
"What tools are available in Nubank MX?"
)
print(result.data)
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.
Pydantic AI validates every Nubank MX tool response against typed schemas, catching data inconsistencies at build time. Connect 14 tools through Vinkius and switch between OpenAI, Anthropic, or Gemini without changing your integration code. full type safety, structured output guarantees, and dependency injection for testable agents.
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 Pydantic AI 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 Pydantic AI via MCP
Follow these steps to integrate the Nubank MX MCP Server with Pydantic AI.
Install Pydantic AI
Run pip install pydantic-ai
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 with type-safe schemas
Why Use Pydantic AI with the Nubank MX MCP Server
Pydantic AI provides unique advantages when paired with Nubank MX through the Model Context Protocol.
Full type safety: every MCP tool response is validated against Pydantic models, catching data inconsistencies before they reach your application
Model-agnostic architecture. switch between OpenAI, Anthropic, or Gemini without changing your Nubank MX integration code
Structured output guarantee: Pydantic AI ensures tool results conform to defined schemas, eliminating runtime type errors
Dependency injection system cleanly separates your Nubank MX connection logic from agent behavior for testable, maintainable code
Nubank MX + Pydantic AI Use Cases
Practical scenarios where Pydantic AI combined with the Nubank MX MCP Server delivers measurable value.
Type-safe data pipelines: query Nubank MX with guaranteed response schemas, feeding validated data into downstream processing
API orchestration: chain multiple Nubank MX tool calls with Pydantic validation at each step to ensure data integrity end-to-end
Production monitoring: build validated alert agents that query Nubank MX and output structured, schema-compliant notifications
Testing and QA: use Pydantic AI's dependency injection to mock Nubank MX responses and write comprehensive agent tests
Nubank MX MCP Tools for Pydantic AI (14)
These 14 tools become available when you connect Nubank MX to Pydantic AI 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 Pydantic AI
Ready-to-use prompts you can give your Pydantic AI 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 Pydantic AI
Common issues when connecting Nubank MX to Pydantic AI through the Vinkius, and how to resolve them.
MCPServerHTTP not found
pip install --upgrade pydantic-aiNubank MX + Pydantic AI FAQ
Common questions about integrating Nubank MX MCP Server with Pydantic AI.
How does Pydantic AI discover MCP tools?
MCPServerHTTP instance with the server URL. Pydantic AI connects, discovers all tools, and generates typed Python interfaces automatically.Does Pydantic AI validate MCP tool responses?
Can I switch LLM providers without changing MCP code?
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 Pydantic AI
Get your token, paste the configuration, and start using 14 tools in under 2 minutes. No API key management needed.