List all plot nodes defined in a model.
AI agents call results_plots_list to retrieve information from Flex Sensor Agent without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or enumerates existing plot nodes from a COMSOL model without modifying, deleting, or executing any operations. It is a passive read-only query, making it Read category with low severity since listing metadata poses minimal risk even if misused by an AI agent.
From the tool's definition Tool name 'results_plots_list' and description 'List all plot nodes defined in a model' indicate a query/retrieval operation with no side effects.
Attacks that exploit this kind of access
List all plot nodes defined in a model. It is categorised as a Read tool in the Flex Sensor Agent MCP Server, which means it retrieves data without modifying state.
Register the Flex Sensor Agent MCP server in PolicyLayer and add a rule for results_plots_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 Flex Sensor Agent. Nothing to install.
results_plots_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_plots_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_plots_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_plots_list is provided by the Flex Sensor Agent MCP server (tonghui666/flex-sensor-agent-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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