list_reminders
AI agents call list_reminders to retrieve information from Apple Reminders without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs a data retrieval operation—listing reminders from the user's Apple Reminders app. This is a read-only action with no side effects, modification capability, or data deletion. The low severity reflects minimal blast radius if misused by an agent, as it only exposes existing reminder information the user owns.
From the tool's definition Tool name is 'list_reminders' and is part of a CRUD operations set for Apple Reminders. The 'list' prefix and sibling context (create, update, delete, list_completed) indicate this retrieves reminder data without modification.
Attacks that exploit this kind of access
list_reminders. It is categorised as a Read tool in the Apple Reminders MCP Server, which means it retrieves data without modifying state.
Register the Apple Reminders MCP server in PolicyLayer and add a rule for list_reminders: 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. Nothing to install.
list_reminders 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_reminders 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_reminders. 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_reminders is provided by the Apple Reminders MCP server (yzheeng/apple-reminders-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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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