CarAPI.dev

Editclaude_desktop_config.json(Settings → Developer → Edit config):

{ "mcpServers": { "carapi": { "url": "https://mcp.carapi.dev/mcp", "headers": { "Authorization": "Bearer YOUR_CARAPI_KEY" } } } }

claude mcp add --transport http carapi https://mcp.carapi.dev/mcp \ --header "Authorization: Bearer YOUR_CARAPI_KEY"

{ "mcpServers": { "carapi": { "url": "https://mcp.carapi.dev/mcp", "headers": { "Authorization": "Bearer YOUR_CARAPI_KEY" } } } }

Settings → Connectors → Add custom connector. Paste:

- URL:https://mcp.carapi.dev/mcp
- Auth header:Authorization: Bearer YOUR_CARAPI_KEY

"Run a buyer report on VIN 1HGBH41JXMN109186."

It callscarapi_buyer_report, which fans out to four endpoints in parallel and returns a unified pre-purchase summary (vehicle specs + stolen check + mileage history + inspection). 4 quota units.

- 401 / "Missing CarAPI key"— Auth header is missing or malformed. Use exactlyBearer YOUR_KEY.
- 429 / quota exceeded— You've hit your monthly quota. Upgrade in the dashboard.
- Tool not appearing— Restart the client after editing the config. Verify with the client's MCP debug log.

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