Get split data (per km/mile) for a running activity.
AI agents call get_activity_splits to retrieve information from Garmin Connect MCP 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 split performance data for a running activity. It performs no mutations, deletions, or external operations—only data lookup. The blast radius of misuse is minimal; an AI agent could at worst retrieve detailed activity splits across multiple workouts, which poses a privacy concern but no destructive or financial risk.
From the tool's definition Tool name 'get_activity_splits' and description 'Get split data (per km/mile) for a running activity' indicate retrieval of existing activity metrics without modification or side effects. The 'get_' prefix and verb 'Get' are standard Read operation patterns.
Attacks that exploit this kind of access
Get split data (per km/mile) for a running activity. It is categorised as a Read tool in the Garmin Connect MCP MCP Server, which means it retrieves data without modifying state.
Register the Garmin Connect MCP server in PolicyLayer and add a rule for get_activity_splits: 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 MCP. Nothing to install.
get_activity_splits 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_splits 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_splits. 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_splits is provided by the Garmin Connect MCP server (leewnsdud/garmin-connect-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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