create_swimming_workout · Garmin MCP: Risk & Policy

WHAT IT DOES

What create_swimming_workout does on Garmin

AI agents use create_swimming_workout to create or update resources in Garmin — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Garmin environment.

WHY IT NEEDS A POLICY

Why create_swimming_workout needs a policy

The tool creates a new swimming workout resource in the Garmin Connect system, which is a reversible Write operation (workouts can be deleted or modified). It does not execute arbitrary code, delete data, or perform financial transactions.

From the tool's definition Tool name is 'create_swimming_workout' and server description states 'workout creation' and 'workout management'. Sibling tools include 'create_running_workout' and 'create_strength_workout', confirming this creates a new workout resource.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_swimming_workout Rate-limited

create_swimming_workout stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_swimming_workout": {
      "limits": [
        {
          "counter": "create_swimming_workout_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Garmin, so you can run agents against it safely.

FAQ

Questions about create_swimming_workout

What does the create_swimming_workout tool do? +

create_swimming_workout. It is categorised as a Write tool in the Garmin MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_swimming_workout? +

Register the Garmin MCP server in PolicyLayer and add a rule for create_swimming_workout: 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. Nothing to install.

What risk level is create_swimming_workout? +

create_swimming_workout is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_swimming_workout? +

Yes. Add a rate_limit block to the create_swimming_workout 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.

How do I block create_swimming_workout completely? +

Set action: deny in the PolicyLayer policy for create_swimming_workout. 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.

What MCP server provides create_swimming_workout? +

create_swimming_workout is provided by the Garmin MCP server (marcelohensantos/garmin-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.