AI agents call get_risky_users to retrieve information from Rapid7 without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves user risk scores and behavioral analysis data from InsightIDR—a read-only query operation. It has no side effects, does not execute external operations, and does not modify or delete data. The blast radius of misuse is limited to information disclosure of risk assessment metadata.
From the tool's definition Tool name 'get_risky_users' and description 'Get users with abnormal behavior scores from InsightIDR' indicate a retrieval operation that queries existing behavioral analytics data without modifying, executing code, or destroying anything.
Attacks that exploit this kind of access
Get users with abnormal behavior scores from InsightIDR. It is categorised as a Read tool in the Rapid7 MCP Server, which means it retrieves data without modifying state.
Register the Rapid7 MCP server in PolicyLayer and add a rule for get_risky_users: 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 Rapid7. Nothing to install.
get_risky_users 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_risky_users 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_risky_users. 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_risky_users is provided by the Rapid7 MCP server (solomonneas/rapid7-mcp). 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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