results_list
AI agents call results_list to retrieve information from CyPerf 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 or lists test results from the CyPerf system without any indication of side effects, data modification, or destructive capability. The empty description reduces confidence slightly, but the naming pattern and context of a performance testing platform strongly suggest a simple listing/query operation. No blast radius from misuse beyond potential information disclosure.
From the tool's definition Tool name 'results_list' indicates retrieval/querying of test results with no modification capability. Sibling tools show clear patterns: destructive operations are named with 'delete' (agents_delete), write operations with 'set' or 'export' (agents_set_dpdk,…
Attacks that exploit this kind of access
results_list. It is categorised as a Read tool in the CyPerf MCP Server MCP Server, which means it retrieves data without modifying state.
Register the CyPerf MCP Server MCP server in PolicyLayer and add a rule for results_list: 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 CyPerf MCP Server. Nothing to install.
results_list 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 results_list 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 results_list. 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.
results_list is provided by the CyPerf MCP Server MCP server (keysight/cyperf-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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