imap_disconnect · Email MCP Server MCP: Risk & Policy

WHAT IT DOES

What imap_disconnect does on Email MCP Server

AI agents call imap_disconnect as a supporting operation in Email MCP Server workflows.

WHY IT NEEDS A POLICY

Why imap_disconnect needs a policy

This tool terminates a connection to an email server. It does not read, write, execute, delete data, or involve financial transactions. It is a session/connection management operation with minimal blast radius — at worst it interrupts an active session, which is reversible by reconnecting.

From the tool's definition Disconnect from an email account.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

imap_disconnect Rate-limited

imap_disconnect gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "imap_disconnect": {
      "limits": [
        {
          "counter": "imap_disconnect_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR 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_disconnect

What does the imap_disconnect tool do? +

Disconnect from an email account. It is categorised as a Other tool in the Email MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on imap_disconnect? +

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

imap_disconnect is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit imap_disconnect? +

Yes. Add a rate_limit block to the imap_disconnect 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_disconnect completely? +

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

imap_disconnect 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.