Get a list of all rooms in a location.
AI agents call list_rooms to retrieve information from SmartThingsMCP 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 data about rooms without modifying, deleting, or executing any actions. It is a straightforward read operation with minimal security risk even if misused by an AI agent.
From the tool's definition Tool name is 'list_rooms' and description states 'Get a list of all rooms in a location' — both indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Get a list of all rooms in a location. It is categorised as a Read tool in the SmartThingsMCP MCP Server, which means it retrieves data without modifying state.
Register the SmartThings MCP server in PolicyLayer and add a rule for list_rooms: 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 SmartThingsMCP. Nothing to install.
list_rooms 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_rooms 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_rooms. 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_rooms is provided by the SmartThings MCP server (technohead/smartthings-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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