get-daily-sleep · Oura Ring MCP Server MCP: Risk & Policy

WHAT IT DOES

What get-daily-sleep does on Oura Ring MCP Server

AI agents call get-daily-sleep to retrieve information from Oura Ring MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get-daily-sleep needs a policy

This tool retrieves historical sleep metrics (total sleep time, sleep stages, efficiency, sleep score) from the Oura Ring device. It is purely informational with no capability to modify, delete, or execute actions.

From the tool's definition Tool name 'get-daily-sleep' and description 'Retrieve daily sleep data' indicate a data retrieval operation with no modification or side effects.

Attacks that exploit this kind of access

Questions about get-daily-sleep

What does the get-daily-sleep tool do? +

Retrieve daily sleep data including total sleep time, sleep stages, efficiency, and sleep score. It is categorised as a Read tool in the Oura Ring MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get-daily-sleep? +

Register the Oura Ring MCP Server MCP server in PolicyLayer and add a rule for get-daily-sleep: 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 Oura Ring MCP Server. Nothing to install.

What risk level is get-daily-sleep? +

get-daily-sleep is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get-daily-sleep? +

Yes. Add a rate_limit block to the get-daily-sleep 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.

How do I block get-daily-sleep completely? +

Set action: deny in the PolicyLayer policy for get-daily-sleep. 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.

What MCP server provides get-daily-sleep? +

get-daily-sleep is provided by the Oura Ring MCP Server MCP server (sauravpahadia/oura-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.