Get body measurements (weight, fat mass, muscle mass, etc.)
AI agents call get_measurements to retrieve information from Withings 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 historical body measurement data from the Withings Health API. It performs a read-only query operation that returns existing data without creating, modifying, deleting, or executing any operations. The data returned is health metrics the user has already consented to share via OAuth2 authentication. There are no side effects, no data modification, and no external triggers.
From the tool's definition Tool name 'get_measurements' and description 'Get body measurements (weight, fat mass, muscle mass, etc.)' indicate a retrieval operation with no modification capability.
Attacks that exploit this kind of access
Get body measurements (weight, fat mass, muscle mass, etc.). It is categorised as a Read tool in the Withings MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Withings MCP Server MCP server in PolicyLayer and add a rule for get_measurements: 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 Withings MCP Server. Nothing to install.
get_measurements 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_measurements 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_measurements. 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_measurements is provided by the Withings MCP Server MCP server (schimmilab/withings-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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