Get file URL from a list element field
AI agents call bitrix_list_element_file_url 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 a file URL from a list element field. It is a read-only operation that queries data without modifying, deleting, or executing any actions. The most severe capability it could enable is information disclosure of file URLs, which is a low-severity risk. The URL itself is not sensitive operational data like credentials or personal information — it's a reference to a file location.
From the tool's definition Tool name contains 'list' and 'get', description states 'Get file URL' — a retrieval operation with no side effects.
Attacks that exploit this kind of access
Get file URL from a list element field. 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_list_element_file_url: 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_list_element_file_url 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_list_element_file_url 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_list_element_file_url. 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_list_element_file_url 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.
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