imap_create_folders_from_plan · Email MCP Server MCP

WHAT IT DOES

What imap_create_folders_from_plan does on Email MCP Server

AI agents use imap_create_folders_from_plan 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 imap_create_folders_from_plan needs a policy

Creating folders is a reversible write operation that modifies email account organization but does not delete data, execute arbitrary code, or move money. The blast radius is medium because it could clutter an email account with unwanted folders, but this can be undone by deleting the created folders. Confidence is high because the verb 'create' and the explicit description make the intent clear.

From the tool's definition Tool name contains 'create' and description states 'Create all folders defined in the sorting plan.' This is a data creation operation that modifies the email account structure by adding new folders.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

imap_create_folders_from_plan Rate-limited

imap_create_folders_from_plan 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": {
    "imap_create_folders_from_plan": {
      "limits": [
        {
          "counter": "imap_create_folders_from_plan_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 imap_create_folders_from_plan

What does the imap_create_folders_from_plan tool do? +

Create all folders defined in the sorting plan. 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 imap_create_folders_from_plan? +

Register the Email MCP Server MCP server in PolicyLayer and add a rule for imap_create_folders_from_plan: 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 imap_create_folders_from_plan? +

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

Can I rate-limit imap_create_folders_from_plan? +

Yes. Add a rate_limit block to the imap_create_folders_from_plan 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 imap_create_folders_from_plan completely? +

Set action: deny in the PolicyLayer policy for imap_create_folders_from_plan. 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 imap_create_folders_from_plan? +

imap_create_folders_from_plan 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.