fmcsa_carrier_authority
Check if a trucking company is legally authorized to operate and has valid insurance. Returns operating authority status (common, contract, broker - active/inactive/revoked), BIPD insurance, cargo insurance, bond/surety status, and whether they're allowed to haul freight. Use this for questions l...
This record as markdown: /tools/io-github-blackboxfoundry-livedatalink/fmcsa-carrier-authority.md
What fmcsa_carrier_authority does on Livedatalink
AI agents call fmcsa_carrier_authority to retrieve information from Livedatalink without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
dot_number | integer | Yes |
Parameters from the server's own tool schema.
Why fmcsa_carrier_authority is rated Low
This tool queries regulatory databases (FMCSA) and returns compliance/credential information about trucking carriers. It performs lookups and status checks with no side effects—no data is created, modified, deleted, or any external operations triggered. This is purely informational retrieval, equivalent to a search or fetch operation.
From the tool's definition Tool description states it 'Check[s] if a trucking company is legally authorized' and 'Returns operating authority status... insurance... bond/surety status.' Keywords: 'check', 'verify', 'returns' — all retrieval operations.
Attacks that exploit this kind of access
The rule that runs fmcsa_carrier_authority safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Livedatalink, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For fmcsa_carrier_authority, this is the rule to start with:
fmcsa_carrier_authority is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Livedatalink, apply this rule, and every fmcsa_carrier_authority call is checked against it from then on.
Questions about fmcsa_carrier_authority
Check if a trucking company is legally authorized to operate and has valid insurance. Returns operating authority status (common, contract, broker - active/inactive/revoked), BIPD insurance, cargo insurance, bond/surety status, and whether they're allowed to haul freight. Use this for questions like 'can this carrier legally operate?', 'do they have insurance?', 'is this broker licensed?', 'verify carrier authority', 'check trucking company credentials', 'is this freight company legit?', or any carrier compliance check. It is categorised as a Read tool in the Livedatalink MCP Server, which means it retrieves data without modifying state.
fmcsa_carrier_authority accepts 1 parameter: dot_number. Required: dot_number. The full parameter table on this page comes from the server's own tool schema.
Register the Livedatalink MCP server in PolicyLayer and add a rule for fmcsa_carrier_authority: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Livedatalink. Nothing to install.
fmcsa_carrier_authority is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the fmcsa_carrier_authority rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for fmcsa_carrier_authority. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
fmcsa_carrier_authority is provided by the Livedatalink MCP server (https://livedatalink.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Livedatalink, and thousands of servers like it.
This server
Across the catalogue