Find recent events similar to a search query for context
AI agents call get_recent_similar_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 queries and retrieves historical calendar events matching search criteria. It has no side effects—it does not create, modify, delete, or execute operations. The read-only nature and limited scope (searching past events) result in low blast radius if misused by an AI agent.
From the tool's definition Tool name 'get_recent_similar_events' and description 'Find recent events similar to a search query for context' indicate a retrieval operation with no modification or deletion.
Attacks that exploit this kind of access
Find recent events similar to a search query for context. 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_recent_similar_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_recent_similar_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_recent_similar_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_recent_similar_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_recent_similar_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.
Every MCP server has a record like this.
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