Get sleep summary data (duration, deep sleep, REM, wake up count, breathing disturbances, apnea, etc.)
AI agents call get_sleep_summary 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 only queries and retrieves historical sleep analysis data from the Withings Health API. It performs no modifications, deletions, executions, or financial operations. While sleep data is health-sensitive personal information, the tool itself is purely informational with no capability to alter, delete, or trigger actions.
From the tool's definition Tool name is 'get_sleep_summary' and description states it retrieves sleep summary data (duration, deep sleep, REM, wake up count, breathing disturbances, apnea).
Attacks that exploit this kind of access
Get sleep summary data (duration, deep sleep, REM, wake up count, breathing disturbances, apnea, 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_sleep_summary: 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_sleep_summary 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_sleep_summary 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_sleep_summary. 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_sleep_summary 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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