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 Google ADK 5 tools — connect in under 2 minutes

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

google.github.io/adk-docs/tools/mcp-tools

Built by Vinkius GDPR 5 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add IBGE Economia — CNAE Activities as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.

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Vinkius supports streamable HTTP and SSE.

python

from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
    StreamableHTTPConnectionParams,
)

# Your Vinkius token. get it at cloud.vinkius.com
mcp_tools = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
    )
)

agent = Agent(
    model="gemini-2.5-pro",
    name="ibge_economia_cnae_activities_agent",
    instruction=(
        "You help users interact with IBGE Economia — CNAE Activities "
        "using 5 available tools."
    ),
    tools=[mcp_tools],
)

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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.

Google ADK natively supports IBGE Economia — CNAE Activities as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 5 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.

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 Google ADK 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 Google ADK via MCP

Follow these steps to integrate the IBGE Economia — CNAE Activities MCP Server with Google ADK.

Install Google ADK

Run pip install google-adk

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Create the agent

Save the code above and integrate into your ADK workflow

Explore tools

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

Why Use Google ADK with the IBGE Economia — CNAE Activities MCP Server

Google ADK provides unique advantages when paired with IBGE Economia — CNAE Activities through the Model Context Protocol.

Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution

Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with IBGE Economia — CNAE Activities

Production-ready features like session management, evaluation, and deployment come built-in. not bolted on

Seamless integration with Google Cloud services means you can combine IBGE Economia — CNAE Activities tools with BigQuery, Vertex AI, and Cloud Functions

IBGE Economia — CNAE Activities + Google ADK Use Cases

Practical scenarios where Google ADK combined with the IBGE Economia — CNAE Activities MCP Server delivers measurable value.

Enterprise data agents: ADK agents query IBGE Economia — CNAE Activities and cross-reference results with internal databases for comprehensive analysis

Multi-modal workflows: combine IBGE Economia — CNAE Activities tool responses with Gemini's vision and language capabilities in a single agent

Automated compliance checks: schedule ADK agents to query IBGE Economia — CNAE Activities regularly and flag policy violations or configuration drift

Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including IBGE Economia — CNAE Activities

IBGE Economia — CNAE Activities MCP Tools for Google ADK (5)

These 5 tools become available when you connect IBGE Economia — CNAE Activities to Google ADK 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 Google ADK

Ready-to-use prompts you can give your Google ADK 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 Google ADK

Common issues when connecting IBGE Economia — CNAE Activities to Google ADK through the Vinkius, and how to resolve them.

McpToolset not found

Update: pip install --upgrade google-adk

IBGE Economia — CNAE Activities + Google ADK FAQ

Common questions about integrating IBGE Economia — CNAE Activities MCP Server with Google ADK.

How does Google ADK connect to MCP servers?

Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.

Can ADK agents use multiple MCP servers?

Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.

Which Gemini models work best with MCP tools?

Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.