• STATUS
  • DATA
  • ACTION
  • HUMAN

How to check Fator R eligibility with your AI

Connect the Simples Nacional Calculator to your AI client. Once connected, your agent handles the math to determine your tax bracket.

Ask AI about this page

Short answer

Can my AI tell me if I qualify for Annex III?

Yes. Your AI uses the Simples Nacional Calculator to compare your payroll expenses against your gross revenue. It then tells you if your ratio meets the 28% threshold required for Annex III. You'll get a clear breakdown of the math used to reach that conclusion.

The outcomes

What you get from the calculation

The AI processes your financial data to produce these specific results.

STATUS

Eligibility verdict

The AI determines if your current payroll ratio places you in Annex III or Annex V. You get a definitive answer based on your numbers.

DATA

The math breakdown

Your agent shows the exact calculation of your payroll versus revenue. This lets you verify the logic behind the result.

ACTION

Adjustment strategy

If you don't qualify, the AI identifies how much more payroll you need to hit the target. This helps you plan your next move.

HUMAN

Tax filing prep

The AI provides the raw numbers you need for your accountant. You still handle the actual tax submission and legal filings.

The workflow

What your AI does when the data arrives.

The AI performs the heavy lifting by running your numbers through the specific tax logic required for Simples Nacional.

  1. Data ingestion

    Your agent reads your payroll and revenue figures from your provided documents or spreadsheets.

    evaluate_factor_r

  2. Ratio calculation

    The AI calculates the percentage of payroll relative to your gross revenue to find your current Fator R.

    evaluate_factor_r

  3. Annex comparison

    The agent compares your result against the 28% threshold to see which Annex applies to your business.

    evaluate_factor_r

  4. Gap analysis

    If you are below the threshold, the AI calculates the specific amount of payroll increase needed to qualify.

    evaluate_factor_r

Try it

Copy these to start.

Use these prompts to trigger the calculation immediately.

Starting points

Replace the bracketed info with your actual numbers or file names.

Simples Nacional Calculator Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_wh7Vc0yyMzCvjI1VHFexb9BswR51aQnhfszsWVkb/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Simples Nacional Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "simples-nacional-calculator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_wh7Vc0yyMzCvjI1VHFexb9BswR51aQnhfszsWVkb/mcp"
    }
  }
}
Copy into chat04

  • Check my Fator R eligibility using the data in my 'Payroll_2024.csv' file.

  • My gross revenue is 50000 and my payroll is 12000. Do I qualify for Annex III?

  • Based on my current revenue of 80000, how much payroll do I need to reach the 28% Fator R threshold?

  • Run the Fator R calculation for the revenue and payroll figures I just pasted.

  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Start here

Connect Simples Nacional Calculator once, then ask.

Just click the link to connect the MCP to your client. Your credentials stay encrypted, and you can start asking questions right away.

Connect Simples Nacional Calculator to your AI

FAQ

Common questions

  • 01

    Can the AI file my taxes for me?

    No. The AI only performs the calculations and provides the data. You must handle all tax filings through the official government portals.

  • 02

    Does the AI change my payroll records?

    No. The AI only reads the data you provide to perform the calculation. It cannot edit your spreadsheets or payroll software.

  • 03

    What data do I need to provide?

    You need to provide your gross revenue and your total payroll costs for the period you are checking.

  • 04

    Can it handle multiple months of data?

    Yes. If you provide a spreadsheet with monthly figures, your AI can run the calculation for each month individually.

  • 05

    Is the 28% threshold always the rule?

    The AI uses the standard 28% rule for Fator R to determine Annex III eligibility, but you should always verify specific local tax changes with a professional.

  • More questions about Simples Nacional Calculator? The Connector page answers them. See everything the Simples Nacional Calculator Connector can do

Connect Simples Nacional Calculator to Claude, Cursor, ChatGPT & more