Why do I need CNAE codes?

**CNAE is mandatory** for every business operating in Brazil. It determines your tax regime (Simples Nacional, Lucro Presumido), eligible activities for MEI registration, CNPJ registration, municipal licensing, and regulatory compliance.

IBGE Economia — CNAE Activities MCP Server for OpenAI Agents SDK 5 tools — connect in under 2 minutes

Name: IBGE Economia — CNAE Activities
Availability: InStock
Author: Vinkius

openai.github.io/openai-agents-python/mcp

Built by Vinkius GDPR 5 Tools SDK

The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect IBGE Economia — CNAE Activities through Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails. no manual schema definitions required.

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Vinkius supports streamable HTTP and SSE.

python

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerStreamableHttp

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MCPServerStreamableHttp(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as mcp_server:

        agent = Agent(
            name="IBGE Economia — CNAE Activities Assistant",
            instructions=(
                "You help users interact with IBGE Economia — CNAE Activities. "
                "You have access to 5 tools."
            ),
            mcp_servers=[mcp_server],
        )

        result = await Runner.run(
            agent, "List all available tools from IBGE Economia — CNAE Activities"
        )
        print(result.final_output)

asyncio.run(main())

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About IBGE Economia — CNAE Activities MCP Server

Give your AI agent mastery over the CNAE — Brazil's official classification of every economic activity, used for tax registration, business licensing, regulatory compliance, and market research.

The OpenAI Agents SDK auto-discovers all 5 tools from IBGE Economia — CNAE Activities through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries IBGE Economia — CNAE Activities, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

What you can do

21 Sections (A-U) — Top-level economic sectors: Agriculture, Mining, Manufacturing, IT, Finance, Health, etc.
87 Divisions — Drill into specific industries within each sector
285 Groups & 672 Classes — Granular business activity classification
1,332 Subclasses — The most specific activity code used on CNPJ (Brazilian business registration)

The IBGE Economia — CNAE Activities MCP Server exposes 5 tools through the Vinkius. Connect it to OpenAI Agents 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 IBGE Economia — CNAE Activities to OpenAI Agents SDK via MCP

Follow these steps to integrate the IBGE Economia — CNAE Activities MCP Server with OpenAI Agents SDK.

Install the SDK

Run pip install openai-agents in your Python environment

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com

Run the script

Save the code above and run it: python agent.py

Explore tools

The agent will automatically discover 5 tools from IBGE Economia — CNAE Activities

Why Use OpenAI Agents SDK with the IBGE Economia — CNAE Activities MCP Server

OpenAI Agents SDK provides unique advantages when paired with IBGE Economia — CNAE Activities through the Model Context Protocol.

Native MCP integration via `MCPServerSse`, pass the URL and the SDK auto-discovers all tools with full type safety

Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure

Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate

First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output

IBGE Economia — CNAE Activities + OpenAI Agents SDK Use Cases

Practical scenarios where OpenAI Agents SDK combined with the IBGE Economia — CNAE Activities MCP Server delivers measurable value.

Automated workflows: build agents that query IBGE Economia — CNAE Activities, process the data, and trigger follow-up actions autonomously

Multi-agent orchestration: create specialist agents. one queries IBGE Economia — CNAE Activities, another analyzes results, a third generates reports

Data enrichment pipelines: stream data through IBGE Economia — CNAE Activities tools and transform it with OpenAI models in a single async loop

Customer support bots: agents query IBGE Economia — CNAE Activities to resolve tickets, look up records, and update statuses without human intervention

IBGE Economia — CNAE Activities MCP Tools for OpenAI Agents SDK (5)

These 5 tools become available when you connect IBGE Economia — CNAE Activities to OpenAI Agents SDK via MCP:

get_subclasse_cnae

Get CNAE subclass details

list_classes_cnae

g., 62 for IT activities). List CNAE classes within a division

list_divisoes_cnae

g., A for Agriculture, C for Manufacturing). List CNAE divisions within a section

list_secoes_cnae

List all 21 CNAE economic sections (A-U)

list_subclasses_por_classe

g., 62015). List all subclasses within a CNAE class

Example Prompts for IBGE Economia — CNAE Activities in OpenAI Agents SDK

Ready-to-use prompts you can give your OpenAI Agents SDK agent to start working with IBGE Economia — CNAE Activities immediately.

"What CNAE code should I use for a software development company?"

"What economic sectors exist under section C (Manufacturing)?"

"What is CNAE subclass 4711-3/01?"

Troubleshooting IBGE Economia — CNAE Activities MCP Server with OpenAI Agents SDK

Common issues when connecting IBGE Economia — CNAE Activities to OpenAI Agents SDK through the Vinkius, and how to resolve them.

MCPServerStreamableHttp not found

Ensure you have the latest version: pip install --upgrade openai-agents

Agent not calling tools

Make sure your prompt explicitly references the task the tools can help with.

IBGE Economia — CNAE Activities + OpenAI Agents SDK FAQ

Common questions about integrating IBGE Economia — CNAE Activities MCP Server with OpenAI Agents SDK.

How does the OpenAI Agents SDK connect to MCP?

Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.