Query AWS Security Group rules and Network ACL rules by source, destination, port/service, protocol, or tags.
AI agents call query_rules to retrieve information from Network Security Control Reviews without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and analyzes existing security configurations through queries only. It has no side effects—it does not create, modify, delete, or execute operations. The blast radius of misuse is minimal; an attacker could only gain unauthorized visibility into network security configurations, which is a read-level information disclosure risk.
From the tool's definition Tool performs 'Query' operations on AWS Security Group and Network ACL rules without modifying, executing, or deleting resources. The description explicitly states it retrieves rules by filtering criteria (source, destination, port/service, protocol, tags).
Attacks that exploit this kind of access
Query AWS Security Group rules and Network ACL rules by source, destination, port/service, protocol, or tags. It is categorised as a Read tool in the Network Security Control Reviews MCP Server, which means it retrieves data without modifying state.
Register the Network Security Control Reviews MCP server in PolicyLayer and add a rule for query_rules: 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 Network Security Control Reviews. Nothing to install.
query_rules 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 query_rules 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 query_rules. 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.
query_rules is provided by the Network Security Control Reviews MCP server (joshdoesit/network-security-control-reviews-with-mcp-and-llms). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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