List Cal.com bookings filtered by status. Use this to see scheduled meetings, check past calls, or find cancelled bookings. Returns booking details including attendee info, event type, and timestamps.
AI agents call cal_list_bookings to retrieve information from Access without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves calendar/booking data without modifying it. However, severity is elevated to 'medium' rather than 'low' because the returned data includes sensitive attendee information and scheduling details that could be misused for reconnaissance, social engineering, or privacy violations if an agent gains unauthorized access to the Cal.com account via this credential proxy.
From the tool's definition Tool name 'cal_list_bookings' and description 'List Cal.com bookings filtered by status' indicates a retrieval operation. The verb 'List' and phrase 'see scheduled meetings, check past calls' confirm read-only query semantics.
Attacks that exploit this kind of access
List Cal.com bookings filtered by status. Use this to see scheduled meetings, check past calls, or find cancelled bookings. Returns booking details including attendee info, event type, and timestamps. It is categorised as a Read tool in the Access MCP Server, which means it retrieves data without modifying state.
Register the Access MCP server in PolicyLayer and add a rule for cal_list_bookings: 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 Access. Nothing to install.
cal_list_bookings 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 cal_list_bookings 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 cal_list_bookings. 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.
cal_list_bookings is provided by the Access MCP server (scottpedia0/access). 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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