Get daily activity summary including steps, calories burned, active time, activity goal progress, and activity classification throughout the day.
AI agents call get_daily_activity 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 and queries personal fitness data from Polar's AccessLink API without creating, modifying, deleting, executing code, or initiating financial transactions. It is purely informational and read-only in nature. Low severity because misuse results only in unauthorized access to fitness data, not system compromise or irreversible changes.
From the tool's definition Tool name 'get_daily_activity' and description explicitly states it 'Get daily activity summary' - a retrieval operation with no modification or side effects. Returns fitness metrics like steps, calories, active time, and goal progress.
Attacks that exploit this kind of access
Get daily activity summary including steps, calories burned, active time, activity goal progress, and activity classification throughout the day. 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_daily_activity: 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_daily_activity 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_daily_activity 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_daily_activity. 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_daily_activity 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →