Correios (Brazil) MCP Server for Vercel AI SDK 8 tools — connect in under 2 minutes
The Vercel AI SDK is the TypeScript toolkit for building AI-powered applications. Connect Correios (Brazil) through Vinkius and every tool is available as a typed function. ready for React Server Components, API routes, or any Node.js backend.
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Vinkius supports streamable HTTP and SSE.
import { createMCPClient } from "@ai-sdk/mcp";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";
async function main() {
const mcpClient = await createMCPClient({
transport: {
type: "http",
// Your Vinkius token. get it at cloud.vinkius.com
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
});
try {
const tools = await mcpClient.tools();
const { text } = await generateText({
model: openai("gpt-4o"),
tools,
prompt: "Using Correios (Brazil), list all available capabilities.",
});
console.log(text);
} finally {
await mcpClient.close();
}
}
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.
The Vercel AI SDK gives every Correios (Brazil) tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 8 tools through Vinkius and stream results progressively to React, Svelte, or Vue components. works on Edge Functions, Cloudflare Workers, and any Node.js runtime.
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 Vercel AI SDK 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 Vercel AI SDK via MCP
Follow these steps to integrate the Correios (Brazil) MCP Server with Vercel AI SDK.
Install dependencies
Run npm install @ai-sdk/mcp ai @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the script
Save to agent.ts and run with npx tsx agent.ts
Explore tools
The SDK discovers 8 tools from Correios (Brazil) and passes them to the LLM
Why Use Vercel AI SDK with the Correios (Brazil) MCP Server
Vercel AI SDK provides unique advantages when paired with Correios (Brazil) through the Model Context Protocol.
TypeScript-first: every MCP tool gets full type inference, IDE autocomplete, and compile-time error checking out of the box
Framework-agnostic core works with Next.js, Nuxt, SvelteKit, or any Node.js runtime. same Correios (Brazil) integration everywhere
Built-in streaming UI primitives let you display Correios (Brazil) tool results progressively in React, Svelte, or Vue components
Edge-compatible: the AI SDK runs on Vercel Edge Functions, Cloudflare Workers, and other edge runtimes for minimal latency
Correios (Brazil) + Vercel AI SDK Use Cases
Practical scenarios where Vercel AI SDK combined with the Correios (Brazil) MCP Server delivers measurable value.
AI-powered web apps: build dashboards that query Correios (Brazil) in real-time and stream results to the UI with zero loading states
API backends: create serverless endpoints that orchestrate Correios (Brazil) tools and return structured JSON responses to any frontend
Chatbots with tool use: embed Correios (Brazil) capabilities into conversational interfaces with streaming responses and tool call visibility
Internal tools: build admin panels where team members interact with Correios (Brazil) through natural language queries
Correios (Brazil) MCP Tools for Vercel AI SDK (8)
These 8 tools become available when you connect Correios (Brazil) to Vercel AI SDK 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 Vercel AI SDK
Ready-to-use prompts you can give your Vercel AI SDK 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 Vercel AI SDK
Common issues when connecting Correios (Brazil) to Vercel AI SDK through the Vinkius, and how to resolve them.
createMCPClient is not a function
npm install @ai-sdk/mcpCorreios (Brazil) + Vercel AI SDK FAQ
Common questions about integrating Correios (Brazil) MCP Server with Vercel AI SDK.
How does the Vercel AI SDK connect to MCP servers?
createMCPClient from @ai-sdk/mcp and pass the server URL. The SDK discovers all tools and provides typed TypeScript interfaces for each one.Can I use MCP tools in Edge Functions?
Does it support streaming tool results?
useChat and streamText that handle tool calls and display results progressively in the UI.Connect Correios (Brazil) with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
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GitHub Copilot in VS Code with Agent mode and MCP support.
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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 Correios (Brazil) to Vercel AI SDK
Get your token, paste the configuration, and start using 8 tools in under 2 minutes. No API key management needed.