Get all reminder lists available in Apple Reminders
AI agents call list_reminder_lists to retrieve information from Apple Reminders MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves and enumerates existing reminder lists without creating, modifying, or deleting any data. It has no side effects and presents minimal risk even if misused by an AI agent, as it only exposes the list structure already accessible to the user.
From the tool's definition Tool name is 'list_reminder_lists' and description states 'Get all reminder lists' — retrieves/queries data with no modification capability.
Attacks that exploit this kind of access
Get all reminder lists available in Apple Reminders. It is categorised as a Read tool in the Apple Reminders MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Apple Reminders MCP Server MCP server in PolicyLayer and add a rule for list_reminder_lists: 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 Apple Reminders MCP Server. Nothing to install.
list_reminder_lists 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 list_reminder_lists 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 list_reminder_lists. 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.
list_reminder_lists is provided by the Apple Reminders MCP Server MCP server (madebydia/apple-mcp-server). 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.
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