AI agents call getUsers to retrieve information from Bitrix24 MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears to retrieve user data from Bitrix24 CRM with no indication of modification, deletion, or execution capabilities. The 'get' prefix is a standard Read operation pattern. Even though the description is empty (lowering confidence slightly), the naming and sibling context strongly suggest this is a simple data retrieval tool with minimal blast radius.
From the tool's definition Tool name 'getUsers' indicates a retrieval operation. The description is empty, but the naming convention and the context of sibling tools (getContact, getContacts, getActivities, getActivity) establish a consistent pattern of Read operations on this server.
Documented attack patterns abuse exactly the kind of access getUsers gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Bitrix24 MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for getUsers:
{
"version": "1",
"default": "deny",
"tools": {
"getUsers": {}
}
}getUsers is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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getUsers. It is categorised as a Read tool in the Bitrix24 MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Bitrix24 MCP Server MCP server in PolicyLayer and add a rule for getUsers: 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 Bitrix24 MCP Server. Nothing to install.
getUsers 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 getUsers 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 getUsers. 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.
getUsers is provided by the Bitrix24 MCP Server MCP server (oneatdrt/bitrix24_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Bitrix24 MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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25 Bitrix24 MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.