check_llc_name
Check a proposed business name against a state's live registry. REAL results for Wyoming and Delaware only; Florida returns a Sunbiz search link; all other states return unsupported. A verdict is an indication, never a reservation — always show the returned note and verifyUrl.
This record as markdown: /tools/com-filingdesk-data/check-llc-name.md
What check_llc_name does on FilingDesk Data
AI agents call check_llc_name to retrieve information from FilingDesk Data 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 |
|---|---|---|---|
name | string | Yes | The proposed name, e.g. "Blue Harbor Holdings LLC". |
state | string | Yes | State code or name. Live checks: "WY", "DE". Link-only: "FL". |
entityType | string | — | Defaults to llc. |
Parameters from the server's own tool schema.
Why check_llc_name is rated Low
Even though check_llc_name only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs check_llc_name safely
PolicyLayer is an MCP gateway: it sits between your AI agents and FilingDesk Data, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For check_llc_name, this is the rule to start with:
check_llc_name 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 FilingDesk Data, apply this rule, and every check_llc_name call is checked against it from then on.
Questions about check_llc_name
Check a proposed business name against a state's live registry. REAL results for Wyoming and Delaware only; Florida returns a Sunbiz search link; all other states return unsupported. A verdict is an indication, never a reservation — always show the returned note and verifyUrl. It is categorised as a Read tool in the FilingDesk Data MCP Server, which means it retrieves data without modifying state.
check_llc_name accepts 3 parameters: name, state, entityType. Required: name, state. The full parameter table on this page comes from the server's own tool schema.
Register the FilingDesk Data MCP server in PolicyLayer and add a rule for check_llc_name: 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 FilingDesk Data. Nothing to install.
check_llc_name 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 check_llc_name 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 check_llc_name. 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.
check_llc_name is provided by the FilingDesk Data MCP server (https://filingdesk.com/api/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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