Get lights belonging to the authenticated account. Token is read from LIFX_API_TOKEN environment variable.
AI agents call list_lights to retrieve information from LIFX 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 a list of lights associated with the user's LIFX account. It performs no modifications, deletions, or state changes—it only reads and returns data. The operation is non-destructive and has minimal blast radius if misused by an AI agent, as it only exposes information about existing lights in the account.
From the tool's definition Tool name 'list_lights' and description 'Get lights belonging to the authenticated account' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Get lights belonging to the authenticated account. Token is read from LIFX_API_TOKEN environment variable. It is categorised as a Read tool in the LIFX MCP Server MCP Server, which means it retrieves data without modifying state.
Register the LIFX MCP Server MCP server in PolicyLayer and add a rule for list_lights: 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 LIFX MCP Server. Nothing to install.
list_lights 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_lights 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_lights. 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_lights is provided by the LIFX MCP Server MCP server (lenvolk/mcp-lifx). 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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