List calendar events within a date range. Returns JSON by default (with timezoneInfo showing calendar, device, and resolved timezone). Set returnText=true for a human-readable agenda format. Pass deviceTimezone from the system prompt for fallback if calendar settings are unavailable.
AI agents call list_events to retrieve information from Apple Shortcuts without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves calendar event information within a specified date range. It performs a query operation that does not create, modify, delete, or execute any commands. The only parameters are date ranges and formatting options (returnText, deviceTimezone), which control output presentation, not data state. There are no destructive, write, execute, or financial implications.
From the tool's definition Tool description explicitly states 'List calendar events' and 'Returns JSON' or 'human-readable agenda format'.
Documented attack patterns abuse exactly the kind of access list_events gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Apple Shortcuts, and nothing reaches the server without passing your rules. This is the rule we recommend for list_events:
{
"version": "1",
"default": "deny",
"tools": {
"list_events": {}
}
}list_events is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List calendar events within a date range. Returns JSON by default (with timezoneInfo showing calendar, device, and resolved timezone). Set returnText=true for a human-readable agenda format. Pass deviceTimezone from the system prompt for fallback if calendar settings are unavailable. It is categorised as a Read tool in the Apple Shortcuts MCP Server, which means it retrieves data without modifying state.
Register the Apple Shortcuts MCP server in PolicyLayer and add a rule for list_events: 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 Shortcuts. Nothing to install.
list_events 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_events 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_events. 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_events is provided by the Apple Shortcuts MCP server (@mindstone/mcp-server-apple-shortcuts). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Apple Shortcuts, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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423 Apple Shortcuts tools catalogued and risk-classified — across an index of 43,000+ MCP servers.