Get menstrual data for a specific date
AI agents call get_menstrual_data_for_date to retrieve information from Garmin MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves menstrual health data from Garmin Connect for a specified date. The verb 'get' and the absence of any mention of modification, deletion, or execution indicates a read-only operation. While menstrual data is sensitive personal health information, the read-only nature means the blast radius of misuse is limited to unauthorized data access rather than irreversible changes or financial harm.
From the tool's definition Tool description states 'Get menstrual data for a specific date' — a query operation that retrieves existing data without modification or side effects.
Attacks that exploit this kind of access
Get menstrual data for a specific date. It is categorised as a Read tool in the Garmin MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Garmin MCP Server MCP server in PolicyLayer and add a rule for get_menstrual_data_for_date: 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 Garmin MCP Server. Nothing to install.
get_menstrual_data_for_date 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_menstrual_data_for_date 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_menstrual_data_for_date. 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_menstrual_data_for_date is provided by the Garmin MCP Server MCP server (shubhaankar-sharma/garmin-mcp-railway). 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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