Get appointments for a specific date range
AI agents call get_appointments 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.
This tool retrieves or queries existing appointment data without creating, modifying, deleting, or executing any operations. It has no side effects and no ability to alter state. While the calendar may contain personal health information (dental appointments), the read-only nature and limited blast radius from misuse places this in the low severity category.
From the tool's definition Tool description states 'Get appointments for a specific date range' - a retrieval operation with no modification or side effects. The verb 'Get' and context of querying appointment data confirms this is a read-only action.
Attacks that exploit this kind of access
Get appointments for a specific date range. 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 get_appointments: 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.
get_appointments 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_appointments 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_appointments. 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_appointments is provided by the Google Calendar MCP Server MCP server (roelovanheeren/final-gc-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.
Teams ship this data inside their own products. See what a licence covers →