Get body battery data with events
AI agents call get_body_battery to retrieve information from Garmin MCP Server for Poke without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves Garmin Connect body battery data (a health metric tracking feature) without any side effects. It performs a read-only query operation consistent with health data retrieval. No data is modified, created, deleted, or external operations triggered.
From the tool's definition Tool name 'get_body_battery' and description 'Get body battery data with events' indicate retrieval of existing health metrics data with no modification, creation, or deletion.
Attacks that exploit this kind of access
Get body battery data with events. It is categorised as a Read tool in the Garmin MCP Server for Poke MCP Server, which means it retrieves data without modifying state.
Register the Garmin MCP Server for Poke MCP server in PolicyLayer and add a rule for get_body_battery: 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 for Poke. Nothing to install.
get_body_battery 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_body_battery 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_body_battery. 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_body_battery is provided by the Garmin MCP Server for Poke MCP server (theol0403/garmin-mcp-poke). 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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