Get events from a specific calendar within a date range, optionally filtered by search query
AI agents call get_calendar_events to retrieve information from MCP Calendar Assistant 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 data without creating, modifying, deleting, or executing any operations. It is purely informational and has no capability to alter system state. The blast radius of misuse is minimal—an AI could at worst read sensitive calendar entries, but cannot cause irreversible damage, execute code, or move money. This is unambiguously a Read operation.
From the tool's definition Tool name and description: 'Get events from a specific calendar within a date range, optionally filtered by search query' — a retrieval operation with no side effects.
Attacks that exploit this kind of access
Get events from a specific calendar within a date range, optionally filtered by search query. It is categorised as a Read tool in the MCP Calendar Assistant MCP Server, which means it retrieves data without modifying state.
Register the MCP Calendar Assistant MCP server in PolicyLayer and add a rule for get_calendar_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 MCP Calendar Assistant. Nothing to install.
get_calendar_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 get_calendar_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 get_calendar_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.
get_calendar_events is provided by the MCP Calendar Assistant MCP server (momer17/mailmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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