MCP server exposing 4 tools for fmcsa.
This URL is a JSON-RPC 2.0 endpoint over HTTP. Issue POST requests with a JSON-RPC body. Browsers and search crawlers land here on GET.
POST https://gateway.pipeworx.io/fmcsa/mcp
Content-Type: application/json
{"jsonrpc":"2.0","id":1,"method":"tools/list"}
fmcsa_carrier_lookup — Look up a US motor carrier (trucking/bus company) in the FMCSA census by USDOT number, MC/docket number, or company name. Keyless. Returns legal & DBA name, physical address, active/inactive status, interstate/intrastate operation, hazmat flag, fleet size (power units, trucks), driver counts, and cargo types carried. Set `by` to "dot", "mc", or "name" with the value in `value`. For carrier authority (broker status) use fmcsa_operating_authority; for safety scores use fmcsa_safety_snapshot.fmcsa_search_carriers — Search US motor carriers by company name (partial, case-insensitive) in the FMCSA census, ranked by fleet size. Keyless. Returns USDOT number, legal/DBA name, city/state, power units, drivers, and status. Optionally filter by 2-letter state. Use fmcsa_carrier_lookup for full detail on a returned USDOT number.fmcsa_operating_authority — Get a carrier's FMCSA operating authority by USDOT number: the MC docket number and the status of its common-carrier, contract-carrier, and broker authority (Active / Inactive / Pending / Revoked). Keyless. Answers "is this carrier authorized to operate / broker freight" — the legal authority to haul, complementing the census (fmcsa_carrier_lookup) and safety (fmcsa_safety_snapshot).fmcsa_safety_snapshot — Get the FMCSA safety profile for a carrier by USDOT number: safety rating, out-of-service status, driver/vehicle inspection & OOS rates, crash counts, and SMS BASIC categories (Unsafe Driving, HOS, Vehicle Maintenance, ...) with violation counts and percentiles. Requires an FMCSA webKey (free at mobile.fmcsa.dot.gov/QCDevsite/docs/apiAccess) — the gateway supplies a platform key, or pass your own via _apiKey.Code samples (curl / TypeScript / one-click client install), schemas, and the live playground are on the pack page:
https://pipeworx.io/packs/fmcsa/
Pipeworx is an open MCP gateway connecting AI agents to live data. pipeworx.io