BrasilAPI MCP Server for Vercel AI SDK 6 tools — connect in under 2 minutes
The Vercel AI SDK is the TypeScript toolkit for building AI-powered applications. Connect BrasilAPI through Vinkius and every tool is available as a typed function. ready for React Server Components, API routes, or any Node.js backend.
ASK AI ABOUT THIS MCP SERVER
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 BrasilAPI, 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 BrasilAPI MCP Server
Empower your AI agent to orchestrate your entire Brazilian institutional research workflow with BrasilAPI, the modern interface for Brazilian public data. By connecting BrasilAPI to your agent, you transform complex national lookups into a natural conversation. Your agent can instantly geolocate addresses via CEP, audit company profiles using CNPJ, and retrieve banking information without you ever touching a government portal. Whether you are conducting KYC checks or managing national logistics, your agent acts as a real-time institutional analyst, ensuring your Brazilian data is always verified and up-to-date.
The Vercel AI SDK gives every BrasilAPI tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 6 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
- CEP Auditing — Retrieve high-resolution address details for any Brazilian zip code (CEP) and identify neighborhoods and cities instantly.
- Corporate Oversight — Audit Brazilian companies using CNPJ to retrieve detailed registration metadata, including tax status and economic activity.
- Banking Intelligence — List all banks operating in Brazil and retrieve official codes and clearing metadata.
- Asset Monitoring — Query vehicle prices from the FIPE table to understand current market valuations in Brazil.
- National Monitoring — List national holidays and retrieve state (UF) metadata from IBGE to coordinate regional operations.
The BrasilAPI MCP Server exposes 6 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 BrasilAPI to Vercel AI SDK via MCP
Follow these steps to integrate the BrasilAPI 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 6 tools from BrasilAPI and passes them to the LLM
Why Use Vercel AI SDK with the BrasilAPI MCP Server
Vercel AI SDK provides unique advantages when paired with BrasilAPI 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 BrasilAPI integration everywhere
Built-in streaming UI primitives let you display BrasilAPI 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
BrasilAPI + Vercel AI SDK Use Cases
Practical scenarios where Vercel AI SDK combined with the BrasilAPI MCP Server delivers measurable value.
AI-powered web apps: build dashboards that query BrasilAPI in real-time and stream results to the UI with zero loading states
API backends: create serverless endpoints that orchestrate BrasilAPI tools and return structured JSON responses to any frontend
Chatbots with tool use: embed BrasilAPI capabilities into conversational interfaces with streaming responses and tool call visibility
Internal tools: build admin panels where team members interact with BrasilAPI through natural language queries
BrasilAPI MCP Tools for Vercel AI SDK (6)
These 6 tools become available when you connect BrasilAPI to Vercel AI SDK via MCP:
get_brazilian_holidays
List national holidays in Brazil for a specific year
get_cep_details
Get address details for a Brazilian CEP
get_cnpj_details
Get company details for a Brazilian CNPJ
get_fipe_vehicle_price
Get vehicle price from FIPE table
list_brazilian_banks
List all banks operating in Brazil
list_brazilian_states
List all states (UFs) in Brazil via IBGE
Example Prompts for BrasilAPI in Vercel AI SDK
Ready-to-use prompts you can give your Vercel AI SDK agent to start working with BrasilAPI immediately.
"Get address details for CEP 01001000 using BrasilAPI."
"Show company details for CNPJ 19131243000197."
"List all banks in Brazil."
Troubleshooting BrasilAPI MCP Server with Vercel AI SDK
Common issues when connecting BrasilAPI to Vercel AI SDK through the Vinkius, and how to resolve them.
createMCPClient is not a function
npm install @ai-sdk/mcpBrasilAPI + Vercel AI SDK FAQ
Common questions about integrating BrasilAPI 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 BrasilAPI 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 BrasilAPI to Vercel AI SDK
Get your token, paste the configuration, and start using 6 tools in under 2 minutes. No API key management needed.