AI agents call GetV1AvailableNaics to retrieve information from BlindPay MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves a reference list of NAICS codes, a read-only operation with no side effects, no financial impact, and minimal risk if accessed by an AI agent. The data is public reference information used for classification purposes.
From the tool's definition Tool name 'GetV1AvailableNaics' and description 'NAICS list' indicate retrieval of data. The GET prefix and 'list' keyword confirm this is a read operation that retrieves available NAICS (North American Industry Classification System) codes without modifying…
Documented attack patterns abuse exactly the kind of access GetV1AvailableNaics gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and BlindPay MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for GetV1AvailableNaics:
{
"version": "1",
"default": "deny",
"tools": {
"GetV1AvailableNaics": {}
}
}GetV1AvailableNaics is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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NAICS list. It is categorised as a Read tool in the BlindPay MCP Server MCP Server, which means it retrieves data without modifying state.
Register the BlindPay MCP Server MCP server in PolicyLayer and add a rule for GetV1AvailableNaics: 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 BlindPay MCP Server. Nothing to install.
GetV1AvailableNaics 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 GetV1AvailableNaics 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 GetV1AvailableNaics. 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.
GetV1AvailableNaics is provided by the BlindPay MCP Server MCP server (blindpaylabs/blindpay-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from BlindPay MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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81 BlindPay MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.