Check the organization-wide calendar external sharing policy via Policy API.
AI agents call check_calendar_external_sharing_policy to retrieve information from Google Workspace Compliance Audit Tool 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 the current state of calendar external sharing policy configuration without modifying, executing operations, or destroying data. It is a read-only audit function consistent with a compliance assessment tool that gathers compliance data. The low severity reflects minimal blast radius if misused — exposing policy details does not directly enable unauthorized actions or data loss.
From the tool's definition Tool description explicitly states 'Check the organization-wide calendar external sharing policy via Policy API' — the verb 'check' and context of an audit tool indicate data retrieval only.
Attacks that exploit this kind of access
Check the organization-wide calendar external sharing policy via Policy API. It is categorised as a Read tool in the Google Workspace Compliance Audit Tool MCP Server, which means it retrieves data without modifying state.
Register the Google Workspace Compliance Audit Tool MCP server in PolicyLayer and add a rule for check_calendar_external_sharing_policy: 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 Workspace Compliance Audit Tool. Nothing to install.
check_calendar_external_sharing_policy 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 check_calendar_external_sharing_policy 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 check_calendar_external_sharing_policy. 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.
check_calendar_external_sharing_policy is provided by the Google Workspace Compliance Audit Tool MCP server (sean-m-sweeney/googleworkspaceaudit). 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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