bitrix_comment_update · Email MCP Server MCP: Risk & Policy

WHAT IT DOES

What bitrix_comment_update does on Email MCP Server

AI agents use bitrix_comment_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.

WHY IT NEEDS A POLICY

Why bitrix_comment_update needs a policy

This tool modifies an existing comment, which is a reversible write operation. While comments can be deleted separately, updating them does not destroy data and can be undone by updating again.

From the tool's definition Tool name contains 'update' and description states 'Update a comment in Bitrix24', which modifies existing data reversibly.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

bitrix_comment_update Rate-limited

bitrix_comment_update stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "bitrix_comment_update": {
      "limits": [
        {
          "counter": "bitrix_comment_update_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Email MCP Server, so you can run agents against it safely.

FAQ

Questions about bitrix_comment_update

What does the bitrix_comment_update tool do? +

Update a comment in Bitrix24. 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.

How do I enforce a policy on bitrix_comment_update? +

Register the Email MCP Server MCP server in PolicyLayer and add a rule for bitrix_comment_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.

What risk level is bitrix_comment_update? +

bitrix_comment_update is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit bitrix_comment_update? +

Yes. Add a rate_limit block to the bitrix_comment_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.

How do I block bitrix_comment_update completely? +

Set action: deny in the PolicyLayer policy for bitrix_comment_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.

What MCP server provides bitrix_comment_update? +

bitrix_comment_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.