Marketcheck

MarketCheck automotive data: search US/UK listings, predict prices, decode VINs, market history.

Documentation

Plug MarketCheck into Claude,ChatGPT, and any MCP agent.

Real-time automotive data (listings, pricing, VIN decode, sold history) exposed as native tools your AI can call. One API key, every major agent.

Works with Claude ChatGPT Gemini Cursor + any MCP-compatible agent

What you get

Native tools, not raw endpoints.

Examples

What you can ask, by role.

Tap any prompt to copy it, or open it directly in Claude. Each one maps to one or more MarketCheck MCP tools.

Segments

Dealer

For franchise & independent dealers. Competitive pricing, inventory intelligence, stocking guides.

[

Give it a try in MCP Playground

In-dashboard chat using your API key. No setup, runs against the live MCP.

](https://developers.marketcheck.com/mcp/playground)[

Try it out at AskAuto

Automotive Intelligence Portal

built by Marketcheck

](https://askauto.marketcheck.com/)

Available tools

6 tools, served by both paths.

Region:NA

ToolWhat it doesRegion
search_active_carsVehicle listings search across 40M+ active inventory with 100+ filters.NA
search_past_90_daysRecently sold or expired dealer listings from the last 90 days, with inferred sold counts, median prices, and days-to-sell aggregates.NA
predict_price_with_comparablesAI price prediction with the comparable listings used to derive it.NA
get_car_historyComplete listing history by VIN: price changes, ownership, days on market.NA
decode_vin_neovinFull VIN specs, options, packages, and trim data via NeoVIN.NA
get_server_infoServer metadata + the tool catalog itself (used by clients for introspection).Both

Also available in UK: search_uk_active_cars, search_uk_recent_cars.

Connect your agent

Two paths. Pick one.

Most people want the Custom Connector: paste a URL, sign in, and you're done. The local proxy is for IDE agents that read MCP config from a file.

1

On claude.ai, open your profile → Customize → Connectors → Add custom connector.

2

Fill in the dialog (no API key needed):

Name MarketCheck MCPs

https://developers.marketcheck.com/api/mcp

Click Add. Claude opens a MarketCheck sign-in window.

3

Sign in with your MarketCheck account, then on the consent screen tick the tools to allow and pick the API key to use. Click Allow.

You can change the allowed tools or revoke access later from API Keys, under AI Agents.

Open a new chat on claude.ai or in Claude Desktop and ask anything automotive. The tools appear automatically.

terminal · marketcheck-mcp

CLI mode

Run without an agent

For debugging, scripting, or piping tool calls into your own AI workflow.

MARKETCHECK_API_KEY=<YOUR_API_KEY> npx -y @marketcheck/mcp-client

Build with your coding assistant

Give your agent the docs. Free, no key.

The docs MCP server puts searchable MarketCheck documentation and an exact endpoint reference inside Claude Code, Cursor, VS Code, or Windsurf while it writes your integration. It reads public documentation only: no sign-in, no API key, nothing to configure. Pair it with the data MCP above when your agent also needs live data.

Claude Code

One command, then ask it anything about the API.

claude mcp add --transport http marketcheck-docs https://developers.marketcheck.com/api/docs-mcp

Cursor

Save as.cursor/mcp.json in your project (or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "marketcheck-docs": { "url": "https://developers.marketcheck.com/api/docs-mcp" }
  }
}

VS Code

Or add the same entry under "servers" in.vscode/mcp.json.

code --add-mcp '{"name":"marketcheck-docs","type":"http","url":"https://developers.marketcheck.com/api/docs-mcp"}'

Windsurf

Save in ~/.codeium/windsurf/mcp_config.json.

{
  "mcpServers": {
    "marketcheck-docs": { "serverUrl": "https://developers.marketcheck.com/api/docs-mcp" }
  }
}

What to ask your coding agent

See what you can build with it

AGENTS.md for your repo

Drop one file into your project root and your assistant knows our auth, pagination rules, rate-limit handling, and the key endpoints. Works with any agent that reads AGENTS.md or CLAUDE.md.

curl -O https://developers.marketcheck.com/AGENTS.md

OpenAPI 3.1 spec

Every endpoint with every parameter and a real example response. Point Cursor's @Docs at it, hand it to a codegen tool, or let your agent read it directly.

https://developers.marketcheck.com/openapi.json

FAQ

Common questions.

MCP · live on every tier

Bring your own agent.

MCP access is on every tier, Starter through Enterprise. Data fees apply per call; higher tiers pay less per call.