Mercado Pago MCP Server for LangChain 12 tools — connect in under 2 minutes
LangChain is the leading Python framework for composable LLM applications. Connect Mercado Pago through the Vinkius and LangChain agents can call every tool natively — combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import asyncio
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent
async def main():
# Your Vinkius token — get it at cloud.vinkius.com
async with MultiServerMCPClient({
"mercado-pago": {
"transport": "streamable_http",
"url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
}
}) as client:
tools = client.get_tools()
agent = create_react_agent(
ChatOpenAI(model="gpt-4o"),
tools,
)
response = await agent.ainvoke({
"messages": [{
"role": "user",
"content": "Using Mercado Pago, show me what tools are available.",
}]
})
print(response["messages"][-1].content)
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 Mercado Pago MCP Server
Connect Mercado Pago to any AI agent and unlock Brazil's leading payment gateway — create Pix payments, manage credit card transactions, issue refunds, and handle customer data through natural conversation.
LangChain's ecosystem of 500+ components combines seamlessly with Mercado Pago through native MCP adapters. Connect 12 tools via the Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures — with LangSmith tracing giving full visibility into every tool call, latency, and token cost.
What you can do
- Pix Payments — Generate instant Pix QR Codes for frictionless payments
- Credit Card Processing — Charge cards (Visa, Mastercard, Elo) securely
- Checkout Preferences — Generate payment links for web checkout
- Customer Management — Register customers and save cards for one-click payments
- Refunds — Issue partial or full refunds instantly
- Payment Search — Find and reconcile payments by email, status, or ID
- Payment Methods — List all supported methods in Brazil
The Mercado Pago MCP Server exposes 12 tools through the Vinkius. Connect it to LangChain 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 Mercado Pago to LangChain via MCP
Follow these steps to integrate the Mercado Pago MCP Server with LangChain.
Install dependencies
Run pip install langchain langchain-mcp-adapters langgraph langchain-openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save the code and run python agent.py
Explore tools
The agent discovers 12 tools from Mercado Pago via MCP
Why Use LangChain with the Mercado Pago MCP Server
LangChain provides unique advantages when paired with Mercado Pago through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents — combine Mercado Pago MCP tools with 500+ LangChain components
Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
Memory and conversation persistence let agents maintain context across Mercado Pago queries for multi-turn workflows
Mercado Pago + LangChain Use Cases
Practical scenarios where LangChain combined with the Mercado Pago MCP Server delivers measurable value.
RAG with live data: combine Mercado Pago tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query Mercado Pago, synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain Mercado Pago tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every Mercado Pago tool call, measure latency, and optimize your agent's performance
Mercado Pago MCP Tools for LangChain (12)
These 12 tools become available when you connect Mercado Pago to LangChain via MCP:
create_card
Save a card for a customer
create_customer
Register a new customer
create_payment
Requires a valid card token (generated via SDK frontend). Payment methods: visa, master, amex, etc. Create a new payment using card or other methods
create_pix_payment
Returns QR Code data for the user to scan and pay instantly. Create a Pix payment with QR Code
create_preference
Create a checkout preference for redirection
get_customer
Get customer details
get_identification_types
Get valid identification types (CPF, CNPJ, etc)
get_payment
Get details of a specific payment by ID
get_preference
Get details of a checkout preference
list_payment_methods
List all available payment methods for Brazil
refund_payment
If amount is omitted, performs a full refund. Refund a payment partially or fully
search_payments
Useful for reconciliation and reporting. Search for payments with filters
Example Prompts for Mercado Pago in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with Mercado Pago immediately.
"Create a Pix payment for R$150 for a customer."
"Refund payment 12345678 fully."
"Show me all approved payments for user@email.com."
Troubleshooting Mercado Pago MCP Server with LangChain
Common issues when connecting Mercado Pago to LangChain through the Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersMercado Pago + LangChain FAQ
Common questions about integrating Mercado Pago MCP Server with LangChain.
How does LangChain connect to MCP servers?
langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.Which LangChain agent types work with MCP?
Can I trace MCP tool calls in LangSmith?
Connect Mercado Pago 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 Mercado Pago to LangChain
Get your token, paste the configuration, and start using 12 tools in under 2 minutes. No API key management needed.