calendar_daily_agenda
AI agents call calendar_daily_agenda to retrieve information from Google Calendar MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Despite the empty description, the tool name and sibling context strongly suggest this retrieves daily agenda information (Read category). Severity is medium because calendar data may contain sensitive personal/professional scheduling information, meeting links, and private event details that could be misused if an agent over-shares or exfiltrates the data.
From the tool's definition Tool name 'calendar_daily_agenda' and server context indicate retrieval of calendar events for a specific day.
Attacks that exploit this kind of access
calendar_daily_agenda. It is categorised as a Read tool in the Google Calendar MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Google Calendar MCP Server MCP server in PolicyLayer and add a rule for calendar_daily_agenda: 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 Calendar MCP Server. Nothing to install.
calendar_daily_agenda 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 calendar_daily_agenda 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 calendar_daily_agenda. 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.
calendar_daily_agenda is provided by the Google Calendar MCP Server MCP server (murphy360/mcp_google_calendar). 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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