Get stress levels throughout the day.
AI agents call get_stress_data to retrieve information from Mcp Garmin without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read-only query operation that retrieves personal health/stress data from Garmin Connect without any side effects or capability to modify data. Misuse would primarily expose personal health information rather than cause operational damage or financial harm.
From the tool's definition Tool description states 'Get stress levels throughout the day' and server description explicitly provides 'read-only access to daily health metrics'. No modification, deletion, or execution capability indicated.
Attacks that exploit this kind of access
Get stress levels throughout the day. It is categorised as a Read tool in the Mcp Garmin MCP Server, which means it retrieves data without modifying state.
Register the Mcp Garmin MCP server in PolicyLayer and add a rule for get_stress_data: 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 Mcp Garmin. Nothing to install.
get_stress_data 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_stress_data 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_stress_data. 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_stress_data is provided by the Mcp Garmin MCP server (obrien-matthew/mcp-garmin). 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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