Get list of available task field names from Bitrix24
AI agents call bitrix_task_get_fields 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 queries and returns schema/field information about Bitrix24 tasks. It is a read-only operation that retrieves data without creating, modifying, deleting, or executing any actions. The low severity reflects minimal blast radius: an AI agent misusing this tool would only gain knowledge of available fields, posing no data loss, financial, or operational risk.
From the tool's definition Tool name includes 'get' and description states 'Get list of available task field names' — retrieves metadata with no modification or side effects.
Attacks that exploit this kind of access
Get list of available task field names from Bitrix24. 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_task_get_fields: 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_task_get_fields 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_task_get_fields 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_task_get_fields. 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_task_get_fields 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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