# Refund Proration Calculator AI Agent Connect

> Refund Proration Calculator handles the math for proportional returns. It lets your AI agent determine exact monetary values by comparing unused units against the original purchase price. You can check eligibility, find unit costs, or run bulk summaries for multiple refund scenarios through a single connection.

## Overview
- **Category:** finance
- **Price:** Free
- **Endpoint:** https://edge.vinkius.com/vk_preview_guatjEB0j0tSB2fH9IbV9aUFcDufWsDIGk0fgmBx/ai-agent-connect
- **Tags:** refund, proration, finance, accounting, math

## Description

You can stop manually calculating partial refunds for unused services or products. This MCP gives your AI agent the specific math tools needed to handle proration logic accurately. Instead of guessing how much to return to a customer, your agent uses the ratio of unused units to total units purchased to find the exact dollar amount. 

It works by looking at the specific parameters of a transaction. You can use it to verify if a customer even qualifies for a refund based on their usage, or simply pull the cost of a single unit to settle a dispute. If you have a long list of returns to process, the MCP can aggregate those scenarios into a single summary. It's built to handle the heavy lifting of proportional math so your agent can focus on communicating with the user or managing the ledger.

## Tools

### bulk_refund_summary
This tool aggregates multiple refund scenarios into one view. It provides a total summary of potential refund amounts across various items.

### get_proration_refund
This tool calculates the specific refund amount for a set of usage parameters. It uses the ratio of unused units to determine the exact payout.

### get_unit_value
This tool finds the cost of a single unit. It's useful for breaking down large purchases into individual item prices.

### validate_proration_eligibility
This tool checks if a transaction is actually eligible for a proration-based refund. It prevents your agent from attempting to refund invalid requests.

## Prompt Examples

**Prompt:** 
```
Calculate a refund for a $100 purchase of 10 units where 3 units are unused.
```

**Response:** 
```
The refund amount is $30.00.
```

**Prompt:** 
```
Is a user eligible for a refund if they bought 5 units and have 0 units left?
```

**Response:** 
```
No, the user is not eligible because there are no unused units remaining.
```

**Prompt:** 
```
What is the unit value for a $500 purchase of 50 units?
```

**Response:** 
```
The cost per individual unit is $10.00.
```

## Capabilities

### Eligibility Verification
Your agent checks if a transaction meets the requirements for a proration refund.

### Unit Cost Analysis
The agent determines the price of a single unit from a bulk purchase.

### Exact Payout Calculation
The agent calculates the specific dollar amount to return based on unused inventory.

### Bulk Aggregation
The agent summarizes total refund potential across many different items at once.

## Use Cases

### Subscription Cancellations
Calculate exactly how much to credit a user when they cancel a service halfway through a billing cycle.

### Inventory Returns
Determine the refund value for customers returning a portion of a bulk order.

### Service Credit Adjustments
Use the agent to figure out the value of unused service units for client billing.

### Audit Preparation
Run bulk summaries to see the total impact of pending refund requests.

## Benefits

- Eliminates manual math errors in partial refund calculations.
- Automates the verification of refund eligibility.
- Provides instant unit pricing for complex transactions.
- Summarizes multiple refund scenarios in one step.

## How It Works

Connect your client to Vinkius and start sending math requests to your agent.

1. Connect your MCP-compatible client to Vinkius.
2. Ask your agent to check if a transaction is eligible for a refund.
3. Instruct the agent to calculate the specific refund amount using unused unit counts.
4. Request a bulk summary if you need to see total refund amounts for multiple items.

## Frequently Asked Questions

**How does this MCP calculate a refund?**
It calculates the amount by analyzing the ratio of unused units to the total units originally purchased.

**Can I use this with Claude or Cursor?**
Yes, you can connect this MCP to any MCP-compatible client like Claude, Cursor, or Windsurf.

**Does it handle bulk requests?**
Yes, the bulk_refund_summary tool allows your agent to aggregate refund potential across multiple items.

**Can the agent check if a refund is allowed?**
Yes, the validate_proration_eligibility tool lets your agent verify if a transaction qualifies for proration.

**Do I need to host this myself?**
No, Vinkius hosts and manages the MCP for you, so it is ready to use immediately after connection.

**How is the refund amount calculated?**
The refund is calculated by dividing the unused units by the total units purchased and multiplying that fraction by the original price. You can use `get_proration_refund` to perform this calculation.

**Can I check if a customer is eligible for a refund first?**
Yes, use the `validate_proration_eligibility` tool to verify if there are remaining units available for a proration-based refund.

**Can I process multiple refunds at once?**
Yes, the `bulk_refund_summary` tool allows you to provide a list of different scenarios to get an aggregated total refund amount.