Correios (Brazil) MCP Server for Mastra AI 8 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Correios (Brazil) through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"correios-brazil": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Correios (Brazil) Agent",
instructions:
"You help users interact with Correios (Brazil) " +
"using 8 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Correios (Brazil)?"
);
console.log(result.text);
}
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 Correios (Brazil) MCP Server
Connect your AI agents to Correios, the official national postal service of Brazil. This MCP provides 9 tools to automate real-time object tracking, calculate shipping deadlines and prices (PAC, SEDEX), and retrieve accurate address information using Brazilian zip codes (CEP) directly through natural conversation.
Mastra's agent abstraction provides a clean separation between LLM logic and Correios (Brazil) tool infrastructure. Connect 8 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
What you can do
- Logistics Orchestration — Track multiple packages and retrieve granular status updates and historical events
- Shipping Intelligence — Calculate delivery deadlines and prices for various services between any two zip codes
- Address Validation — Retrieve complete street, neighborhood, and city details for any Brazilian CEP
- Business Integration — Access organizational contract configurations and list authorized service codes programmatically
- Regional Insights — Verify the state and city information associated with specific postal zones
The Correios (Brazil) MCP Server exposes 8 tools through the Vinkius. Connect it to Mastra 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 Correios (Brazil) to Mastra AI via MCP
Follow these steps to integrate the Correios (Brazil) MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 8 tools from Correios (Brazil) via MCP
Why Use Mastra AI with the Correios (Brazil) MCP Server
Mastra AI provides unique advantages when paired with Correios (Brazil) through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Correios (Brazil) without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every Correios (Brazil) tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Correios (Brazil) + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Correios (Brazil) MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Correios (Brazil), process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Correios (Brazil) as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Correios (Brazil) on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Correios (Brazil) tools alongside other MCP servers
Correios (Brazil) MCP Tools for Mastra AI (8)
These 8 tools become available when you connect Correios (Brazil) to Mastra AI via MCP:
calculate_price_deadline
Calculate shipping price and delivery deadline
get_contract_status
Check the current status of your Correios contract
get_unit_info
Get details for a specific post office unit
list_contract_services
, associated with your account. List all postage services available in your contract
list_unit_types
List all types of Correios units
lookup_cep
Get address information from a Brazilian ZIP code (CEP)
search_units_by_cep
Search for nearby post office units
track_object
Track a package status using its tracking code
Example Prompts for Correios (Brazil) in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Correios (Brazil) immediately.
"Track Correios object 'QI123456789BR' and show its latest status."
"Calculate shipping for a 2kg box from CEP 01310-100 to 20040-002."
"Find the address details for CEP '01310-914'."
Troubleshooting Correios (Brazil) MCP Server with Mastra AI
Common issues when connecting Correios (Brazil) to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpCorreios (Brazil) + Mastra AI FAQ
Common questions about integrating Correios (Brazil) MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
Connect Correios (Brazil) with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
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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 Correios (Brazil) to Mastra AI
Get your token, paste the configuration, and start using 8 tools in under 2 minutes. No API key management needed.