Get sleep summary with only essential metrics (lightweight version) This endpoint returns a compact summary of sleep data (~350 bytes) instead of the full granular data (~50KB). Ideal for daily health checkups and LLM integrations where the full time-series data would overwhelm the context window...
AI agents call get_sleep_summary 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 and queries personal sleep health data from Garmin Connect without creating, modifying, deleting, or executing operations. It is a straightforward read operation that fetches summary metrics. The low severity reflects minimal blast radius—an agent accessing this data cannot cause harm beyond potential privacy concerns around data exposure.
From the tool's definition Tool description explicitly states it 'returns a compact summary of sleep data' and 'Get sleep summary' — a retrieval operation with no modification or side effects. The function accepts only a date parameter for querying.
Documented attack patterns abuse exactly the kind of access get_sleep_summary gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Garmin MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_sleep_summary:
{
"version": "1",
"default": "deny",
"tools": {
"get_sleep_summary": {}
}
}get_sleep_summary is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get sleep summary with only essential metrics (lightweight version) This endpoint returns a compact summary of sleep data (~350 bytes) instead of the full granular data (~50KB). Ideal for daily health checkups and LLM integrations where the full time-series data would overwhelm the context window. Args: date: Date in YYYY-MM-DD format. 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_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 Garmin 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 Garmin MCP Server MCP server (taxuspt/garmin_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 126 Garmin MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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126 Garmin MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.