For AI agents: grade a used car's asking price vs live market comps.
Connect Remote server
claude mcp add --transport http dealscore https://cardealscore.com/api/mcp --header "x-api-key: <X_API_KEY>"
{
"mcpServers": {
"dealscore": {
"url": "https://cardealscore.com/api/mcp",
"headers": {
"x-api-key": "<X_API_KEY>"
}
}
}
}
{
"servers": {
"dealscore": {
"type": "http",
"url": "https://cardealscore.com/api/mcp",
"headers": {
"x-api-key": "<X_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://cardealscore.com/api/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 4 found in our last check
score_dealGrade a car deal: compare asking price to expected market value. ZIP is optional. Same inputs/outputs as POST /api/score.
explain_gradeExplain the score_v2 rubric grade for a delta_pct. Same as POST /api/explain.
healthService health, coverage, cache policy, and limitations. Same as GET /api/health.
check_quoteCheck a car dealer's quote. Returns a grade from A to F, the flagged fees and add-ons, and lines to send the dealer. Pass paste (the quote text), or selling_price and msrp. 3 free checks per UTC month. Same as POST /api/quote-check.
Headers
| Name | Description |
|---|---|
x-api-keyOptional, secret | Leave empty to use OAuth (browser sign-in). Set only if the client cannot run OAuth. |
Details
| Endpoint | https://cardealscore.com/api/mcp (Streamable HTTP) |
| First published | 7 Oct 2026 |
| Last updated | 7 Oct 2026 |
| Registry name | com.cardealscore/dealscore |
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