获取运动的心率区间分布
AI agents call get_activity_hr_zones to retrieve information from Garmin Connect China 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 historical health metrics (heart rate zone data) from a user's Garmin fitness account with no ability to modify, delete, or execute operations. It is a pure data query with no side effects, placing it firmly in the Read category with low severity.
From the tool's definition Tool name 'get_activity_hr_zones' and description '获取运动的心率区间分布' (retrieve activity heart rate zone distribution) indicates a retrieval operation.
Attacks that exploit this kind of access
获取运动的心率区间分布. It is categorised as a Read tool in the Garmin Connect China MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Garmin Connect China MCP Server MCP server in PolicyLayer and add a rule for get_activity_hr_zones: 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 Connect China MCP Server. Nothing to install.
get_activity_hr_zones 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_activity_hr_zones 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_activity_hr_zones. 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_activity_hr_zones is provided by the Garmin Connect China MCP Server MCP server (xinyuxinyuxintaihaohao/garmin-cn-mcp). 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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