# CarrierScore

> FMCSA motor-carrier risk intelligence for freight brokers and AI booking agents: longitudinal risk scores (0-100, higher = riskier), continuous monitoring, and timestamped "Montgomery file" carrier-selection evidence reports, built from daily archives of public FMCSA/US DOT safety data (census, inspections, crashes, out-of-service orders, operating authority, insurance filings).

CarrierScore answers "how risky is this carrier, and what was knowable about it on a given date?" Use it when selecting, vetting, or monitoring US motor carriers (identified by USDOT number). Scores use a documented, transparent methodology (population percentiles + hard flags); they are statistical indicators, not safety fitness determinations, and are not FMCSA-endorsed.

## API (REST)

- Base URL: https://api.carrierscore.io
- Auth: `X-API-Key` header (paid tiers); keyless requests get a rate-limited free tier
- `GET /v1/carrier/{dot}` — carrier identity lookup
- `GET /v1/carrier/{dot}/score` — risk score with full component breakdown
- `GET /v1/carrier/{dot}/montgomery?format=text|json` — timestamped carrier-selection evidence report (free tier: text only)
- `POST /v1/monitor` — batch score summary for a carrier list (JSON array of DOT numbers, max 100)
- `GET /healthz` — service status

## MCP server (for AI agents)

- Endpoint: https://mcp.carrierscore.io/mcp (Model Context Protocol, Streamable HTTP)
- Tools: carrier_lookup, carrier_score, montgomery_file, monitor_carriers
- Optional env: CARRIERSCORE_API_KEY for paid-tier access

## Pricing

- Free: rate-limited lookups, scores, text evidence reports
- Monitor $99/mo: carrier-list monitoring, full evidence reports, API key
- Compliance $299/mo: unlimited evidence reports, higher API volume, audit archive
- Subscribe: https://carrierscore.io/#pricing

## Pages

- [Home](https://carrierscore.io/)
- [Terms of Service](https://carrierscore.io/terms.html)
- [Privacy Policy](https://carrierscore.io/privacy.html)

Contact: business@colesprout.com. Operated by SYMBOLIQ LLC.