Get the most recent glucose/blood sugar reading for a user. Returns value, unit, timestamp, and source.
AI agents call get_latest_glucose to retrieve information from MCP Glucose Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical health data without creating, modifying, deleting, executing code, or moving money. It is a straightforward query operation that returns existing glucose readings. The low severity reflects minimal blast radius—misuse would at worst expose personal health information, but cannot alter medical data or trigger external actions.
From the tool's definition Tool name 'get_latest_glucose' and description 'Get the most recent glucose/blood sugar reading' indicate a retrieval operation with no modification capability. The returned data (value, unit, timestamp, source) are read-only outputs with no side effects.
Attacks that exploit this kind of access
Get the most recent glucose/blood sugar reading for a user. Returns value, unit, timestamp, and source. It is categorised as a Read tool in the MCP Glucose Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Glucose Server MCP server in PolicyLayer and add a rule for get_latest_glucose: 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 MCP Glucose Server. Nothing to install.
get_latest_glucose 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_latest_glucose 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_latest_glucose. 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_latest_glucose is provided by the MCP Glucose Server MCP server (lucas-1000/mcp-glucose). 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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