List events from a calendar. Returns a compact summary by default. Set detailed=True to get the full API response including all attendees, conference data, and metadata.
AI agents call list_calendar_events to retrieve information from Google Connections without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries calendar event data with no side effects. It returns information about events but does not create, modify, delete, or execute any actions. The ability to request detailed metadata does not change the fundamental read-only nature of the operation. This aligns with the 'Read' category for data retrieval operations.
From the tool's definition Tool name is 'list_calendar_events' and description states it 'List events from a calendar' with options to retrieve summaries or full API responses. No modification, deletion, or execution of external operations is performed.
Attacks that exploit this kind of access
List events from a calendar. Returns a compact summary by default. Set detailed=True to get the full API response including all attendees, conference data, and metadata. It is categorised as a Read tool in the Google Connections MCP Server, which means it retrieves data without modifying state.
Register the Google Connections MCP server in PolicyLayer and add a rule for list_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 Google Connections. Nothing to install.
list_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 list_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 list_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.
list_calendar_events is provided by the Google Connections MCP server (michaelzrork/google-connections-mcp). 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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