bp_get_average_readings
AI agents call bp_get_average_readings to retrieve information from Blood Pressure Tool without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and computes statistics on existing blood pressure readings without creating, modifying, or deleting any data. The blast radius of misuse is minimal—it can only expose health information already in the system. Though the tool description is empty, the name is unambiguous and the server context confirms its read-only nature.
From the tool's definition Tool name 'bp_get_average_readings' clearly indicates retrieval and aggregation of existing blood pressure data with no side effects.
Attacks that exploit this kind of access
bp_get_average_readings. It is categorised as a Read tool in the Blood Pressure Tool MCP Server, which means it retrieves data without modifying state.
Register the Blood Pressure Tool MCP server in PolicyLayer and add a rule for bp_get_average_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 Blood Pressure Tool. Nothing to install.
bp_get_average_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 bp_get_average_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 bp_get_average_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.
bp_get_average_readings is provided by the Blood Pressure Tool MCP server (mclarkson/bptool). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
bp_get_average_readings is one line of Blood Pressure Tool's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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