get_all_device_readings
AI agents call get_all_device_readings to retrieve information from AC Infinity MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves live sensor readings from AC Infinity controllers—a read-only operation with no side effects. The empty description slightly reduces confidence, but the name and server context clearly indicate data retrieval. Misuse would expose environmental sensor data (temperature, humidity, etc.) with minimal blast radius.
From the tool's definition Tool name 'get_all_device_readings' indicates retrieval of sensor data with no modification. Server description states 'read live sensor data' as a primary function.
Attacks that exploit this kind of access
get_all_device_readings. It is categorised as a Read tool in the AC Infinity MCP MCP Server, which means it retrieves data without modifying state.
Register the AC Infinity MCP server in PolicyLayer and add a rule for get_all_device_readings: 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 AC Infinity MCP. Nothing to install.
get_all_device_readings 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_all_device_readings 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_all_device_readings. 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_all_device_readings is provided by the AC Infinity MCP server (ober37/ac-infinity-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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