tp_upload_workout_file · TrainingPeaks- MCP: Risk & Policy

WHAT IT DOES

What tp_upload_workout_file does on TrainingPeaks-MCP

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

WHY IT NEEDS A POLICY

Why tp_upload_workout_file needs a policy

The tool creates or attaches new workout file data to an existing workout record, which is a reversible modification operation. This is a Write action rather than Read (retrieves data), Execute (runs arbitrary commands), Destructive (irreversibly deletes), or Financial.

From the tool's definition Tool name contains 'upload' and description states 'Upload a workout file (.fit, .tcx, .gpx) to an existing workout', indicating creation or modification of data associated with a workout record.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

tp_upload_workout_file Rate-limited

tp_upload_workout_file 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": {
    "tp_upload_workout_file": {
      "limits": [
        {
          "counter": "tp_upload_workout_file_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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

FAQ

Questions about tp_upload_workout_file

What does the tp_upload_workout_file tool do? +

Upload a workout file (.fit, .tcx, .gpx) to an existing workout. It is categorised as a Write tool in the TrainingPeaks-MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on tp_upload_workout_file? +

Register the TrainingPeaks- MCP server in PolicyLayer and add a rule for tp_upload_workout_file: 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 TrainingPeaks-MCP. Nothing to install.

What risk level is tp_upload_workout_file? +

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

Can I rate-limit tp_upload_workout_file? +

Yes. Add a rate_limit block to the tp_upload_workout_file 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 tp_upload_workout_file completely? +

Set action: deny in the PolicyLayer policy for tp_upload_workout_file. 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 tp_upload_workout_file? +

tp_upload_workout_file is provided by the TrainingPeaks- MCP server (jamsusmaximus/trainingpeaks-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.