• PAYROLL
  • DATA
  • RECORDS
  • HUMAN

How to calculate proportional 13th salary with your AI

Connect this MCP to your AI client to handle payroll math. Once connected, your agent handles the proportional calculations for you.

Ask AI about this page

Short answer

How do I calculate a proportional 13th salary?

Give your AI the employee's gross monthly salary and the number of months they worked during the year. The AI uses the calculate_proportional_gross tool to return the exact gross amount owed. You'll get a precise figure ready for payroll.

The results you get

Calculated payroll data

Your AI handles the math and delivers these specific outcomes.

PAYROLL

Precise gross amounts

The AI calculates the exact proportional 13th salary owed. You get a single gross figure based on months worked.

DATA

Input verification

Your agent checks that the salary and month counts are valid before running the math. This prevents calculation errors.

RECORDS

Payroll readiness

The resulting amounts are ready to be moved into your accounting software or spreadsheets. You get clean data for your records.

HUMAN

Final review

The AI provides the math, but you must verify the final amount against your local labor laws. You remain the final decision maker.

The workflow

What your AI does when the request arrives.

The AI takes your raw payroll data and runs it through the specific calculation logic.

  1. Data ingestion

    Your agent reads the employee's monthly salary and the number of months they were active in the company.

    calculate_proportional_gross

  2. Proportional math

    The AI applies the proportional logic to the monthly salary to find the 13th salary portion.

    calculate_proportional_gross

  3. Gross amount output

    The tool generates the final gross amount owed for that specific period.

    calculate_proportional_gross

  4. Verification

    Your agent presents the final number to you for a quick sanity check before you use it.

    calculate_proportional_gross

Try it

Copy these to start.

Use these prompts to trigger the calculation immediately.

Starting points

Swap out the bracketed details with your actual employee data.

Thirteenth Salary Calculator Connector

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

Connector linkhttps://edge.vinkius.com/vk_preview_xhkO7UhZXMwn1GNwAbQL7f4Jxy454JvInEqeKnV3/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 — Thirteenth Salary Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "thirteenth-salary-calculator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_xhkO7UhZXMwn1GNwAbQL7f4Jxy454JvInEqeKnV3/mcp"
    }
  }
}
Copy into chat04

  • Calculate the proportional 13th salary for an employee earning 4500 per month who worked 7 months.

  • Using the Thirteenth Salary Calculator, find the gross amount for a staff member with a 3200 salary and 4 months of service.

  • I have a new hire with a 5000 monthly salary who started in July. Calculate their proportional 13th salary.

  • Run a calculation for an employee with 12 months of service and a 2800 monthly gross salary.

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

Start here

Connect Thirteenth Salary Calculator once, then ask.

Click the link to connect the MCP to your AI client. Your credentials stay encrypted, and you can start asking for calculations right away.

Connect Thirteenth Salary Calculator to your AI

FAQ

How this task behaves

  • 01

    Can the AI calculate net salary after taxes?

    No. This tool only calculates the proportional gross amount.

  • 02

    Does the AI change my payroll records automatically?

    No. The AI only provides the calculated amount; you must manually enter it into your systems.

  • 03

    Can I use this for employees who worked part-time?

    Yes, as long as you provide the monthly gross salary and the total months worked.

  • 04

    Will the AI handle different regional tax laws?

    No. The AI performs the proportional math based on the gross salary you provide.

  • 05

    Can the AI calculate the 13th salary for a full year?

    Yes. Just specify 12 months as the period worked.

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

Connect Thirteenth Salary Calculator to Claude, Cursor, ChatGPT & more