Liste toutes les automatisations Home Assistant actives
AI agents call list_automations to retrieve information from Home Assistant MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns information about existing automations without creating, modifying, deleting, or executing any automations. It is purely informational, similar to a list or get operation. The low severity reflects minimal blast radius—an AI agent misusing this tool would only gain visibility into existing automations, not trigger unwanted actions or affect system state.
From the tool's definition Tool name 'list_automations' and description 'Liste toutes les automatisations Home Assistant actives' (List all active Home Assistant automations) indicate a retrieval operation with no modification or execution of actions.
Attacks that exploit this kind of access
Liste toutes les automatisations Home Assistant actives. It is categorised as a Read tool in the Home Assistant MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Home Assistant MCP Server MCP server in PolicyLayer and add a rule for list_automations: 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 Home Assistant MCP Server. Nothing to install.
list_automations 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 list_automations 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 list_automations. 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.
list_automations is provided by the Home Assistant MCP Server MCP server (jonathan97480/mcphomeassistant). 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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