CarrierTrail is answering right now. Last checked 4 min ago. It exposes 3 tools.
US carrier lookup from public FMCSA data: USDOT/MC records, authority, insurance, safety.
Nothing serious here today
Today is the operative word: we check CarrierTrail every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.
claude mcp add mcp --transport http https://carriertrail.com/mcp/v1https://carriertrail.com/mcp/v1[mcp_servers.mcp]
url = "https://carriertrail.com/mcp/v1"{
"mcpServers": {
"mcp": {
"url": "https://carriertrail.com/mcp/v1"
}
}
}{
"servers": {
"mcp": {
"type": "http",
"url": "https://carriertrail.com/mcp/v1"
}
}
}This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.
This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.
Available tools 3
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
get_carrier
search_carriers
get_recent_changes
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://carriertrail.com/mcp/v1 | streamable-http | answering | 766 ms | 51 min ago |
| https://carriertrail.com/mcp/account | streamable-http | sign-in | 404 ms | 4 min ago |
Alternatives to CarrierTrail
same job, measured the same wayCheck a US motor carrier's FMCSA authority, insurance and safety record: a dated GO/CAUTION/STOP.
Freight carrier intel: new FMCSA authority feed, carrier lookup by DOT/MC, safety screen (CSA/SMS).
US carrier vetting on FMCSA data: authority, insurance, safety, identity links. Pay per call (x402)
Vet US trucking carriers by USDOT/MC: authority, insurance, OOS, PASS/REVIEW/FAIL/INCOMPLETE.
Check U.S. trucking carriers and freight brokers in FMCSA records: authority, insurance, notices.
FMCSA carrier vetting API + MCP: authority, insurance, OOS. Keys $19/mo; 50 free calls/day.
FMCSA MCP — US motor-carrier (trucking/bus) registry & safety.
Local-first public-data MCP server that writes inspectable records and working files.
CarrierTrail — questions
Answers built from our own checks of this server.