Get current status of the HUUM sauna (temperature, heater state, etc.)
AI agents call get_sauna_status to retrieve information from Home Controller without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves and queries sauna status information (temperature, heater state). It has no side effects, does not modify device state, does not execute commands on the sauna, and does not delete data. It is a straightforward data retrieval operation consistent with other monitoring tools on the server (get_device_status, get_events, get_activity_log).
From the tool's definition Tool name 'get_sauna_status' and description 'Get current status of the HUUM sauna (temperature, heater state, etc.)' indicate a read-only query operation that retrieves current state data without modifying any device settings or executing actions.
Attacks that exploit this kind of access
Get current status of the HUUM sauna (temperature, heater state, etc.). It is categorised as a Read tool in the Home Controller MCP Server, which means it retrieves data without modifying state.
Register the Home Controller MCP server in PolicyLayer and add a rule for get_sauna_status: 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 Controller. Nothing to install.
get_sauna_status 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 get_sauna_status 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 get_sauna_status. 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.
get_sauna_status is provided by the Home Controller MCP server (winsthuang/home-controller). 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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