Get all employees from a specific department (with optional recursive search in child departments)
AI agents call bitrix_user_by_department to retrieve information from Email 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 organizational directory information (employees in a department). It performs a read-only query with no ability to modify, delete, or execute code. Even though it may return multiple records, the blast radius of misuse is low — an AI agent could enumerate staff but cannot harm systems, finances, or data integrity. Low severity assigned.
From the tool's definition Tool description explicitly states 'Get all employees from a specific department' — a query operation that retrieves data without modification or side effects.
Attacks that exploit this kind of access
Get all employees from a specific department (with optional recursive search in child departments). It is categorised as a Read tool in the Email MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Email MCP Server MCP server in PolicyLayer and add a rule for bitrix_user_by_department: 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 Email MCP Server. Nothing to install.
bitrix_user_by_department 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 bitrix_user_by_department 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 bitrix_user_by_department. 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.
bitrix_user_by_department is provided by the Email MCP Server MCP server (sventern/mcp_email). 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 →