move_reminder_done · MCP Apple Reminders MCP: Risk & Policy

WHAT IT DOES

What move_reminder_done does on MCP Apple Reminders

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

WHY IT NEEDS A POLICY

Why move_reminder_done needs a policy

This tool performs a reversible modification of reminder metadata (its list assignment) rather than deletion or destruction. While it changes data organization, the action is not destructive since reminders remain intact and can be moved elsewhere. It does not execute arbitrary code, access financial systems, or permanently delete data, making Write the appropriate category.

From the tool's definition The tool moves a reminder to a specific list ('Claude-Done workflow list'), which modifies the state and organization of reminder data. The description explicitly indicates a state change action: 'Move a reminder to'.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

move_reminder_done Rate-limited

move_reminder_done 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": {
    "move_reminder_done": {
      "limits": [
        {
          "counter": "move_reminder_done_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 MCP Apple Reminders, so you can run agents against it safely.

FAQ

Questions about move_reminder_done

What does the move_reminder_done tool do? +

Move a reminder to the Claude-Done workflow list. It is categorised as a Write tool in the MCP Apple Reminders MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on move_reminder_done? +

Register the MCP Apple Reminders MCP server in PolicyLayer and add a rule for move_reminder_done: 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 MCP Apple Reminders. Nothing to install.

What risk level is move_reminder_done? +

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

Can I rate-limit move_reminder_done? +

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

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

move_reminder_done is provided by the MCP Apple Reminders MCP server (rex/mcp-apple-reminders). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.