Update a list section
AI agents use bitrix_list_section_update to create or update resources in Email MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Email MCP Server environment.
The tool updates (modifies) an existing list section in Bitrix, which is a write operation. It does not delete or irreversibly destroy data, nor does it execute code or involve financial transactions. Severity is medium as misconfiguration or unintended updates could disrupt list organization but are generally reversible.
From the tool's definition "Update a list section" — the tool modifies an existing list section reversibly
Attacks that exploit this kind of access
Update a list section. It is categorised as a Write tool in the Email MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Email MCP Server MCP server in PolicyLayer and add a rule for bitrix_list_section_update: 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_section_update is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the bitrix_list_section_update 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_section_update. 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_section_update 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.
bitrix_list_section_update is one line of Email MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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