About This App
Score a batch of VINs against a dealer's sales profile. Each vehicle gets decoded and priced against market to determine fit. Helps dealers evaluate auction run lists and wholesale opportunities against their typical inventory mix.
Screenshots

MarketCheck API Endpoints Used
This app calls the following MarketCheck API endpoints under the hood:
Parameters
Pass these parameters when calling the score-dealer-fit tool or API endpoint:
| Parameter | Type | Required | Description |
|---|---|---|---|
dealer_id | string | Yes | Dealer ID |
vins | string | Yes | Comma-separated VINs |
zip | string | Yes | Dealer ZIP |
Derivative API Endpoint
This app is powered by a composite API endpoint that orchestrates multiple MarketCheck API calls:
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 score-dealer-fit tool.
3. Embed in Your Portal
<iframe src="https://apps.marketcheck.com/apps/dealer-inventory-fit-scorer/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:
The full repository contains 52 apps across 18 segments, plus full-stack chat demo implementations.