Customize your target glucose range for personalized time-in-range calculations. Standard range is 70-180 mg/dL, but your healthcare provider may recommend different targets.
AI agents use configure_ranges to create or update resources in LibreLink MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your LibreLink MCP Server environment.
This tool modifies user configuration data (glucose range settings) in a reversible manner. While it doesn't execute arbitrary code or delete data, changing glucose range targets could affect clinical calculations and alerts if misapplied by an AI agent (e.g., setting dangerously narrow ranges).
From the tool's definition Tool name 'configure_ranges' and description 'Customize your target glucose range' indicate modification of user settings/preferences for glucose monitoring thresholds.
Attacks that exploit this kind of access
Customize your target glucose range for personalized time-in-range calculations. Standard range is 70-180 mg/dL, but your healthcare provider may recommend different targets. It is categorised as a Write tool in the LibreLink MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the LibreLink MCP Server MCP server in PolicyLayer and add a rule for configure_ranges: 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 LibreLink MCP Server. Nothing to install.
configure_ranges is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the configure_ranges 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 configure_ranges. 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.
configure_ranges is provided by the LibreLink MCP Server MCP server (sedoglia/librelink-mcp-server). 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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