Get cardio load data for a date range. Returns training load metrics for each day in the specified period.
AI agents call get_cardio_load_range to retrieve information from Polar 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 training load metrics within a specified date range. It performs a read-only query operation on fitness data with no side effects—no data is created, modified, deleted, or executed. The action is informational only, consistent with the broader server's purpose of accessing and analyzing Polar fitness data.
From the tool's definition Tool name 'get_cardio_load_range' and description 'Get cardio load data for a date range. Returns training load metrics' indicate pure data retrieval with no modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Get cardio load data for a date range. Returns training load metrics for each day in the specified period. It is categorised as a Read tool in the Polar MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Polar MCP Server MCP server in PolicyLayer and add a rule for get_cardio_load_range: 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 Polar MCP Server. Nothing to install.
get_cardio_load_range 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_cardio_load_range 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_cardio_load_range. 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_cardio_load_range is provided by the Polar MCP Server MCP server (nelsonnew/polar-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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