Apaga el ventilador (velocidad 0).
AI agents call apagar_ventilador to retrieve information from MCP Domotica Backend without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Even though apagar_ventilador only reads data, uncontrolled read access leaks sensitive information and racks up API costs — an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
Apaga el ventilador (velocidad 0). It is categorised as a Read tool in the MCP Domotica Backend MCP Server, which means it retrieves data without modifying state.
Register the MCP Domotica Backend MCP server in PolicyLayer and add a rule for apagar_ventilador: 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 Domotica Backend. Nothing to install.
apagar_ventilador 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 apagar_ventilador 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 apagar_ventilador. 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.
apagar_ventilador is provided by the MCP Domotica Backend MCP server (mcp-domotica/mcp-domotica-backend). 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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