Get detailed sleep period data (multiple sleep sessions per day)
AI agents call get_sleep_detailed to retrieve information from Oura 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 sleep data from the Oura Ring API. It performs a read-only query operation that returns historical health metrics without creating, modifying, deleting, or executing any operations. The 'get_' prefix and retrieval-focused description confirm it is a Read category tool.
From the tool's definition Tool name is 'get_sleep_detailed' and description states 'Get detailed sleep period data'—both indicate data retrieval with no modification or side effects.
Attacks that exploit this kind of access
Get detailed sleep period data (multiple sleep sessions per day). It is categorised as a Read tool in the Oura MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Oura MCP Server MCP server in PolicyLayer and add a rule for get_sleep_detailed: 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 MCP Server. Nothing to install.
get_sleep_detailed 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_detailed 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_detailed. 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_detailed is provided by the Oura MCP Server MCP server (slashdevcorpse/oura-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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