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Mastra AI
Correios do Brazil MCP Server

Bring Postal Service
to Mastra AI

Learn how to connect Correios do Brazil to Mastra AI and start using 3 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.

MCP Inspector GDPR Free for Subscribers
Calculate PricesConsult CepEstimate Delivery Time

Compatible with every major AI agent and IDE

ClaudeClaude
ChatGPTChatGPT
CursorCursor
GeminiGemini
WindsurfWindsurf
VS CodeVS Code
JetBrainsJetBrains
VercelVercel
+ other MCP clients
Correios do Brazil

What is the Correios do Brazil MCP Server?

Connect your Correios account to any AI agent to automate logistics and shipping calculations directly within your workflow.

What you can do

  • Shipping Calculation — Calculate precise shipping costs based on origin, destination, weight, and package dimensions for services like SEDEX and PAC.
  • Delivery Estimates — Get the estimated number of working days for any delivery across Brazil.
  • Address Lookup (CEP) — Instantly retrieve full address details (street, neighborhood, city, state) from any Brazilian ZIP code.
  • Service Comparison — Compare different postal service codes to find the best shipping option for your needs.

How it works

  1. Subscribe to this server
  2. Enter your Correios Web Services (CWS) credentials
  3. Start querying logistics data from Claude, Cursor, or any MCP client

Who is this for?

  • E-commerce Owners — quickly estimate shipping costs for customers without leaving the chat.
  • Developers — verify address data and integrate logistics logic into applications via natural language.
  • Logistics Managers — track delivery windows and optimize shipping routes across Brazil.

Built-in capabilities (3)

calculate_prices

Calculate shipping cost for postal services

consult_cep

Consult address information for a ZIP code

estimate_delivery_time

Estimate delivery time between two ZIP codes

Why Mastra AI?

Mastra's agent abstraction provides a clean separation between LLM logic and Correios do Brazil tool infrastructure. Connect 3 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.

  • Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Correios do 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 do 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

M
See it in action

Correios do Brazil in Mastra AI

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Why Vinkius

Correios do Brazil and 4,000+ other MCP servers. One platform. One governance layer.

Teams that connect Correios do Brazil to Mastra AI through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.

4,000+MCP Servers ready
<40msCold start
60%Token savings
Raw MCP
Vinkius
Server catalogFind and host yourself4,000+ managed
InfrastructureSelf-hostedSandboxed V8 isolates
Credential handlingPlaintext in configVault + runtime injection
Data loss preventionNoneConfigurable DLP policies
Kill switchNoneGlobal instant shutdown
Financial circuit breakersNonePer-server limits + alerts
Audit trailNoneEd25519 signed logs
SIEM log streamingNoneSplunk, Datadog, Webhook
HoneytokensNoneCanary alerts on leak
Custom domainsNot applicableDNS challenge verified
GDPR complianceManual effortAutomated purge + export
Enterprise Security

Why teams choose Vinkius for Correios do Brazil in Mastra AI

The Correios do Brazil 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. All 3 tools execute in hardened sandboxes optimized for native MCP execution.

Your AI agents in Mastra AI only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

Correios do Brazil
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

The Vinkius Advantage

How Vinkius secures Correios do Brazil for Mastra AI

Every tool call from Mastra AI to the Correios do Brazil MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

01

How can I calculate the shipping price for a specific package?

Use the calculate_prices tool. You will need to provide the origin and destination ZIP codes, weight, dimensions, and the service code (e.g., 04014 for SEDEX).

02

Can I check the delivery deadline between two Brazilian cities?

Yes! The estimate_delivery_time tool allows you to input the service code and both ZIP codes to receive the estimated delivery time in working days.

03

Is it possible to find an address using only the ZIP code (CEP)?

Absolutely. Use the consult_cep tool with the 8-digit ZIP code to retrieve the street name, neighborhood, city, and state automatically.

04

How does Mastra AI connect to MCP servers?

Create an MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.

05

Can Mastra agents use tools from multiple servers?

Yes. Pass multiple MCP clients to the agent constructor. Mastra merges all tool schemas and the agent can call any tool from any server.

06

Does Mastra support workflow orchestration?

Yes. Mastra has a built-in workflow engine that lets you chain MCP tool calls with branching logic, error handling, and parallel execution.

07

createMCPClient not exported

Install: npm install @mastra/mcp

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