# The Used Car Index (theusedcarindex.com)

Serves public NHTSA vehicle records, complaints, recalls and dealer listing changes through a JSON API and MCP server.

- Atlas card: https://inite.ai/en/atlas/theusedcarindex.com
- Site: https://theusedcarindex.com
- For: Developers and AI agent builders who need public vehicle recall, complaint and listing data through an API.
- Use 0/100 · alive 100/100

## Used for

- look up recalls and complaints for a model year
- track daily listing price and mileage changes
- compare up to five vehicles side by side

## Price

- from 9.99 USD/month, free plan (read 2026-10-25 on https://theusedcarindex.com/#pricing)

## For developers

- OpenAPI: https://theusedcarindex.com/openapi.json (16 paths)
- MCP server: com.theusedcarindex/feed (namespace; open on 2026-10-25, 4 tools)
- Read 2026-10-25

## MCP server, measured daily

Server: https://api.theusedcarindex.com/mcp, checked every day since 2026-10-25 (10 checks).

- Answered: 100% of daily checks
- Median first answer: 174 ms
- Sign-in: none
- Context its tool definitions take: about 1087 tokens (4 tools)
- Tool definitions: B, 83/100
- Failing "params_described": 4 of 4 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-25

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Source: INITE Atlas, https://inite.ai/en/atlas/theusedcarindex.com. JSON: https://inite.ai/api/atlas/theusedcarindex.com. MCP: https://inite.ai/api/mcp (atlas_lookup).