AI agents call get_levels to retrieve information from Threat Zone 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 reference data (threat level definitions/enumerations) from the Threat.Zone API, which is a read-only query with no side effects. It does not execute analysis, modify data, or trigger sandbox operations. The blast radius of misuse is minimal as it only exposes informational taxonomy data.
From the tool's definition Tool name 'get_levels' and description 'Get threat levels used in analysis results' indicate a query operation that retrieves metadata about threat classification levels without modifying data or triggering external operations.
Documented attack patterns abuse exactly the kind of access get_levels gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Threat Zone MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_levels:
{
"version": "1",
"default": "deny",
"tools": {
"get_levels": {}
}
}get_levels is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get threat levels used in analysis results. It is categorised as a Read tool in the Threat Zone MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Threat Zone MCP Server MCP server in PolicyLayer and add a rule for get_levels: 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 Threat Zone MCP Server. Nothing to install.
get_levels 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 get_levels 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 get_levels. 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.
get_levels is provided by the Threat Zone MCP Server MCP server (threat-zone/threatzonemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Threat Zone 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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31 Threat Zone MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.