Name: Portfolio Risk Monitor
Author: MarketCheck

About This App

Portfolio-level collateral monitoring. Tracks value changes across your loan book, flags vehicles with rapid depreciation, identifies underwater loans, and segments risk by vehicle type, age, and region.

Screenshots

MarketCheck API Endpoints Used

This app calls the following MarketCheck API endpoints under the hood:

GET GET /v2/decode/car/neovin/{vin}/specs

VIN Decode

View API documentation ↗

GET GET /v2/predict/car/us/marketcheck_price/comparables

Price Prediction

View API documentation ↗

GET GET /api/v1/sold-vehicles/summary

Sold Vehicle Summary

View API documentation ↗

Parameters

Pass these parameters when calling the portfolio-risk-monitor tool or API endpoint:

Parameter	Type	Required	Description
`vins`	string	Yes	Comma-separated portfolio VINs
`zip`	string	Yes	Primary market ZIP

Derivative API Endpoint

This app is powered by a composite API endpoint that orchestrates multiple MarketCheck API calls:

POST https://apps.marketcheck.com/api/proxy/portfolio-risk-monitor

Test this endpoint with your API key. See full documentation.

How to Use

1. In the Browser (Demo or Live Data)

Click "Launch App" above. Enter your MarketCheck API key in the settings gear for live data, or explore with demo data.

2. As an MCP App (AI Assistants)

Add the MarketCheck MCP server to Claude, VS Code, or any MCP-compatible host:

{
  "mcpServers": {
    "marketcheck-apps": {
      "url": "https://apps.marketcheck.com/mcp?api_key=YOUR_KEY"
    }
  }
}

Then ask the AI to use the portfolio-risk-monitor tool.

3. Embed in Your Portal

<iframe
  src="https://apps.marketcheck.com/apps/portfolio-risk-monitor/dist/index.html?api_key=YOUR_KEY&embed=true"
  width="100%" height="700"
  style="border:none;border-radius:8px;"
></iframe>

4. Get a Free API Key

Sign up at developers.marketcheck.com to get a free API key and start testing.

Source Code

This app is open source and part of the MarketCheck API & MCP Apps monorepo:

View source on GitHub ↗

The full repository contains 52 apps across 18 segments, plus full-stack chat demo implementations.