# EU Late Payment Interest Calculator MCP

> EU Late Payment Interest Calculator MCP. It handles the math for overdue B2B payments in the European Union. Instead of hunting down the latest ECB rates and trying to remember the 8% margin rule from the 2011/7/EU Directive, you just feed the invoice details to your agent. It spits out the interest, the fixed recovery fees, or the total cost. It is built for accuracy in a high-stakes regulatory environment.

## Overview
- **Category:** finance
- **Price:** Free
- **Tags:** eu-directive, late-payment, interest-calculation, b2b-payments, compliance

## Description

Managing B2B debt across different European borders is a constant headache because the math isn't always intuitive. You have to balance the specific ECB reference rates with the mandated 8% margin, all while keeping track of different debt tiers for administrative fees. This MCP takes those variables off your plate. When a client falls behind, you don't need to open a spreadsheet and manually calculate the daily accrual. You just tell your agent the invoice amount and the dates, and the work is done. It handles the heavy lifting of the Late Payment Directive so you can focus on actually getting paid. Whether you're sending out formal demands or just updating internal records, you get a precise figure every time. Because Vinkius hosts this in their catalog, you can plug it directly into your existing workflow without worrying about the underlying math. It turns a complex regulatory requirement into a simple request, ensuring you never undercharge for the cost of a late payment. It is built to be accurate so you don't have to worry about rounding errors or missing a fee tier. You get the right numbers for your invoices without the manual effort of looking up rates or cross-referencing tables.

## Tools

### calculate_accrued_interest
Calculates the interest on an unpaid invoice based on the EU Late Payment Directive.

### calculate_fixed_compensation
Determines the fixed administrative fee for an overdue payment based on the debt amount.

### get_total_overdue_cost
Adds the interest and fixed compensation together to show the total cost of a late payment.

## Prompt Examples

**Prompt:** 
```
How much interest has accumulated on an invoice of €500 that was due on 2024-01-01, calculated as of 2024-06-01?
```

**Response:** 
```
The interest accrued is €35.89, and the total days overdue is 152 days.
```

**Prompt:** 
```
What is the fixed compensation for a debt of €1500?
```

**Response:** 
```
The fixed administrative recovery fee for an invoice of €1500 is €100.
```

**Prompt:** 
```
Calculate the total cost for a €2000 invoice due on 2023-12-01, with calculation date 2024-03-01.
```

**Response:** 
```
The total financial burden is €175.42, consisting of €75.42 in interest and €100.00 in fixed compensation.
```

## Capabilities

### Calculate daily interest accrual
The MCP applies the current ECB rate and the 8% margin required by the 2011/7/EU Directive.

### Determine fixed recovery fees
It finds the correct administrative fee based on the specific debt tier.

### Sum total overdue costs
The agent combines interest and fixed fees into a single total amount.

### Standardize EU compliance math
It ensures all calculations follow the official Late Payment Directive rules.

### Automate debt tier calculations
It automatically identifies the correct fee based on the outstanding debt value.

## Use Cases

### Generating a late payment notice
An AR clerk has a €5,000 invoice that is 3 months late. They ask the agent to find the interest. The agent uses `calculate_accrued_interest` to give the exact amount.

### Sending a formal demand letter
A company needs to send a formal demand letter for a €2,000 debt. They ask for the total cost. The agent uses `get_total_overdue_cost` to combine interest and fees.

### Building a B2B payment gateway
A fintech startup is building a B2B payment gateway. They use `calculate_fixed_compensation` to automate the admin fees for their users.

### Auditing a debt portfolio
A legal team is auditing a portfolio of late payments. They ask for the total financial burden on a €10,000 debt, and the agent uses `get_total_overdue_cost`.

## Benefits

- Stop guessing at interest rates. Use `calculate_accrued_interest` to get the exact ECB rate plus margin every time. This ensures you are always charging what the law requires without having to look up the latest figures yourself.
- Ensure legal compliance. This MCP follows the 2011/7/EU Directive so your demand letters won't get kicked back for errors. It takes the guesswork out of regulatory requirements for B2B payments.
- Automate recovery fees. Use `calculate_fixed_compensation` to instantly find the right fee for any debt tier. You will never have to check a table to see if a debt is large enough for a higher fee again.
- Get a full picture of debt. `get_total_overdue_cost` gives you the total amount to invoice in one go. It combines interest and fees so you can send a single, clear request to your clients.
- Eliminate manual spreadsheets. You can stop copy-pasting dates and amounts into separate sheets for every late invoice. Your agent does the math, and you just review the final result.

## How It Works

The bottom line is you get legally-grounded payment figures without doing any manual math.

1. Provide the invoice amount, the due date, and the date you want to calculate for.
2. The MCP applies the current ECB rate and the 8% margin required by the 2011/7/EU Directive.
3. You get the exact interest, fixed compensation, or total cost.

## Frequently Asked Questions

**How does the EU Late Payment Interest Calculator handle interest rates?**
It uses the ECB reference rate plus the 8% margin required by the 2011/7/EU Directive.

**Can the EU Late Payment Interest Calculator find the fixed fee?**
Yes, it uses `calculate_fixed_compensation` to find the fee based on the debt amount.

**What is the total cost for a late payment with this MCP?**
You can use `get_total_overdue_cost` to get the sum of the interest and the fixed compensation.

**Does the EU Late Payment Interest Calculator work for all countries?**
It is specifically designed for the EU Late Payment Directive (2011/7/EU).

**Can I use the EU Late Payment Interest Calculator for small debts?**
Yes, it calculates fees based on the debt tiers defined in the directive.

**How do I connect the EU Late Payment Interest Calculator to my AI client?**
You connect it through the Vinkius dashboard. Once you've added the MCP to your account, your agent can use the tools whenever you ask about late payments.

**Does the EU Late Payment Interest Calculator store my financial data?**
No, it doesn't store any data. It performs the math on your inputs in real time and returns the result without saving your specific invoice details.

**What happens if I use calculate_accrued_interest with a missing due date?**
The tool will return an error message if a required field is missing. You'll need to provide a valid due date so the MCP can calculate the correct interest amount.