List all antenna designs created in this session.
AI agents call openems_list_designs to retrieve information from Mcp Openems without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries existing antenna design data without creating, modifying, deleting, or executing any operations. It is purely informational and presents no risk of unintended data changes, financial impact, or destructive actions.
From the tool's definition Tool name 'openems_list_designs' and description 'List all antenna designs created in this session' indicate a query/retrieval operation with no side effects.
Attacks that exploit this kind of access
List all antenna designs created in this session. It is categorised as a Read tool in the Mcp Openems MCP Server, which means it retrieves data without modifying state.
Register the Mcp Openems MCP server in PolicyLayer and add a rule for openems_list_designs: 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 Mcp Openems. Nothing to install.
openems_list_designs 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 openems_list_designs 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 openems_list_designs. 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.
openems_list_designs is provided by the Mcp Openems MCP server (rfingadam/mcp-openems). 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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